Publications
Selected publications
- The bovine foot skin microbiota is associated with host genotype and the development of infectious digital dermatitis lesions (Journal article - 2023)
- Normal milk microbiome is reestablished following experimental infection with Escherichia coli independent of intramammary antibiotic treatment with a third-generation cephalosporin in bovines (Journal article - 2017)
- A Cross-Sectional Study Into the Prevalence of Dairy Cattle Lameness and Associated Herd-Level Risk Factors in England and Wales (Journal article - 2018)
- Prepartum and Postpartum Rumen Fluid Microbiomes: Characterization and Correlation with Production Traits in Dairy Cows (Journal article - 2015)
- Association between a genetic index for lameness resistance and the incidence of claw horn lesions in Holstein cows (Journal article - 2022)
2024
A mixed method approach to analysing patterns and drivers of antibiotic use and resistance in beef farms in Argentina
Bedford, C., Galotta, M. L., Oikonomou, G., de Yaniz, G., Nardello, M., Sánchez Bruni, S., & Davies, P. (2024). A mixed method approach to analysing patterns and drivers of antibiotic use and resistance in beef farms in Argentina. Frontiers in Veterinary Science, 11. doi:10.3389/fvets.2024.1454032
Identification of DNA methylation markers for age and Bovine Respiratory Disease in dairy cattle: A pilot study based on Reduced Representation Bisulfite Sequencing.
Attree, E., Griffiths, B., Panchal, K., Xia, D., Werling, D., Banos, G., . . . Psifidi, A. (2024). Identification of DNA methylation markers for age and Bovine Respiratory Disease in dairy cattle: A pilot study based on Reduced Representation Bisulfite Sequencing.. Communications biology, 7(1), 1251. doi:10.1038/s42003-024-06925-9
Setting the boundaries-an approach to estimate the Loss Gap in dairy cattle.
Sucena Afonso, J., Gilbert, W., Oikonomou, G., & Rushton, J. (2024). Setting the boundaries-an approach to estimate the Loss Gap in dairy cattle.. PloS one, 19(6), e0306314. doi:10.1371/journal.pone.0306314
Variation in protein metabolism biomarkers during the transition period and associations with health, colostrum quality, reproduction, and milk production traits in Holstein cows
Siachos, N., Tsiamadis, V., Oikonomou, G., Panousis, N., Banos, G., Sampsonidis, I., . . . `Valergakis, G. (n.d.). Variation in protein metabolism biomarkers during the transition period and associations with health, colostrum quality, reproduction, and milk production traits in Holstein cows. Journal of Dairy Science. doi:10.3168/jds.2023-24168
A prospective cohort study of factors associated with the digital cushion thickness in dairy cattle.
Griffiths, B. E., Barden, M., Anagnostopoulos, A., Wilson, J. P., Lamprou, E., Tulley, W., . . . Oikonomou, G. (2024). A prospective cohort study of factors associated with the digital cushion thickness in dairy cattle.. Journal of dairy science, S0022-0302(24)00817-8. doi:10.3168/jds.2023-24563
The embryo-derived protein PDI is highly conserved among placental mammals and alters the function of the endometrium in species with different implantation strategies
Automated dairy cattle lameness detection utilizing the power of artificial intelligence; current status quo and future research opportunities.
Siachos, N., Neary, J. M., Smith, R. F., & Oikonomou, G. (2024). Automated dairy cattle lameness detection utilizing the power of artificial intelligence; current status quo and future research opportunities.. Veterinary journal (London, England : 1997), 304, 106091. doi:10.1016/j.tvjl.2024.106091
Development and validation of a fully automated 2D imaging system generating body condition scores for dairy cows using machine learning
Siachos, N., Lennox, M., Anagnostopoulos, A., Griffiths, B., Neary, J., Smith, R., & Oikonomou, G. (n.d.). Development and validation of a fully automated 2D imaging system generating body condition scores for dairy cows using machine learning. Journal of Dairy Science. doi:10.3168/jds.2023-23894
118. Development and validation of a fully automated 2D imaging system generating body condition scores for dairy cows using machine learning
Siachos, N., Lennox, M., Anagnostopoulos, A., Griffiths, B., Neary, J., Smith, R., & Oikonomou, G. (2024). 118. Development and validation of a fully automated 2D imaging system generating body condition scores for dairy cows using machine learning. Animal - science proceedings, 15(1), 131-132. doi:10.1016/j.anscip.2024.02.119
119. Evaluation of a fully automated video surveillance system for cattle lameness detection using machine learning
Siachos, N., Anagnostopoulos, A., Griffiths, B., Neary, J., Smith, R., & Oikonomou, G. (2024). 119. Evaluation of a fully automated video surveillance system for cattle lameness detection using machine learning. Animal - science proceedings, 15(1), 133. doi:10.1016/j.anscip.2024.02.120
136. The effect of dry cow footbaths on the prevalence of digital dermatitis post calving; a randomised controlled trial
Anagnostopoulos, A., Siachos, N., Barden, M., Gillespie, A., Evans, N., & Oikonomou, G. (2024). 136. The effect of dry cow footbaths on the prevalence of digital dermatitis post calving; a randomised controlled trial. Animal - science proceedings, 15(1), 151-152. doi:10.1016/j.anscip.2024.02.137
Progression of the faecal microbiome in preweaning dairy calves that develop cryptosporidiosis
Association between a genetic index for digital dermatitis resistance and the presence of digital dermatitis, heel horn erosion and interdigital hyperplasia in Holstein cows
Anagnostopoulos, A., Barden, M., Griffiths, B. E., Bedford, C., Winters, M., Li, B., . . . Oikonomou, G. (2024). Association between a genetic index for digital dermatitis resistance and the presence of digital dermatitis, heel horn erosion and interdigital hyperplasia in Holstein cows. Journal of Dairy Science. doi:10.3168/jds.2023-24136
Identification of methylation markers for age and Bovine Respiratory Disease in dairy cattle
Genetic selection to reduce lameness in dairy cattle
Barden, M., Berry, D. P., Winters, M., & Oikonomou, G. (2024). Genetic selection to reduce lameness in dairy cattle. Livestock, 29(1), 22-28. doi:10.12968/live.2024.29.1.22
2023
Identification of methylation markers for age and Bovine Respiratory Disease in dairy cattle
Comparing genetic indexes for reducing lameness in dairy cows.
