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Refereed articles or reviews

Rius, A.  2019.  Invited Review: Adaptations of protein and amino acid metabolism to heat stress on dairy cows and other livestock species.  Applied Animal Science.

Almeida, R. A., O. Kerro Dego, and A. Rius.  2018.  Effect of heat stress on interaction of Streptococcus uberis with bovine mammary epithelial cells.  Journal of Dairy Research, volume 85, Issue 1, Page 53 - 56.

Kaufman, J.D.*, A. M. Saxton, and A. Rius.  2018.  Short Communications: Relationships among temperature-humidity index with rectal, udder surface, and vaginal temperatures in lactating dairy cows experiencing heat stress.  Journal of Dairy Science, 101, 6424 - 6429.

Kaufman, J.D.*, K. Pohler, J. T. Mulliniks, and A. Rius.  2018.  Lowering rumen-degradable and rumen-undegradable protein improved amino acid metabolism and energy utilization in lactating dairy cows exposed to heat stress.  Journal of Dairy Science, 101, 8178 - 8192.

Kaufman, J.D.*, K. R. Kassube*, R. A. Almeida, and A. Rius.  2018.  Short communication: High incubation temperature in bovine mammary epithelial cells reduced the activity of the mTOR signaling pathway.  Journal of Dairy Science, 101, 7480 - 7486.

Rico, J.E., Y. Zang, N. Haughey, A. Rius, and J. W. McFadden.  2018.  Short communication: Circulating fatty acylcarnitines are elevated in overweight periparturient dairy cows in association with sphingolipid biomarkers of insulin resistance.  Journal of Dairy Science, 101, 812 - 819.

Kassube, K.R.*, J. Kaufman, K. Pohler, J. McFadden, and A. Rius.  2017.  Jugular-infused methionine, lysine, and branched-chain amino acids does not improve milk production in Holstein cows experiencing heat stress.  Animal, Vol 18, 1-9.

Kaufman, J.D.*, K. R. Kassube*, and A. Rius.  2017.  Lowering rumen-degradable protein maintained energy-corrected milk yield and improved nitrogen-use efficiency in multiparous lactating dairy cows exposed to heat stress.  Journal of Dairy Science, October 2017 Volume 100, Issue 10, Pages 81328145.

Mulliniks, J. T., A. Rius, M. A. Edwards, S. R. Edwards, J. D. Hobbs, and R. N. Oakes.  2015.  Improving efficiency of production in pasture- and range-based beef and dairy systems.  Journal of Animal Science, 93:2609-2615.

Grala, T. M., C. V. C. Phyn, J. K. Kay, A. Rius, M. C. Lucy, M. D. Littlejohn, R. G. Snell, and J. R. Roche.  2014.  Gene expression in liver and adipose tissue is altered during and after temporary changes to postpartum milking frequency.  Journal of Dairy Science, May 2014 Volume 97, Issue 5, Pages 27012717.

Phyn, C. V, J. K. Kay, A. Rius, S. R. Morgan, C. G. Roach, T. M. Grala, and J. R. Roche.  2014.  Temporary alterations to postpartum milking frequency affect whole-lactation milk production and the energy status of pasture-grazed dairy cows.  Journal of Dairy Science, November 2014 97 (11):6850-6868.

Cheng L, A. J. Sheahan, S. J. Gibbs, A. Rius, J. K. Kay, S. Meier, G. R. Edwards, R. Dewhurst, and J. R. Roche.  2013.  Technical note: Nitrogen isotopic fractionation can be used to predict nitrogen-use efficiency in dairy cows fed temperate pasture.  Journal of Animal Science, 2013, 91:5785-5788.

Grala TM, J. K. Kay, C. V. C. Phyn, M. Bionaz, A. Rius, R. G. Snell, and J. R. Roche.  2013.  Reducing milking frequency during nutrient restriction has no effect on the hepatic transcriptome of lactating dairy cattle.  Physiological genomics, December 2013 45 (23): 1157-1167.

Grala, TM, J. R. Roche, C. V. C. Phyn, A. Rius, R. H. Boyle, R. G. Snell, and J. K. Kay.  2013.  Expression of key lipid metabolism genes in adipose tissue is not altered by once-daily milking during a feed restriction of grazing dairy cows.  Journal of Dairy Science, Volume 96, Issue 12, December 2013, Pages 7753-7764.

