Sari, N.F., Kliem, K. ORCID: https://orcid.org/0000-0002-0058-8225, Whistance, L., Smith, J., Natalello, A., Theodoridou, K., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2024) Effects of goat willow’s tannin profile on in vitro methane production and rumen fermentation. In: 75th Annual Meeting of the European Association of Animal Production, 1-5 September 2024, Florence, Italy.

Sari, N.F., Theodoridou, K., Terre, M., Kliem, K. ORCID: https://orcid.org/0000-0002-0058-8225, Huws, S., Prat, N., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2024) Rumen fermentation and predicted methane emissions from dairy cows fed Ascophyllum nodosum. In: 75th Annual Meeting of the European Association of Animal Production, 1-5 September 2024, Florence, Italy.

Sari, N., Kliem, K. ORCID: https://orcid.org/0000-0002-0058-8225, Whistance, L., Smith, J., Natalello, A., Theodoridou, K., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2024) Tannin variation in tree fodder due to species, plant part and month. In: Proceedings of the British Society of Animal Science Annual Conference, 9-11 April 2024, Belfast, UK, pp. 34-35. doi: https://doi.org/10.1016/j.anscip.2024.02.033 (Animal – science proceedings)

Newton, E. E., Theodoridou, K., Terré, M., Huws, S.A., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Reynolds, C. K. ORCID: https://orcid.org/0000-0002-4152-1190, Prat, N., Sabrià, D. and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2023) Effect of dietary seaweed (Ascophyllum nodosum) supplementation on milk mineral concentrations, transfer efficiency, and hematological parameters in lactating Holstein cows. Journal of Dairy Science, 106 (10). pp. 6880-6893. ISSN 1525-3198 doi: https://doi.org/10.3168/jds.2022-23074

Sari, N., Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X, Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Crompton, L. and Kliem, K. ORCID: https://orcid.org/0000-0002-0058-8225 (2023) Effect of garlic processing method on in vitro methane production and rumen fermentation. In: Book of Abstracts of the 74th Annual Meeting of the European Federation of Animal Science. EAAP book of abstract series (29). Wageningen Academic Publishers. ISBN 9789086863846 doi: https://doi.org/10.3920/978-90-8686-936-7

Newton, E. E., Lamminen, M., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Mackenzie, A. M., Reynolds, C. K. ORCID: https://orcid.org/0000-0002-4152-1190, Lee, M. R. F., Halmemies-Beauchet-Filleau, A., Vanhatallo, A. and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2022) Macromineral and trace element concentrations in milk from Finnish Ayrshire cows fed microalgae (Spirulina platensis) and rapeseed (Brassica napus). Journal of Dairy Science, 105 (11). pp. 8866-8878. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2022-22050

Sari, N. F., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Kliem, K. E. ORCID: https://orcid.org/0000-0002-0058-8225 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2022) Garlic and its bioactive compounds: implications for methane emissions and ruminant nutrition. Animals, 12 (21). 2998. ISSN 2076-2615 doi: https://doi.org/10.3390/ani12212998

Keenum, I. ORCID: https://orcid.org/0000-0002-5441-4634, Wind, L., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Guron, G., Chen, C., Knowlton, K., Ponder, M. and Pruden, A. ORCID: https://orcid.org/0000-0002-3191-6244 (2022) Metagenomic tracking of antibiotic resistance genes through a pre‐harvest vegetable production system: an integrated lab‐, microcosm‐ and greenhouse‐scale analysis. Environmental Microbiology, 24 (8). pp. 3705-3721. ISSN 1462-2920 doi: https://doi.org/10.1111/1462-2920.16022

Needs, S. H. ORCID: https://orcid.org/0000-0003-3407-9637, Saiprom, N., Rafaque, Z., Imtiaz, W., Chantratita, N., Runcharoen, C., Thammachote, J., Anun, S., Peacock, S. J., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Andrews, S. ORCID: https://orcid.org/0000-0003-4295-2686 and Edwards, A. D. ORCID: https://orcid.org/0000-0003-2369-989X (2022) Miniaturised broth microdilution for simplified antibiotic susceptibility testing of Gram negative clinical isolates using microcapillary devices. Analyst (15). pp. 3385-3614. ISSN 0003-2654 doi: https://doi.org/10.1039/D2AN00305H