Barden, M., Anagnostopoulos, A., Griffiths, B. E., Bedford, C., Oikonomou, G., Winters, M., . . . Psifidi, A. (2023). Comparing genetic indexes for reducing lameness in dairy cows.. The Veterinary record, 193(10), 416-417. doi:10.1002/vetr.3698
A prospective cohort study examining the association of claw anatomy and sole temperature with the development of claw horn disruption lesions in dairy cattle
Griffiths, B. E., Barden, M., Anagnostopoulos, A., Bedford, C., Higgins, H., Psifidi, A., . . . Oikonomou, G. (2023). A prospective cohort study examining the association of claw anatomy and sole temperature with the development of claw horn disruption lesions in dairy cattle. Journal of Dairy Science. doi:10.3168/jds.2023-23965
Specific pathway abundances in the neonatal calf faecal microbiome are associated with susceptibility to Cryptosporidium parvum infection: a metagenomic analysis
Hares, M. F., Griffiths, B. E., Johnson, F., Nelson, C., Haldenby, S., Stewart, C. J., . . . Coombes, J. L. (n.d.). Specific pathway abundances in the neonatal calf faecal microbiome are associated with susceptibility to Cryptosporidium parvum infection: a metagenomic analysis. Animal Microbiome, 5(1). doi:10.1186/s42523-023-00265-5
Specific pathway abundances in the neonatal calf faecal microbiome are associated with susceptibility to Cryptosporidium parvum infection: A metagenomic analysis
Serum 1H nuclear magnetic resonance–based metabolomics of sole lesion development in Holstein cows
Barden, M., Phelan, M. M., Hyde, R., Anagnostopoulos, A., Griffiths, B. E., Bedford, C., . . . Oikonomou, G. (2023). Serum 1H nuclear magnetic resonance–based metabolomics of sole lesion development in Holstein cows. Journal of dairy science, S0022-0302(23)00097-8. doi:10.3168/jds.2022-22681
Single-step genome-wide association analyses of claw horn lesions in Holstein cattle using linear and threshold models.
Li, B., Barden, M., Kapsona, V., Sanchez-Molano, E., Anagnostopoulos, A., Griffiths, B., . . . Banos, G. (2023). Single-step genome-wide association analyses of claw horn lesions in Holstein cattle using linear and threshold models.. Genetics Selection Evolution. doi:10.1186/s12711-023-00784-4
Genetic parameters of sole lesion recovery in Holstein cows
Barden, M., Anagnostopoulos, A., Griffiths, B. E., Li, B., Bedford, C., Watson, C., . . . Oikonomou, G. (2023). Genetic parameters of sole lesion recovery in Holstein cows. Journal of Dairy Science. doi:10.3168/jds.2022-22064
The bovine foot skin microbiota is associated with host genotype and the development of infectious digital dermatitis lesions
Bay, V., Gillespie, A., Ganda, E., Evans, N. J., Carter, S. D., Lenzi, L., . . . Oikonomou, G. (n.d.). The bovine foot skin microbiota is associated with host genotype and the development of infectious digital dermatitis lesions. Microbiome, 11(1). doi:10.1186/s40168-022-01440-7
Initial validation of an intelligent video surveillance system for automatic detection of dairy cattle lameness
Anagnostopoulos, A., Griffiths, B. E., Siachos, N., Neary, J., Smith, R. F., & Oikonomou, G. (2023). Initial validation of an intelligent video surveillance system for automatic detection of dairy cattle lameness. FRONTIERS IN VETERINARY SCIENCE, 10. doi:10.3389/fvets.2023.1111057
2022
555. Transcriptomic characterisation of claw horn disruption lesions in the peripheral blood leucocytes of dairy cattle
Dai, X., Xia, D., Griffiths, B. E., Anagnostopoulos, A., Barden, M., Li, B., . . . Psifidi, A. (2022). 555. Transcriptomic characterisation of claw horn disruption lesions in the peripheral blood leucocytes of dairy cattle. In Proceedings of 12th World Congress on Genetics Applied to Livestock Production (WCGALP) (pp. 2301-2304). Wageningen Academic Publishers. doi:10.3920/978-90-8686-940-4_555
674. Understanding the genetic architecture of claw horn lesions in different lactation stages in Holstein cattle
Li, B., Barden, M., Kapsona, V., Molano, E. S., Anagnostopoulos, A., Griffiths, B. E., . . . Banos, G. (2022). 674. Understanding the genetic architecture of claw horn lesions in different lactation stages in Holstein cattle. In Proceedings of 12th World Congress on Genetics Applied to Livestock Production (WCGALP) (pp. 2782-2785). Wageningen Academic Publishers. doi:10.3920/978-90-8686-940-4_674
Skeletal muscle and adipose tissue reserves and mobilisation in transition Holstein cows: Part 1 Biological variation and affecting factors
Siachos, N., Oikonomou, G., Panousis, N., Tsiamadis, V., Banos, G., Arsenos, G., & Valergakis, G. E. (2022). Skeletal muscle and adipose tissue reserves and mobilisation in transition Holstein cows: Part 1 Biological variation and affecting factors. ANIMAL, 16(9). doi:10.1016/j.animal.2022.100627
Skeletal muscle and adipose tissue reserves and mobilisation in transition Holstein cows: Part 2 association with postpartum health, reproductive performance and milk production
Siachos, N., Oikonomou, G., Panousis, N., Tsiamadis, V., Banos, G., Arsenos, G., & Valergakis, G. E. (2022). Skeletal muscle and adipose tissue reserves and mobilisation in transition Holstein cows: Part 2 association with postpartum health, reproductive performance and milk production. ANIMAL, 16(9). doi:10.1016/j.animal.2022.100626
Genetic parameters and genome-wide association study of digital cushion thickness in Holstein cows
Barden, M., Li, B., Griffiths, B. E., Anagnostopoulos, A., Bedford, C., Psifidi, A., . . . Oikonomou, G. (2022). Genetic parameters and genome-wide association study of digital cushion thickness in Holstein cows. Journal of Dairy Science. doi:10.3168/jds.2022-22035
