Scientific Publications

Dairy Cows

Selected Scientific Publications

New ButtonHavlin, J.M., Robinson, P.H., and Garrett, J.E.  2018.  Effects on post-fresh period milk production and fertility as a result of prior niacin supplementation of dairy cows during their fresh period. Livest. Sci. 214: 73-78.

New ButtonRobinson, P.H., and Swanepoel, N.  2018.  Impacts of increasing levels of canola meal in diets of high producing Holstein cows on their productive performance. Anim. Feed Sci. Technol. 237: 175-185.

Amino Acid Nutrition

Swanepoel, N., Robinson, P.H., and Erasmus, L.J. 2016. Rumen microbial protein flow and plasma amino acid concentrations in early lactation multiparty Holstein cows fed commercial rations, and some relationships with dietary nutrients. Livest. Sci. 190: 58-69

Swanepoel, N., Robinson, P.H., Erasmus, L.J. 2015. Effects of ruminally protected methionine and/or phenylalanine on performance of high producing Holstein cows fed rations with very high levels of canola meal. Anim. Feed Sci. Technol. 205: 10-22.

Robinson, P.H., Swanepoel, N., Shinzato, I., Juchem, S.O. 2011. Productive responses of lactating dairy cattle to supplementing high levels of ruminally protected lysine using a rumen protection technology. Anim. Feed Sci. Technol. 168:30-41.

Swanepoel, N., Robinson, P.H., Erasmus, L.J. 2010. Amino acid needs of lactating dairy cows: Predicting limiting amino acid in contemporary rations fed to high producing dairy cattle in California using metabolic models. Anim. Feed Sci. Technol. 161: 103 -120.

Robinson, P.H., Swanepoel, N., Evans, E. 2010. Effects of feeding a ruminally protected lysine product, with or without isoleucine, valine, and histidine, to lactating dairy cows on their productive performance and plasma amino acid profiles. Anim. Feed Sci. Technol. 161: 75-84.

Swanepoel, N., Robinson, P.H., Erasmus, L.J. 2010. Amino acid needs of lactating dairy cows: Impact of feeding lysine in a ruminally protected form on productivity of lactating dairy cows. Anim, Feed Sci. Technology. 157: 79 - 94.

Watanabe, K., Fredeen, A.H., Chalupa, W., Julien, W.E., Sato, H., Suzuki, H., Katoh, K., Obara, Y. 2006. Effects of fat coated rumen bypass lysine and methionine on performance of dairy cows fed a diet deficient in lysine and methionine. Animal Science Journal 77:495-502.

Watanabe, K., Fredeen, A.H., Chalupa, W., Julien, W.E., Sato, H., Suzuki, H., Katoh, K., Obara, Y. 2006. Effects of fat coated rumen bypass lysine and methionine on performance of dairy cows fed a diet deficient in lysine and methionine. Animal Science Journal 77:495-502.

Robinson, P.H., DePeters, Shinzato, I., Sato, H. 2006. Rumen lysine escape, rumen fermentation, and productivity of early lactation dairy cows fed free lysine. Anim. Feed Sci. Technol. 128: 31-41.

Robinson P.H., DePeters E.J., Shinzato I., Sato H. 2005. Influence of feeding free lysine to early lactation dairy cows on ruminal lysine escape, rumen fermentation and productivity. Anim. Feed Sci. Technol. 118: 201-214.

Robinson P.H., Chalupa W., Sniffen C.J., Sato H., Fujieda T., Ueda T., Suzuki H. Influence of ingredient reformulation to reduce diet crude protein level on productivity, and efficiency of dietary nitrogen use, in early lactation dairy cows. Anim. Feed Sci Technol. 116:67-81.

Baldwin, R. L., Calvert, C. C, Robinson, P. H., Johnson. H. A. 2003. Modeling amino acid metabolism in ruminants. Chapter 16 in: Amino Acids in Animal Nutrition. Ed., J. P. F. D'Mello. CABI Publishing, Cambridge, MA. pp. 291-308.

Robinson, P.H., Chalupa, W., Sniffen, C. J., Julien, W.E., Sato, H., Fujieda, T., Ueda, T., Suzuki, H. 2000. Influence of abomasal infusion of high levels of lysine or methionine, or both, on ruminal fermentation, eating behavior, and performance of lactating dairy cows. J. Anim. Sci. 78:1067-1077.

Robinson, P.H., Chalupa, W., Sniffen, C. J., Julien, W.E., Sato, H., Fujieda, T., Watanabe, K., Suzuki, H. 1999. Influence of postruminal supplementation of methionine and lysine, isoleucine, or all three amino acids on intake and chewing cehavior, ruminal fermentation, and milk and milk component production. J. Anim. Sci. 77:2781-2792.

Robinson, P.H., Chalupa, W., Sniffen, C.J., Julien, W.E., Sato, H., Watanabe, K., Fujieda, T. and Suzuki, M. 1998. Ruminally protected lysine or lysine and methionine for lactating dairy cows fed a ration designed to meet requirements for microbal and postruminal protein. J. Dairy Sci. 81: 1364-1373.

Robinson, P.H. 1997. Modifying duodenal flow of amino acids by manipulation of dietary protein sources. Can. J. Anim. Sci. 77: 241-251.

Robinson, P.H. 1996. Rumen protected amino acids for dairy cattle: What is the future? Anim. Feed Sci. Technol. 59: 81-86.