Khan, X., Lim, R. H. M. ORCID: https://orcid.org/0000-0003-1705-1480, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330 and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2022) Fijian veterinarian and para-veterinarians’ behaviour, attitude and knowledge towards antimicrobial use and antimicrobial resistance: a qualitative study. Frontiers in Veterinary Science, 9. 898737. ISSN 2297-1769 doi: https://doi.org/10.3389/fvets.2022.898737

Khan, X., Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Lim, R. ORCID: https://orcid.org/0000-0003-1705-1480 and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2022) Factors associated with antimicrobial use in Fijian livestock farms. Antibiotics, 11 (5). 587. ISSN 2079-6382 doi: https://doi.org/10.3390/antibiotics11050587

Newton, E. E., Terre, M., Theodoridou, K., Huws, S., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Reynolds, C. ORCID: https://orcid.org/0000-0002-4152-1190, Prat, N., Sabria, D. and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2022) Inclusion of seaweed in the dairy cattle diet and the effect on milk production and feed efficiency. In: 73rd Annual Meeting of the European Association of Animal Production, 5-9 SEPT 2022, Porto, Portugal, p. 332.

Newton, E.E., Lamminen, M., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Mackenzie, S., Reynolds, C. ORCID: https://orcid.org/0000-0002-4152-1190, Lee, M.R.F., Halmemies-Beauchet-Filleau, A., Vanhatalo, A. and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2022) Mineral concentrations in milk from Finnish Ayrshire cows fed microalgae or rapeseed. In: 73rd Annual Meeting of the European Association of Animal Production, 5-9 SEPT 2022, Porto, Portugal, p. 408.

Khan, X., Lim, R. H. M. ORCID: https://orcid.org/0000-0003-1705-1480, Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330 and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2022) Fijian farmers' attitude and knowledge towards antimicrobial use and antimicrobial resistance in livestock production systems - a qualitative study. Frontiers in Veterinary Science, 9. 838457. ISSN 2297-1769 doi: https://doi.org/10.3389/fvets.2022.838457

Khan, X., Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 and Lim, R. ORCID: https://orcid.org/0000-0003-1705-1480 (2022) Categorisation of antimicrobial use in Fijian livestock production systems. Antibiotics, 11 (3). 294. ISSN 2079-6382 doi: https://doi.org/10.3390/antibiotics11030294

Newton, E. E., Petursdottir, A., Rikhardsson, G., Reynolds, C. ORCID: https://orcid.org/0000-0002-4152-1190, Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2022) Effect of dietary seaweed supplementation on bovine milk microbiota. In: British Society of Animal Science Annual Conference, 12-14 APR 2022, Nottingham, p. 33. (In Press)

Diep, T. T. ORCID: https://orcid.org/0000-0001-7166-6369, Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 and Edwards, A. D. ORCID: https://orcid.org/0000-0003-2369-989X (2022) Methods for rapid prototyping novel labware: using CAD and desktop 3D printing in the microbiology laboratory. Letters in Applied Microbiology, 74 (2). pp. 247-257. ISSN 1472-765X doi: https://doi.org/10.1111/lam.13615

Khan, X., Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 and Lim, R. ORCID: https://orcid.org/0000-0003-1705-1480 (2021) Quantification of antimicrobial use in Fijian livestock farms. One Health, 13. 100326. ISSN 2352-7714 doi: https://doi.org/10.1016/j.onehlt.2021.100326

Correa, P. S., Jimenez, C. R., Mendes, L. W., Rymer, C. ORCID: https://orcid.org/0000-0002-3535-4330, Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Gerdes, L., da Silva, V. O., De Nadai Fernandes, E. A., Abdalla, A. L. and Louvandini, H. (2021) Taxonomic and functional diversity in the fecal microbiome of beef cattle reared in Brazilian traditional and semi-intensive production systems. Frontiers in Microbiology. ISSN 1664-302X doi: https://doi.org/10.3389/fmicb.2021.768480

Harrison, B. P., Dorigo, M., Reynolds, C. K. ORCID: https://orcid.org/0000-0002-4152-1190, Sinclair, L. A., Dijkstra, J. and Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 (2021) Determinants of phosphorus balance and use efficiency in diverse dairy farming systems. Agricultural Systems, 194. 103273. ISSN 0308-521X doi: https://doi.org/10.1016/j.agsy.2021.103273

Diep, T. T., Bizley, S., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 and Edwards, A. D. ORCID: https://orcid.org/0000-0003-2369-989X (2021) MicroMI: a portable microbiological mobile incubator that uses inexpensive lithium power banks for field microbiology. HardwareX, 10. ISSN 24680672 doi: https://doi.org/10.1016/j.ohx.2021.e00242