A Prospective Cohort Study on the Periparturient Muscle Tissue Mobilisation in High Producing Dairy Cows
Hatfield, C., Tulley, W., Hall, R., Griffiths, B. E., Foskolos, A., Smith, R. F., & Oikonomou, G. (2022). A Prospective Cohort Study on the Periparturient Muscle Tissue Mobilisation in High Producing Dairy Cows. ANIMALS, 12(14). doi:10.3390/ani12141772
Dairy cattle lameness: a roundtable discussion
Bell, N., Bacon, D., Craven, E., Crowe, S., Newsome, R., Oikonomou, G., . . . Wilson, J. (2022). Dairy cattle lameness: a roundtable discussion. Livestock, 27(Sup3), S1-S11. doi:10.12968/live.2022.27.s1.115
Prospective cohort study of the association between early lactation mastitis and the presence of sole ulcers in dairy cows
Watson, C., Barden, M., Griffiths, B. E., Anagnostopoulos, A., Higgins, H. M., Bedford, C., . . . Oikonomou, G. (n.d.). Prospective cohort study of the association between early lactation mastitis and the presence of sole ulcers in dairy cows. Veterinary Record. doi:10.1002/vetr.1387
Association between a genetic index for lameness resistance and the incidence of claw horn lesions in Holstein cows
Barden, M., Anagnostopoulos, A., Griffiths, B. E., Bedford, C., Winters, M., Li, B., . . . Oikonomou, G. (2022). Association between a genetic index for lameness resistance and the incidence of claw horn lesions in Holstein cows. Veterinary Record. doi:10.1002/vetr.1632
Evaluation of the use of ketoprofen for the treatment of digital dermatitis in dairy cattle: A randomised, positive controlled, clinical trial
Kasiora, K., Anagnostopoulos, A., Bedford, C., Menka, T., Barden, M., Griffiths, B. E., . . . Oikonomou, G. (2022). Evaluation of the use of ketoprofen for the treatment of digital dermatitis in dairy cattle: A randomised, positive controlled, clinical trial. VETERINARY RECORD, 190(6). doi:10.1002/vetr.977
Protein metabolism biochemistry during transition is associated with reproductive performance in dairy cows
Siachos, N., Oikonomou, G., Panousis, N., Tsiamadisl, V., & Valergakis, G. (2022). Protein metabolism biochemistry during transition is associated with reproductive performance in dairy cows. In REPRODUCTION IN DOMESTIC ANIMALS Vol. 57 (pp. 103). Retrieved from https://www.webofscience.com/
2021
Diagnosis of Bovine Digital Dermatitis: Exploring the Usefulness of Indirect ELISA
Afonso, J. S., Oikonomou, G., Carter, S., Clough, H. E., Griffiths, B. E., & Rushton, J. (2021). Diagnosis of Bovine Digital Dermatitis: Exploring the Usefulness of Indirect ELISA. FRONTIERS IN VETERINARY SCIENCE, 8. doi:10.3389/fvets.2021.728691
The Bovine Foot Skin Microbiota is Associated with Host Genotype and the Development of Infectious Digital Dermatitis Lesions
A study on the use of thermal imaging as a diagnostic tool for the detection of digital dermatitis in dairy cattle
Anagnostopoulos, A., Barden, M., Tulloch, J., Williams, K., Griffiths, B., Bedford, C., . . . Oikonomou, G. (2021). A study on the use of thermal imaging as a diagnostic tool for the detection of digital dermatitis in dairy cattle. Journal of Dairy Science. doi:10.3168/jds.2021-20178
Association of Body Condition Score with Ultrasound Measurements of Backfat and Longissimus Dorsi Muscle Thickness in Periparturient Holstein Cows
Siachos, N., Oikonomou, G., Panousis, N., Banos, G., Arsenos, G., & Valergakis, G. E. (n.d.). Association of Body Condition Score with Ultrasound Measurements of Backfat and Longissimus Dorsi Muscle Thickness in Periparturient Holstein Cows. Animals, 11(3), 818. doi:10.3390/ani11030818
The dysbiosis of ovine foot microbiome during the development and treatment of contagious ovine digital dermatitis
Duncan, J. S., Angell, J. W., Richards, P., Lenzi, L., Staton, G. J., Grove-White, D., . . . Evans, N. J. (2021). The dysbiosis of ovine foot microbiome during the development and treatment of contagious ovine digital dermatitis. ANIMAL MICROBIOME, 3(1). doi:10.1186/s42523-021-00078-4
2020
Age at first calving in UK Jersey cattle and its associations with first lactation 305-day milk yield, lifetime daily milk yield, calving interval and survival to second lactation
Boothby, F., Grove-White, D., Oikonomou, G., & Oultram, J. (2020). Age at first calving in UK Jersey cattle and its associations with first lactation 305-day milk yield, lifetime daily milk yield, calving interval and survival to second lactation. The Veterinary Record, 187(12), 491. doi:10.1136/vr.105993
Maternal influences on oral and faecal microbiota maturation in neonatal calves in beef and dairy production systems
Barden, M., Richards-Rios, P., Ganda, E., Lenzi, L., Eccles, R., Neary, J., . . . Oikonomou, G. (2020). Maternal influences on oral and faecal microbiota maturation in neonatal calves in beef and dairy production systems. Animal Microbiome, 2. doi:10.1186/s42523-020-00049-1
Profiling Detection and Classification of Lameness Methods in British Dairy Cattle Research: A Systematic Review and Meta-Analysis
Afonso, J., Bruce, M., Keating, P., Raboisson, D., Clough, H., Oikonomou, G., & Rushton, J. (n.d.). Profiling Detection and Classification of Lameness Methods in British Dairy Cattle Research: A Systematic Review and Meta-Analysis. Frontiers in Veterinary Science, 7. doi:10.3389/fvets.2020.00542
The role of CAPG in molecular communication between the embryo and the uterine endometrium: Is its function conserved in species with different implantation strategies?