Kay, J. K., C. V. C. Phyn, A. Rius, S. R. Morgan, T. M. Grala, and J. R. Roche.  2013.  Once-daily milking during a feed deficit decreases milk production but improves energy status in early lactating grazing dairy cows.  Journal of Dairy Science, Volume 96, Issue 10 , Pages 6274-6284, October 2013.

Roche, J. R., J. K. Kay, A. Rius, T. M. Grala, A. J. Sheahan, H. M. White, and C. V. C. Phyn.  2013.  Short communication: Immediate and deferred response to concentrate supplements in cows grazing fresh pasture. J. Dairy Sci. 96 2544-2550.  Journal of Dairy Science, April 2013, Volume 96, Issue 4, Pages 2544-2550.

Book chapters or books

Bulletins, reports, circulars, pamphlets, factsheets

Bates, G. E., A. Rius, J. Rhinehart, J. T. Mulliniks, and D. McIntosh.  2015.  Forage analysis definitions.  UT Extension Publication, SP744.

Popular press, trade, UTIA magazine or newsletter articles

Abstracts from scientific or discipline meetings, papers from conference proceedings

Bailey, H. R.*, E. M. Belanger*, J. D. Kaufman*, B. Barton, C. Zimmerman, K. Estes, and A. Rius.  2018.  Effect of Rumen-Protected Methionine Supplementation on Milk Production in Dairy Cows.  Journal of Dairy Science, Vol. 101.

Bailey, H. R.*, J. D. Kaufman*, B. Barton, C. Zimmerman, K. Estes, and A. Rius.  2018.  Rumen-protected lysine prototype supplementation increased milk production in lactating dairy cows.  Journal of Dairy Science, Vol 101.

Bailey, H.R.*, D. M. Butler, G. E. Bates, G. M. Pighetti, P. D. Krawczel, S. R. Smith, K. Mercier, D. McIntosh, and A. Rius.  2018.  Effects of pasture quality on feed efficiency and production or organic dairy cows in the southeastern United States.  Journal of Dairy Science, 101:12.

Couture, V. L., P. D. Krawczel, R. Smith, L. Schneider, A. Rius, and G. M. Pighetti.  2018.  Effect of Management System on the Lying Behavior of Organic Dairy Cows.  Proceedings American Dairy Science Association.

Couture, V.L., P. D. Krawczel, S. R. Smith, L. Schneider, A. Rius, and G. M. Pighetti.  2018.  Factors affecting lying behavior of grazing dairy cows in organic systems.  Proc. 52nd Congress of the International Society of Applied Ethology., Charlottetown, Prince Edward Island. Canada.

Donde, B. G., A. Balemi,, K. A. Ejeta, S. Girma, M. Gebru, A. Rius, G. E. Agga, and O. Kerro Dego.  2018.  Isolation and antimicrobial susceptibility patterns of Staphylococcus aureus from milk of cows, camels and goats with mastitis in Southern Ethiopia.  The 99th Annual Conference of Research Workers in Animal Diseases, Nov. 30 - Dec. 5, Chicago Marrio.

Johnson, C. M.*, J. D. Kaufman*, H. R. Bailey*, A. M. Devolk, C. A. Steren, F. E. Loeffler, and A. Rius.  2018.  In vitro fermentability of rumen fluid from heat-stressed or cooled cows fed high or low dietary crude protein.  Journal of Dairy Science, Vol. 101.

Kaufman, J. D.*, H. R. Bailey, and A. Rius.  2018.  Independent effects of metabolizable protein and heat stress affected milk production and plasma free fatty acid and insulin concentrations in dairy cows.  Journal of Dairy Science, Vol. 101.

Pighetti, G. M., V. L. Couture, H. R. Bailey*, A. Rius, P. D. Krawczel, and S. R. Smith.  2018.  Microorganisms isolated from subclinical intramammary infections present in cattle managed on organic dairy farms in the southeast United States.  Journal of Dairy Science, 101:286.

Bailey, H. R.*, D. M. Butler, G. E. Bates, G. M. Pighetti, D. McIntosh, and A. Rius.  2017.  Qualitative analysis of nine forage mixtures designed for Southeastern U.S. organic dairy production.  J. Dairy Sci., Vol. 100 (suppl.2):130.

Bailey, H. R.*, D. M. Butler, G. E. Bates, G. M. Pighetti, P. D. Krawczel, S. R. Smith, K. Mercier, D. McIntosh, and A. Rius.  2017.  Nutritive analysis of four spring forage mixtures for organic dairy production in the Southeastern United States.  UT Beef and Forage Center, 2nd Annual Graduate Research Poster Symposium and Competition.