Wind, L., Keenum, I., Gupta, S., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Knowlton, K., Ponder, M., Hession, W. C., Pruden, A. and Krometis, L.-A. (2021) Integrated metagenomic assessment of multiple pre-harvest control points on lettuce resistomes at field-scale. Frontiers in Microbiology, 12. 683410. ISSN 1664-302X doi: https://doi.org/10.3389/fmicb.2021.683410

Newton, E. E., Pétursdóttir, A. H., Ríkharðsson, G., Beaumal, C., Desnica, N., Giannakopoulou, K., Juniper, D., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 and Stergiadis, S. ORCID: https://orcid.org/0000-0002-7293-182X (2021) Effect of dietary seaweed supplementation in cows on milk macrominerals, trace elements, and heavy metal concentrations. Foods, 10 (7). 1526. ISSN 2304-8158 doi: https://doi.org/10.3390/foods10071526

Harrison, B. P., Dorigo, M., Reynolds, C. K. ORCID: https://orcid.org/0000-0002-4152-1190, Sinclair, L. A. and Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 (2021) Phosphorus feeding practices, barriers to and motivators for minimising phosphorus feeding to dairy cows in diverse dairy farming systems. Animal, 15 (7). 100248. ISSN 1751-7311 doi: https://doi.org/10.1016/j.animal.2021.100248

Keenum, I., Williams, R., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Garner, E., Knowlton, K. and Pruden, A. (2021) Combined effects of composting and antibiotic administration on cattle manure-borne antibiotic resistance genes. Microbiome, 9 (1). 81. ISSN 2049-2618 doi: https://doi.org/10.1186/s40168-021-01006-z

Li, M. M., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Knowlton, K. F., Pruden, A., Xia, K., Teets, C. and Du, P. (2020) Fate of pirlimycin and antibiotic resistance genes in dairy manure slurries in response to temperature and pH adjustment. Science of the Total Environment, 710. 136310. ISSN 0048-9697 doi: https://doi.org/10.1016/j.scitotenv.2019.136310

Li, M. M., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Teets, C., Pruden, A., Xia, K. and Knowlton, K. F. (2020) Increasing temperature and pH can facilitate reductions of cephapirin and antibiotic resistance genes in dairy manure slurries. Journal of Dairy Science, 103 (3). pp. 2877-2882. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2019-17453

Needs, S. H. ORCID: https://orcid.org/0000-0003-3407-9637, Diep, T. T., Bull, S. P. ORCID: https://orcid.org/0000-0001-5129-1731, Lindley-Decaire, A., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 and Edwards, A. D. ORCID: https://orcid.org/0000-0003-2369-989X (2019) Exploiting open source 3D printer architecture for laboratory robotics to automate high-throughput time-lapse imaging for analytical microbiology. PLOS ONE, 14 (11). e0224878. ISSN 1932-6203 doi: https://doi.org/10.1371/journal.pone.0224878

Wepking, C., Badgley, B., Barrett, J. E., Knowlton, K. F., Lucas, J. M., Minick, K. J., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Shawver, S. E. and Strickland, M. S. (2019) Prolonged exposure to manure from livestock administered antibiotics decreases ecosystem carbon-use efficiency and alters nitrogen cycling. Ecology Letters, 22 (12). pp. 2067-2076. ISSN 1461-0248 doi: https://doi.org/10.1111/ele.13390

Feng, X., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Jarrett, J. P., Karpinski, L., Jones, B. and Knowlton, K. F. (2018) Effect of abomasal inorganic phosphorus infusion on phosphorus absorption in large intestine, milk production, and phosphorus excretion of dairy cattle. Journal of Dairy Science, 101 (8). pp. 7208-7211. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2018-14515

Chen, C., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Knowlton, K. F., Pruden, A. and Xia, K. (2018) Effect of composting and soil type on dissipation of veterinary antibiotics in land-applied manures. Chemosphere, 196. pp. 270-279. ISSN 0045-6535 doi: https://doi.org/10.1016/j.chemosphere.2017.12.161

Wepking, C., Avera, B., Badgley, B., Barrett, J. E., Franklin, J., Knowlton, K. F., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Smitherman, C. and Strickland, M. S. (2017) Exposure to dairy manure leads to greater antibiotic resistance and increased mass-specific respiration in soil microbial communities. Proceedings of the Royal Society B-Biological Sciences, 284 (1851). 20162233. ISSN 1471-2954 doi: https://doi.org/10.1098/rspb.2016.2233

Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Chen, C., Knowlton, K. F., Pruden, A. and Xia, K. (2017) Fate and effect of antibiotics in beef and dairy manure during static and turned composting. Journal of Environmental Quality, 46 (1). pp. 45-54. ISSN 1537-2537 doi: https://doi.org/10.2134/jeq2016.07.0269

Kulesza, S. B., Maguire, R. O., Xia, K., Cushman, J., Knowlton, K. and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2016) Manure injection affects the fate of pirlimycin in surface runoff and soil. Journal of Environmental Quality, 45 (2). pp. 511-518. ISSN 1537-2537 doi: https://doi.org/10.2134/jeq2015.06.0266

Chambers, L., Yang, Y., Littier, H., Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Zhang, T., Pruden, A., Strickland, M. and Knowlton, K. (2015) Metagenomic analysis of antibiotic resistance genes in dairy cow feces following therapeutic administration of third generation cephalosporin. PLOS ONE, 10 (8). e0133764. ISSN 1932-6203 doi: https://doi.org/10.1371/journal.pone.0133764

Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 and Knowlton, K. F. (2015) Nutritional strategies for minimizing phosphorus pollution from the livestock industry. In: Malik, P. K., Bhatta, R., Takahashi, J., Kohn, R. and Prasad, C. S. (eds.) Livestock Production and Climage Change. CABI Climate Change Series (6). CAB International, Wallingford, pp. 74-89. ISBN 9781780644325 doi: https://doi.org/10.1079/9781780644325.0074

Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Knowlton, K. F., Shang, C. and Xia, K. (2014) Development and validation of a UPLC-MS/MS method to monitor Cephapirin excretion in dairy cows following intramammary infusion. PLoS ONE, 9 (11). 112343. ISSN 1932-6203 doi: https://doi.org/10.1371/journal.pone.0112343

Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Knowlton, K. F., Shang, C. and Xia, K. (2014) Method development and validation: solid phase extraction-ultra performance liquid chromatography-tandem mass spectrometry quantification of pirlimycin in bovine feces and urine. Journal of AOAC International, 97 (6). pp. 1730-1736. ISSN 1944-7922 doi: https://doi.org/10.5740/jaoacint.14-040

Jarrett, J. P., Wilson, J. W., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 and Knowlton, K. F. (2014) The effects of forage particle length and exogenous phytase inclusion on phosphorus digestion and absorption in lactating cows. Journal of Dairy Science, 97 (1). pp. 411-418. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2013-7124

Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Jarrett, J. and Knowlton, K. F. (2013) Effect of dietary phytate on phosphorus digestibility in dairy cows. Journal of Dairy Science, 96 (2). pp. 1156-1163. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2012-5851

Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279, Zhao, Z. and Knowlton, K. F. (2013) Emerging contaminants in livestock manure: hormones, antibiotics and antibiotic resistance genes. In: Kebreab, E. (ed.) Sustainable animal agriculture. CABI, Wallingford, pp. 268-283. ISBN 9781780640426 doi: https://doi.org/10.1079/9781780640426.0268

Knowlton, K. and Ray, P. ORCID: https://orcid.org/0000-0001-8375-8279 (2013) Water-related issues in sustainability: nitrogen and phosphorus management. In: Kebreab, E. (ed.) Sustainable animal agriculture. CABI, Wallingford, pp. 113-123. ISBN 9781780640426 doi: https://doi.org/10.1079/9781780640426.0113

Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Shang, C., Pearson, R. E. and Knowlton, K. F. (2012) Disappearance of infused phytate from the large intestine of dairy heifers. Journal of Dairy Science, 95 (10). pp. 5927-5935. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2012-5363

Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279, Shang, C., Maguire, R. O. and Knowlton, K. F. (2012) Quantifying phytate in dairy digesta and feces: alkaline extraction and high-performance ion chromatography. Journal of Dairy Science, 95 (6). pp. 3248-3258. ISSN 0022-0302 doi: https://doi.org/10.3168/jds.2011-4984

Thames, C. H., Pruden, A., James, R. E., Ray, P. P. ORCID: https://orcid.org/0000-0001-8375-8279 and Knowlton, K. F. (2012) Excretion of antibiotic resistance genes by dairy calves fed milk replacers with varying doses of antibiotics. Frontiers in Microbiology, 3. 139. ISSN 1664-302X doi: https://doi.org/10.3389/fmicb.2012.00139