Tinning, H., Taylor, A., Wang, D., Constantinides, B., Sutton, R., Oikonomou, G., . . . Forde, N. (n.d.). The role of CAPG in molecular communication between the embryo and the uterine endometrium: Is its function conserved in species with different implantation strategies?. The FASEB Journal. doi:10.1096/fj.202000882RR
A Prospective Cohort Study on the Development of Claw Horn Disruption Lesions in Dairy Cattle; Furthering our Understanding of the Role of the Digital Cushion
Griffiths, B. E., Mahen, P. J., Hall, R., Kakatsidis, N., Britten, N., Long, K., . . . Oikonomou, G. (2020). A Prospective Cohort Study on the Development of Claw Horn Disruption Lesions in Dairy Cattle; Furthering our Understanding of the Role of the Digital Cushion. FRONTIERS IN VETERINARY SCIENCE, 7. doi:10.3389/fvets.2020.00440
Maternal influences on oral and faecal microbiota maturation in neonatal calves in beef and dairy production systems
Maternal influences on oral and faecal microbiota maturation in neonatal calves in beef and dairy production systems
Milk Microbiota: What Are We Exactly Talking About?
Oikonomou, G., Addis, M. F., Chassard, C., Nader-Macias, M. E. F., Grant, I., Delbès, C., . . . Even, S. (2020). Milk Microbiota: What Are We Exactly Talking About?. Frontiers in Microbiology, 11. doi:10.3389/fmicb.2020.00060
2019
Quantitative Trait Loci Mapping for Lameness Associated Phenotypes in Holstein–Friesian Dairy Cattle
Sanchez-Molano, E., Bay, V., Smith, R., Oikonomou, G., & Banos, G. (2019). Quantitative Trait Loci Mapping for Lameness Associated Phenotypes in Holstein–Friesian Dairy Cattle. Frontiers in Genetics, 10. doi:10.3389/fgene.2019.00926
A description of interestrus and interservice intervals and associated fertility in 16 United Kingdom dairy herds
Greenham, T., Oikonomou, G., & Grove-White, D. H. (2019). A description of interestrus and interservice intervals and associated fertility in 16 United Kingdom dairy herds. JOURNAL OF DAIRY SCIENCE, 102(1), 824-832. doi:10.3168/jds.2018-14755
Effect of feeding grape seed <i>Proanthocyanidin</i> extract on production performance, metabolic and anti-oxidative status of dairy cattle
Huang, Y., Oikonomou, G., Hu, J., Li, Y., Du, X., Du, Y., . . . He, B. (2019). Effect of feeding grape seed <i>Proanthocyanidin</i> extract on production performance, metabolic and anti-oxidative status of dairy cattle. ARQUIVO BRASILEIRO DE MEDICINA VETERINARIA E ZOOTECNIA, 71(4), 1207-1216. doi:10.1590/1678-4162-10957
2018
16S rRNA amplicon sequencing reveals a polymicrobial nature of complicated claw horn disruption lesions and interdigital phlegmon in dairy cattle
Bay, V., Griffiths, B., Carter, S., Evans, N. J., Lenzi, L., Bicalho, R., & Oikonomou, G. (2018). 16S rRNA amplicon sequencing reveals a polymicrobial nature of complicated claw horn disruption lesions and interdigital phlegmon in dairy cattle. Scientific Reports, 8. doi:10.1038/s41598-018-33993-9
Associations between age at first calving and subsequent lactation performance in UK Holstein and Holstein-Friesian dairy cows
Neil, E., Amy, C., Peter, C., Henry, R., Robert, S., & Oikonomou, G. (2018). Associations between age at first calving and subsequent lactation performance in UK Holstein and Holstein-Friesian dairy cows. PLoS One, 13(6). doi:10.1371/journal.pone.0197764
Associations between age at first calving and subsequent performance in UK Holstein and Holstein-Friesian dairy heifers
Eastham, N. T., Coates, A., Cripps, P., Richardson, H., Smith, R., & Oikonomou, G. (2017). Associations between age at first calving and subsequent performance in UK Holstein and Holstein-Friesian dairy heifers. In CATTLE PRACTICE Vol. 25 (pp. 173-174). Retrieved from https://www.webofscience.com/
A Cross-Sectional Study Into the Prevalence of Dairy Cattle Lameness and Associated Herd-Level Risk Factors in England and Wales
Griffiths, B. E., White, D. G., & Oikonomou, G. (2018). A Cross-Sectional Study Into the Prevalence of Dairy Cattle Lameness and Associated Herd-Level Risk Factors in England and Wales. FRONTIERS IN VETERINARY SCIENCE, 5. doi:10.3389/fvets.2018.00065
Are daily post-partum checks a useful management tool for dairy herds in the UK?
Hall, R., & Oikonomou, G. (2018). Are daily post-partum checks a useful management tool for dairy herds in the UK?. CATTLE PRACTICE, 26, 78. Retrieved from https://www.webofscience.com/
Biosecurity measures on cattle farms
VALERGAKIS, G. E., ARSENOS, G., & OIKONOMOU, G. (n.d.). Biosecurity measures on cattle farms. Journal of the Hellenic Veterinary Medical Society, 59(1), 9. doi:10.12681/jhvms.14943
Periparturient changes in the thickness of the digital cushion in dairy cows; associations with claw horn disruption lesions
Griffiths, B., Mahen, P., Hall, R., Kakatsidis, N., Britten, N., Robinson, L., . . . Oikonomou, G. (2018). Periparturient changes in the thickness of the digital cushion in dairy cows; associations with claw horn disruption lesions. CATTLE PRACTICE, 26, 81. Retrieved from https://www.webofscience.com/
2017
Evaluation of a 7 day fixed timed artificial insemination protocol for UK dairy heifers. Is a second insemination beneficial?