Couture, V. L., L. J. Siebert, P. D. Krawczel, A. Rius, J. M. Bewley, and G. M. Pighetti.  2017.  Identifying pathogens causing subclinical mastitis in southeast organic dairies.  Conference of Resarch Workers in Animal Diseases, p. 157.

Couture, V. L., L. J. Siebert, P. D. Krawczel, A. Rius, J. M. Bewley, and G. M. Pighetti.  2017.  Identifying pathogens causing subclinical mastitis in southeast organic dairies.  UT Beef and Forage Center, 2nd Annual Graduate Resarch Poster Symposium and Competition.

Kaufman, J.D.*, and A. Rius.  2017.  Evaluation of low concentrations of rumen degradable protein in the diet of lactating dairy cows: A meta-analysis.  J. Dairy Sci., Vol. 100 (suppl.1).

Kaufman, J.D.*, and A. Rius.  2017.  Evaluation of the NRC predictions in response to changes in dietary rumen degraded and undegraded protein on dairy cows exposed to warm climates.  J. Dairy Sci., Vol. 100 (suppl.1).

Rico, J.E., Z. C. Phipps, Y. Zeng, A. M. Shall, J. D. Kaufman*, A. Rius, and J. W. McFadden.  2017.  Circulating insulin resistance biomarker lignoceroyl sphingosine is not elevated in Holstein dairy cows in response to heat stress.  J. Dairy Sci., Vol. 100 (suppl.1).

Almeida, R. A., O. K. Dego, S. P. Oliver, and A. Rius.  2016.  Effect of heat stress on adherence and internalization of Streptococcus Uberis into bovine mammary epithelial cells.  55th Annual Meeting National Mastitis Council..

Kassube, K.R.*, J. Kaufman, K. Pohler, and A. Rius.  2016.  The effect of heat stress and jugular infusions of methionine, lysine and branched-chain amino acids in lactating dairy cattle.  J. Dairy Sci. Vol. 99 (suppl.1).

Kaufman, J.D.*, K. Kassube, and A. Rius.  2016.  Feeding low crude protein diets in lactating dairy cows during summer months: 1. Improvements in milk production and nitrogen utilization.  J. Dairy Sci. Vol. 99 (suppl.1).

Kaufman, J.D.*, K. Kassube, K. Pohler, and A. Rius.  2016.  Feeding low crude protein diets in lactating dairy cows during summer months: 2. Improvements in energy metabolism.  J. Dairy Sci. Vol. 99 (suppl.1).

Kassube, K. R., J. D. Kaufman, and A. Rius.  2015.  Effects of insulin and heat stress on mTOR signaling cascade in bovine mammary epithelial cells.  J. Dairy Sci. Vol. 98 (suppl.1)..

Kaufman, J. D., K. R. Kassube, C. Baravalle, and A. Rius.  2015.  Heat stress reduces the phosphorylation activity of mTOR signaling cascade in bovine mammary cells.  J. Dairy Sci. Vol. 98 (suppl.1)..

Khaembah E, A. Rius, P. C. Beukes, G. Levy, P. Gregorini, M. D. Hanigan, S. A. Turner, and C. V. C. Phyn.  2013.  Improvement of Molly cow model to better predict production responses to milking frequency.  Canadian. J. An. Sc., Vol. 93 543 555.

Rius, A.  2018.  Nutritional strategies to overcome physiological adaptations to heat stress. Ruminant Nutrition Symposium: Interface of Environment and Nutrition-Targeted Nutrition to Overcome Heat Stress.  Journal of Dairy Science, Vol. 101. (Invited Speaker).  (invited)

Mulliniks, J. T., A. Rius, M. A. Edwards, K. B. Brantley, S. R. Edwards, and R. La Guardia Nave.  2014.  Improving efficiency of production in pasture/range based beef and dairy systems.  American Society of Animal Science Annual Conference.  (invited)

Theses/Dissertations completed by directed students

Bailey, H. R.*  2018.  Analysis of the Effects of Four Forage Mixtures Designed for Tennessee and Kentucky Organic Dairy Systems.  M.S. Thesis.

Kassube, K.R.*  2016.  The Effect of Heat Stress and Essential Amino Acids on Production and Metabolism of Lactating Dairy Cattle.  M.S. Thesis.

Kaufman, J.D.*  2016.  Effect of Varying Rumen Degradable and Undegradable Protein on Milk Production and Nitrogen Efficiency in Lactating Dairy Cows under Summer Conditions.  M.S. Thesis.

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* Agustin Rius served as major professor for this author.