Walsh, J. P., Coates, A., Lima, F., Smith, R., & Oikonomou, G. (2017). Evaluation of a 7 day fixed timed artificial insemination protocol for UK dairy heifers. Is a second insemination beneficial?. In CATTLE PRACTICE Vol. 25 (pp. 160-161). Retrieved from https://www.webofscience.com/
Milk microbiome and bacterial load following dry cow therapy without antibiotics in dairy cows with healthy mammary gland
Bonsaglia, E. C. R., Gomes, M. S., Canisso, I. F., Zhou, Z., Lima, S. F., Rall, V. L. M., . . . Lima, F. S. (2017). Milk microbiome and bacterial load following dry cow therapy without antibiotics in dairy cows with healthy mammary gland. SCIENTIFIC REPORTS, 7. doi:10.1038/s41598-017-08790-5
Normal milk microbiome is reestablished following experimental infection with Escherichia coli independent of intramammary antibiotic treatment with a third-generation cephalosporin in bovines
Ganda, E. K., Gaeta, N., Sipka, A., Pomeroy, B., Oikonomou, G., Schukken, Y. H., & Bicalho, R. C. (2017). Normal milk microbiome is reestablished following experimental infection with Escherichia coli independent of intramammary antibiotic treatment with a third-generation cephalosporin in bovines. Microbiome, 5, 17 pages. doi:10.1186/s40168-017-0291-5
Moving on from antibiotic foot baths for the control of digital dermatitis
Bell, N. J., Atkinson, O., Blowey, R., Cobner, A., Green, M., Huxley, J. N., . . . Willshire, J. (2017). Moving on from antibiotic foot baths for the control of digital dermatitis. VETERINARY RECORD, 181(2). doi:10.1136/vr.j3241
The bovine colostrum microbiome and its association with clinical mastitis
Lima, S. F., Teixeira, A. G. V., Lima, F. S., Ganda, E. K., Higgins, C. H., Oikonomou, G., & Bicalho, R. C. (2017). The bovine colostrum microbiome and its association with clinical mastitis. JOURNAL OF DAIRY SCIENCE, 100(4), 3031-3042. doi:10.3168/jds.2016-11604
A Metataxonomic Approach Could Be Considered for Cattle Clinical Mastitis Diagnostics
Oultram, J. W. H., Ganda, E. K., Boulding, S. C., Bicalho, R. C., & Oikonomou, G. (2017). A Metataxonomic Approach Could Be Considered for Cattle Clinical Mastitis Diagnostics. FRONTIERS IN VETERINARY SCIENCE, 4. doi:10.3389/fvets.2017.00036
Deciphering upper respiratory tract microbiota complexity in healthy calves and calves that develop respiratory disease using shotgun metagenomics
Gaeta, N. C., Lima, S. F., Teixeira, A. G., Ganda, E. K., Oikonomou, G., Gregory, L., & Bicalho, R. C. (2017). Deciphering upper respiratory tract microbiota complexity in healthy calves and calves that develop respiratory disease using shotgun metagenomics. JOURNAL OF DAIRY SCIENCE, 100(2), 1445-1458. doi:10.3168/jds.2016-11522
An epidemiological study into the prevalence of dairy cattle lameness and associated risk factors in England and Wales
Griffiths, B. E., & Oikonomou, G. (2017). An epidemiological study into the prevalence of dairy cattle lameness and associated risk factors in England and Wales. In CATTLE PRACTICE Vol. 25 (pp. 257-258). Retrieved from https://www.webofscience.com/
Deciphering the bovine milk microbiome
Oikonomou, G. (2017). Deciphering the bovine milk microbiome. In CATTLE PRACTICE Vol. 25 (pp. 169-170). Retrieved from https://www.webofscience.com/
Randomised clinical trial evaluating the effect of different timing and number of fixed timed artificial inseminations, following a seven-day progesterone-based protocol, on pregnancy outcomes in UK dairy heifers
Walsh, J. P., Coates, A., Lima, F., Smith, R., & Oikonomou, G. (2017). Randomised clinical trial evaluating the effect of different timing and number of fixed timed artificial inseminations, following a seven-day progesterone-based protocol, on pregnancy outcomes in UK dairy heifers. VETERINARY RECORD, 181(22). doi:10.1136/vr.104369
Treatment of purulent vaginal discharge in dairy cattle using two different types of prostaglandin
McKinstry, A. W. J., Smith, R., & Oikonomou, G. (2017). Treatment of purulent vaginal discharge in dairy cattle using two different types of prostaglandin. In CATTLE PRACTICE Vol. 25 (pp. 162-163). Retrieved from https://www.webofscience.com/
2016
Probiotic compositions and methods
Oikonomou, G., Bicalho, R. C., & Teixeira, A. G. V. (n.d.). US 20150044172 A1, Probiotic compositions and methods.
The effect of subclinical ketosis on activity at estrus and reproductive performance in dairy cattle
Rutherford, A. J., Oikonomou, G., & Smith, R. F. (2016). The effect of subclinical ketosis on activity at estrus and reproductive performance in dairy cattle. JOURNAL OF DAIRY SCIENCE, 99(6), 4808-4815. doi:10.3168/jds.2015-10154
The bovine milk microbiota: insights and perspectives from -omics studies
Addis, M. F., Tanca, A., Uzzau, S., Oikonomou, G., Bicalho, R. C., & Moroni, P. (2016). The bovine milk microbiota: insights and perspectives from -omics studies. Molecular BioSystems. doi:10.1039/C6MB00217J
Lameness Prevalence and Risk Factors in Large Dairy Farms in Upstate New York. Model Development for the Prediction of Claw Horn Disruption Lesions
Foditsch, C., Oikonomou, G., Machado, V. S., Bicalho, M. L., Ganda, E. K., Lima, S. F., . . . Bicalho, R. C. (2016). Lameness Prevalence and Risk Factors in Large Dairy Farms in Upstate New York. Model Development for the Prediction of Claw Horn Disruption Lesions. PLOS ONE, 11(1). doi:10.1371/journal.pone.0146718
2015
Effects of antibiotics (oxytetracycline, florfenicol or tulathromycin) on neonatal calves' faecal microbial diversity
Oultram, J., Phipps, E., Teixeira, A. G. V., Foditsch, C., Bicalho, M. L., Machado, V. S., . . . Oikonomou, G. (2015). Effects of antibiotics (oxytetracycline, florfenicol or tulathromycin) on neonatal calves' faecal microbial diversity. VETERINARY RECORD, 177(23). doi:10.1136/vr.103320
The effect of intrauterine infusion of dextrose on clinical endometritis cure rate and reproductive performance of dairy cows
Machado, V. S., Oikonomou, G., Ganda, E. K., Stephens, L., Milhomem, M., Freitas, G. L., . . . Bicalho, R. C. (2015). The effect of intrauterine infusion of dextrose on clinical endometritis cure rate and reproductive performance of dairy cows. JOURNAL OF DAIRY SCIENCE, 98(6), 3849-3858. doi:10.3168/jds.2014-9046
Prepartum and Postpartum Rumen Fluid Microbiomes: Characterization and Correlation with Production Traits in Dairy Cows
Lima, F., Oikonomou, G., Lima, S., Bicalho, M., Ganda, E., Oliveria, J. C. D., . . . Bicalho, R. (2015). Prepartum and Postpartum Rumen Fluid Microbiomes: Characterization and Correlation with Production Traits in Dairy Cows. Applied and Environmental Microbiology, 81(04), 1327-1337. doi:10.1128/AEM.03138-14
The impact of subclinical ketosis on activity at oestrus in dairy cattle
Rutherford, A., Smith, R., & Oikonomou, G. (2015). The impact of subclinical ketosis on activity at oestrus in dairy cattle. In CATTLE PRACTICE Vol. 23 (pp. 219). Retrieved from https://www.webofscience.com/
The use of next generation sequencing of the 16s rRNA gene in dairy cattle mastitis diagnostics
Oikonomou, G., Boulding, S., Ganda, E. K., & Bicalho, R. C. (2015). The use of next generation sequencing of the 16s rRNA gene in dairy cattle mastitis diagnostics. In CATTLE PRACTICE Vol. 23 (pp. 206). Retrieved from https://www.webofscience.com/
2014
Short-term effect of antibiotics on neonatal calves' faecal microbial diversity
Phipps, E., Oultram, J., Teixeira, A. G. V., Foditsch, C., Bicalho, M. L., Machado, V. S., . . . Oikonomou, G. (2014). Short-term effect of antibiotics on neonatal calves' faecal microbial diversity. CATTLE PRACTICE, 22, 151. Retrieved from https://www.webofscience.com/
Subcutaneous immunization with inactivated bacterial components and purified protein of Escherichia coli, Fusobacterium necrophorum and Trueperella pyogenes prevents puerperal metritis in Holstein dairy cows.
Machado, V. S., Bicalho, M. L. D. S., Meira Junior, E. B. D. S., Rossi, R., Ribeiro, B. L., Lima, S., . . . Bicalho, R. C. (2014). Subcutaneous immunization with inactivated bacterial components and purified protein of Escherichia coli, Fusobacterium necrophorum and Trueperella pyogenes prevents puerperal metritis in Holstein dairy cows.. PloS one, 9(3), e91734. doi:10.1371/journal.pone.0091734
Microbiota of cow's milk; Distinguishing healthy, sub-clinically and clinically diseased quarters
Oikonomou, G., Bicalho, M. L., Meira, E., Rossi, R. E., Foditch, C., Machado, V. S., . . . Bicalho, R. C. (2014). Microbiota of cow's milk; Distinguishing healthy, sub-clinically and clinically diseased quarters. PLoS ONE, 9(1). doi:10.1371/journal.pone.0085904
The effect of sire predicted transmitting ability for production traits on fertility, survivability, and health of Holstein dairy cows
Bicalho, R. C., Foditsch, C., Gilbert, R., & Oikonomou, G. (2014). The effect of sire predicted transmitting ability for production traits on fertility, survivability, and health of Holstein dairy cows. THERIOGENOLOGY, 81(2), 257-265. doi:10.1016/j.theriogenology.2013.09.023
<i>Short communication</i>: Genetic characterization of digital cushion thickness
Oikonomou, G., Banos, G., Machado, V., Caixeta, L., & Bicalho, R. C. (2014). <i>Short communication</i>: Genetic characterization of digital cushion thickness. JOURNAL OF DAIRY SCIENCE, 97(1), 532-536. doi:10.3168/jds.2013-7212
Association of digital cushion thickness with sole temperature measured with the use of infrared thermography
Oikonomou, G., Trojacanec, P., Ganda, E. K., Bicalho, M. L. S., & Bicalho, R. C. (2014). Association of digital cushion thickness with sole temperature measured with the use of infrared thermography. JOURNAL OF DAIRY SCIENCE, 97(7), 4208-4215. doi:10.3168/jds.2013-7534
Effect of trace mineral supplementation on selected minerals, energy metabolites, oxidative stress, and immune parameters and its association with uterine diseases in dairy cattle
Bicalho, M. L. S., Lima, F. S., Ganda, E. K., Foditsch, C., Meira, E. B. S. J., Machado, V. S., . . . Bicalho, R. C. (2014). Effect of trace mineral supplementation on selected minerals, energy metabolites, oxidative stress, and immune parameters and its association with uterine diseases in dairy cattle. JOURNAL OF DAIRY SCIENCE, 97(7), 4281-4295. doi:10.3168/jds.2013-7832
First report of <i>Besnoitia besnoiti</i> seropositive cattle in Greece
Papadopoulos, E., Arsenos, G., Ptochos, S., Katsoulos, P., Oikonomou, G., Karatzia, M. A., & Karatzias, H. (2014). First report of <i>Besnoitia besnoiti</i> seropositive cattle in Greece. JOURNAL OF THE HELLENIC VETERINARY MEDICAL SOCIETY, 65(2), 115-120. Retrieved from https://www.webofscience.com/
Profile and genetic parameters of dairy cattle locomotion score and lameness across lactation
Kougioumtzis, A., Valergakis, G. E., Oikonomou, G., Arsenos, G., & Banos, G. (2014). Profile and genetic parameters of dairy cattle locomotion score and lameness across lactation. ANIMAL, 8(1), 20-27. doi:10.1017/S1751731113001717
Subcutaneous Immunization with Inactivated Bacterial Components and Purified Protein of <i>Escherichia coli</i>, <i>Fusobacterium necrophorum</i> and <i>Trueperella pyogenes</i> Prevents Puerperal Metritis in Holstein Dairy Cows
Machado, V. S., Bicalho, M. L. D. S., Junior, E. B. D. S. M., Rossi, R., Ribeiro, B. L., Lima, S., . . . Bicalho, R. C. (2014). Subcutaneous Immunization with Inactivated Bacterial Components and Purified Protein of <i>Escherichia coli</i>, <i>Fusobacterium necrophorum</i> and <i>Trueperella pyogenes</i> Prevents Puerperal Metritis in Holstein Dairy Cows. PLOS ONE, 9(3). doi:10.1371/journal.pone.0091734
The effect of injectable trace minerals (selenium, copper, zinc, and manganese) on peripheral blood leukocyte activity and serum superoxide dismutase activity of lactating Holstein cows
Machado, V. S., Oikonomou, G., Lima, S. F., Bicalho, M. L. S., Kacar, C., Foditsch, C., . . . Bicalho, R. C. (2014). The effect of injectable trace minerals (selenium, copper, zinc, and manganese) on peripheral blood leukocyte activity and serum superoxide dismutase activity of lactating Holstein cows. VETERINARY JOURNAL, 200(2), 299-304. doi:10.1016/j.tvjl.2014.02.026
2013
Control and prevention of lameness associated with claw lesions in dairy cows
Bicalho, R. C., & Oikonomou, G. (2013). Control and prevention of lameness associated with claw lesions in dairy cows. LIVESTOCK SCIENCE, 156(1-3), 96-105. doi:10.1016/j.livsci.2013.06.007
Effect of an injectable trace mineral supplement containing selenium, copper, zinc, and manganese on the health and production of lactating Holstein cows
Machado, V. S., Bicalho, M. L. S., Pereira, R. V., Caixeta, L. S., Knauer, W. A., Oikonomou, G., . . . Bicalho, R. C. (2013). Effect of an injectable trace mineral supplement containing selenium, copper, zinc, and manganese on the health and production of lactating Holstein cows. VETERINARY JOURNAL, 197(2), 451-456. doi:10.1016/j.tvjl.2013.02.022
Heat and ultraviolet light treatment of colostrum and hospital milk: Effects on colostrum and hospital milk characteristics and calf health and growth parameters
Teixeira, A. G. V., Bicalho, M. L. S., Machado, V. S., Oikonomou, G., Kacar, C., Foditsch, C., . . . Bicalho, R. C. (2013). Heat and ultraviolet light treatment of colostrum and hospital milk: Effects on colostrum and hospital milk characteristics and calf health and growth parameters. VETERINARY JOURNAL, 197(2), 175-181. doi:10.1016/j.tvjl.2013.03.032
Sire predicted transmitting ability for conformation and yield traits and previous lactation incidence of foot lesions as risk factors for the incidence of foot lesions in Holstein cows
Oikonomou, G., Cook, N. B., & Bicalho, R. C. (2013). Sire predicted transmitting ability for conformation and yield traits and previous lactation incidence of foot lesions as risk factors for the incidence of foot lesions in Holstein cows. JOURNAL OF DAIRY SCIENCE, 96(6), 3713-3722. doi:10.3168/jds.2012-6308
Clinical characteristics of lameness and potential risk factors in intensive and semi-intensive dairy sheep flocks in Greece
Gelasakis, A. I., Oikonomou, G., Bicalho, R. C., Valergakis, G. E., Fthenakis, G. C., & Arsenos, G. (2013). Clinical characteristics of lameness and potential risk factors in intensive and semi-intensive dairy sheep flocks in Greece. JOURNAL OF THE HELLENIC VETERINARY MEDICAL SOCIETY, 64(2), 123-130. Retrieved from https://www.webofscience.com/
Fecal Microbial Diversity in Pre-Weaned Dairy Calves as Described by Pyrosequencing of Metagenomic 16S rDNA. Associations of <i>Faecalibacterium</i> Species with Health and Growth
Oikonomou, G., Teixeira, A. G. V., Foditsch, C., Bicalho, M. L., Machado, V. S., & Bicalho, R. C. (2013). Fecal Microbial Diversity in Pre-Weaned Dairy Calves as Described by Pyrosequencing of Metagenomic 16S rDNA. Associations of <i>Faecalibacterium</i> Species with Health and Growth. PLOS ONE, 8(4). doi:10.1371/journal.pone.0063157
Review: Control and Prevention of Lameness associated with Claw Lesions in Dairy Cows
Bicalho, R. C., & Oikonomou, G. (2013). Review: Control and Prevention of Lameness associated with Claw Lesions in Dairy Cows. Livestock Science, 156, 96-105.
The effect of prepartum intravaginal bacteriophage administration on the incidence of retained placenta and metritis
Meira, E. B. S. J., Rossi, R. S., Teixeira, A. G., Kacar, C., Oikonomou, G., Gregory, L., & Bicalho, R. C. (2013). The effect of prepartum intravaginal bacteriophage administration on the incidence of retained placenta and metritis. JOURNAL OF DAIRY SCIENCE, 96(12), 7658-7665. doi:10.3168/jds.2013-6774
The effect of sire predicted transmitting ability for production traits on fertility, survivability, and health of Holstein dairy cows
Bicalho, R. C., Foditsch, C., Gilbert, R., & Oikonomou, G. (2013). The effect of sire predicted transmitting ability for production traits on fertility, survivability, and health of Holstein dairy cows. Theriogenology. doi:10.1016/j.theriogenology.2013.09
2012
Investigation of postpartum dairy cows' uterine microbial diversity using metagenomic pyrosequencing of the 16S rRNA gene
Machado, V. S., Oikonomou, G., Bicalho, M. L. S., Knauer, W. A., Gilbert, R., & Bicalho, R. C. (2012). Investigation of postpartum dairy cows' uterine microbial diversity using metagenomic pyrosequencing of the 16S rRNA gene. VETERINARY MICROBIOLOGY, 159(3-4), 460-469. doi:10.1016/j.vetmic.2012.04.033
The effect of intrauterine administration of man nose or bacteriophage on uterine health and fertility of dairy cows with special focus on <i>Escherichia coli</i> and <i>Arcanobacterium pyogenes</i>
Machado, V. S., Bicalho, M. L. S., Pereira, R. V., Caixeta, L. S., Bittar, J. H. J., Oikonomou, G., . . . Bicalho, R. C. (2012). The effect of intrauterine administration of man nose or bacteriophage on uterine health and fertility of dairy cows with special focus on <i>Escherichia coli</i> and <i>Arcanobacterium pyogenes</i>. JOURNAL OF DAIRY SCIENCE, 95(6), 3100-3109. doi:10.3168/jds.2011-5063
Association between virulence factors of <i>Escherichia coli</i>, <i>Fusobacterium necrophorum</i>, and <i>Arcanobacterium pyogenes</i> and uterine diseases of dairy cows
Bicalho, M. L. S., Machado, V. S., Oikonomou, G., Gilbert, R. O., & Bicalho, R. C. (2012). Association between virulence factors of <i>Escherichia coli</i>, <i>Fusobacterium necrophorum</i>, and <i>Arcanobacterium pyogenes</i> and uterine diseases of dairy cows. VETERINARY MICROBIOLOGY, 157(1-2), 125-131. doi:10.1016/j.vetmic.2011.11.034
Study of factors affecting udder traits and assessment of their interrelationships with milking efficiency in Chios breed ewes
Gelasakis, A. I., Arsenos, G., Valergakis, G. E., Oikonomou, G., Kiossis, E., & Fthenakis, G. C. (2012). Study of factors affecting udder traits and assessment of their interrelationships with milking efficiency in Chios breed ewes. SMALL RUMINANT RESEARCH, 103(2-3), 232-239. doi:10.1016/j.smallrumres.2011.09.045
A novel diagnostic technique to determine uterine health of Holstein cows at 35 days postpartum
Machado, V. S., Knauer, W. A., Bicalho, M. L. S., Oikonomou, G., Gilbert, R. O., & Bicalho, R. C. (2012). A novel diagnostic technique to determine uterine health of Holstein cows at 35 days postpartum. JOURNAL OF DAIRY SCIENCE, 95(3), 1349-1357. doi:10.3168/jds.2011-4867
Investigation of postpartum dairy cows' uterine microbial diversity using metagenomic pyrosequencing of the 16S rRNA gene.
Machado, V. S., Oikonomou, G., Bicalho, M., Knauer, W., Gilbert, R., & Bicalho, R. C. (2012). Investigation of postpartum dairy cows' uterine microbial diversity using metagenomic pyrosequencing of the 16S rRNA gene.. Veterinary Microbiology, 159, 4460-4469.
Microbial Diversity of Bovine Mastitic Milk as Described by Pyrosequencing of Metagenomic 16s rDNA
Oikonomou, G., Machado, V. S., Santisteban, C., Schukken, Y. H., & Bicalho, R. C. (2012). Microbial Diversity of Bovine Mastitic Milk as Described by Pyrosequencing of Metagenomic 16s rDNA. PLOS ONE, 7(10). doi:10.1371/journal.pone.0047671
2011
Effect of polymorphisms at the <i>STAT5A</i> and <i>FGF2</i> gene loci on reproduction, milk yield and lameness of Holstein cows
Oikonomou, G., Michailidis, G., Kougioumtzis, A., Avdi, M., & Banos, G. (2011). Effect of polymorphisms at the <i>STAT5A</i> and <i>FGF2</i> gene loci on reproduction, milk yield and lameness of Holstein cows. RESEARCH IN VETERINARY SCIENCE, 91(2), 235-239. doi:10.1016/j.rvsc.2011.01.009
Phenotypic association between energy balance indicators and reproductive performance in primiparous Holstein cows
Valergakis, G. E., Oikonomou, G., Arsenos, G., & Banos, G. (2011). Phenotypic association between energy balance indicators and reproductive performance in primiparous Holstein cows. VETERINARY RECORD, 168(7), 189. doi:10.1136/vr.c6259
Factors affecting udder morphology and milking time in Chios-breed ewes
AI, G., Arsenos, G., Valergakis, G. E., Oikonomou, G., Kiossis, E., & Fthenakis, G. C. (2011). Factors affecting udder morphology and milking time in Chios-breed ewes. Small Ruminant Research, 130, 232-239.
2010
Profitability of a dairy sheep genetic improvement program using artificial insemination
Valergakis, G. E., Gelasakis, A. I., Oikonomou, G., Arsenos, G., Fortomaris, P., & Banos, G. (2010). Profitability of a dairy sheep genetic improvement program using artificial insemination. ANIMAL, 4(10), 1628-1633. doi:10.1017/S1751731110000832
2009
The effects of polymorphisms in the <i>DGAT1</i>, <i>leptin</i> and <i>growth hormone receptor</i> gene loci on body energy, blood metabolic and reproductive traits of Holstein cows
Oikonomou, G., Angelopoulou, K., Arsenos, G., Zygoyiannis, D., & Banos, G. (2009). The effects of polymorphisms in the <i>DGAT1</i>, <i>leptin</i> and <i>growth hormone receptor</i> gene loci on body energy, blood metabolic and reproductive traits of Holstein cows. ANIMAL GENETICS, 40(1), 10-17. doi:10.1111/j.1365-2052.2008.01789.x
2008
Genetic Relationship of Body Energy and Blood Metabolites with Reproduction in Holstein Cows
Oikonomou, G., Arsenos, G., Valergakis, G. E., Tsiaras, A., Zygoyiannis, D., & Banos, G. (2008). Genetic Relationship of Body Energy and Blood Metabolites with Reproduction in Holstein Cows. JOURNAL OF DAIRY SCIENCE, 91(11), 4323-4332. doi:10.3168/jds.2008-1018
Genetic profile of body energy and blood metabolic traits across lactation in primiparous Holstein cows
Oikonomou, G., Valergakis, G. E., Arsenos, G., Roubies, N., & Banos, G. (2008). Genetic profile of body energy and blood metabolic traits across lactation in primiparous Holstein cows. JOURNAL OF DAIRY SCIENCE, 91(7), 2814-2822. doi:10.3168/jds.2007-0965
Dairy Cows' Body Condition Score. Effects on reproduction, health and milk production. Use in farm management
Oikonomou, G., Basdagianni, Z., & Valergakis, G. E. (2008). Dairy Cows' Body Condition Score. Effects on reproduction, health and milk production. Use in farm management. Journal of the Hellenic Veterinary Medical Society, 59, 320-331.
Fertility and Kinematics Correlation of Filtrated Bovine Semen
Piperelis, S. G., Vafiadis, D., Alexopoulos, C., Oikonomou, G., Banos, G., & Boscos, C. M. (2008). Fertility and Kinematics Correlation of Filtrated Bovine Semen. In REPRODUCTION IN DOMESTIC ANIMALS Vol. 43 (pp. 63). Retrieved from https://www.webofscience.com/
The feeding of rams on farms of the "Macedonia" Cooperative of Chios sheep breeders
Valergakis, G. E., Gelasakis, A. I., Oikonomou, G., Basdagianni, Z., & Arsenos, G. (2008). The feeding of rams on farms of the "Macedonia" Cooperative of Chios sheep breeders. Journal of the Hellenic Veterinary Medical Society, 59, 346-356.
2006
Canola meal in cattle rations
Valergakis, G. E., & Oikonomou, G. (2006). Canola meal in cattle rations. Journal of the Hellenic Veterinary Medical Society, 57, 315-329.