Robinson, P.H., Fredeen, A.H., Chalupa, W., Julien, W.E., Sato, H., Fujieda, T. and Suzuki, H. 1995. Rumen protected lysine and methionine for lactating dairy cows fed a diet designed to meet requirements for microbial and postruminal protein. J. Dairy Sci. 78: 582-594.

Behavior

Avendano-Reyes, L., Hern Hernandez-Rivera, J.A., Alvarez-Valenzuela, F.D., Diaz-Molina, R., Macias-Cruz, U., Correa-Calderon, A., Robinson, P.H. and Fadel, J.G. 2012. Physiological and productive responses of multiparous lactatting Holstein cows exposed to short-term cooling during severe summer conditions in an arid region of Mexico. Int. J. Biometereolo. 56: 993-999.

Hernandez-Rivera, J.A., Alvarez-Valenzuela, F.D., Correa-Calderon, A., Macias-Cruz, U., Fadel, J.G, Robinson, P.H., Avendano-Reyes, L. 2011.Effect of short-term cooling on physiological and productive responses of primiparous Holstein cows exposed to elevated ambient temperatures Acta Agric. Scand. Sect. A. 61:34-39.

Avendano-Reyes, L., Alvarez-Valenzuela, F.D., Correa-Calderon, A., Algandar-Sandoval, A., Rodriguez-Gonzalez, E., Perez-Valazques, R., Macias-Cruz, U., Diaz-Molina, R., Robinson, P.H., Fadel, J.G. 2010. Comparison of three cooling management systems to reduce heat stress in lactating Holstein cows during hot and dry ambient conditiond. Livest. Sci. 132: 48 - 52.

Avendano-Reyes, L., Alvarez-Valenzuela, F.D., Correa-Calderon, A., Fadel, J.G., Robinson, P.H. 2008. Is soaking cows during dry period an effective management tool to reduce heat stress and improve postpartum productivity? J. Appl. Anim. Res. 34:97-100.

Chilibroste P., Soca, P., Mattiauda, D.A., Bentancur, O., Robinson, P.H.2007. Short term fasting as a tool to design grazing strategies for lactating dairy cattle: a review. Australian Journal of Experimental Agriculture 47:1075-1084.

Maas, J., Robinson, P.H. 2009. Preparing Holstein steers for the feedlot. Vet. Clin. Food Anim. 23:269-279.

Avendano-Reyes, L., Alvarez-Valenzuela, F. D., Correa-Calderon, A., Saucedo-Quintero, J. S., Robinson, P. H., Fadel, J. G. 2006. Effect of cooling Holstein cows during the dry period on postpartum performance under heat stress conditions. Livestock Science 105, 198-206

Juarez, S.T., Robinson, P. H., DePeters, E .J., Price, E. O. 2003. Impact of lameness on behavior and productivity of lactating Holstein cows. Appl. Anim. Behav. Sci. 83: 2-24.

Energetics

Robinson, P.H., Moorby, J.M., Gisi, D.D. 2009. Colostrum production by primiparous and multiparous Holstein dairy cows and its usefulness as an estimator of full lactation milk yield. Livestock Science 125:323-325.

Christodoulou, V., Bampidis, V.A., Robinson, P.H., Israilides, C.J., Giouzelyiannis, A,, Vlyssides, A. 2007. Nutritional and net energy value of fermented olive wastes in rations of lactating cows. Czech J. Anim Sci, 52:456-462.

Robinson, P.H. 2007.A new look at energy discounts: Using published studies to calculate discounted net energy values for dairy cows fed ad libitum. Can J. Anim. Sci. 87: 57-70

Robinson, P.H., Givens, D.I., Getachew, G. 2004. Evaluation of NRC, UC Davis and ADAS approaches to estimate the metabolizable energy values of feeds at maintenance energy intake from equations utilizing chemical assays and in vitro determinations. Anim. Feed Sci. Technol. 114: 75-90.

Environmental Impact

Robinson, P.H., Swanepoel, N., Heguy, J.M., Price, P., and Meyer, D.M. 2016. Total 'shrink' losses, and where they occur, in commercially sized silage piles constructed from immature and mature cereal crops. Sc. Total Env. 559: 45-52.

Robinson, P.H., Swanepoel, N., Heguy,J.M., Price T., Meyer D.M. 2016. ‘Shrink’ losses in commercially sized corn silage piles: Quantifying total losses and where they occur. Sci, Total Env. 542: 530-539.

Meyer, D.M., Robinson, P.H., Price, P.L., Heguy, J.M., 2016. Determination of silage face surface area on commercial California dairy farms. Grass and Forage Sci. 71: 132-138.

Rauch, R.E., Robinson,P.H., Erasmus, L.J. 2012. Effects of sodium bicarbonate and calcium magnesium carbonate supplementation on performance of high producing dairy cows. Anim. Feed Sci. Technol. 170:180-193

Moraes L.E., Wilen J.E,. Robinson P.H., Fadel J.G. 2012. A linear programming model to optimize diets in environmental policy scenarios. J. Dairy Sci. 95(3):1267-82.

McAllister, T.A, Beauchemin, K.A., McGinn, S.M., Hao, X., Robinson, P.H.2011. Greenhouse gases in animal agriculture—Finding a balance between food production and emissions. Anim. Feed Sci. Technol. 166-167:1-6.

Meyer, D., Price, P.L., Rossow, H.A., Silva-del-Rio, N., Karle, B.M., Robinson, P.H., DePeters, E.J., Fadel, J.G. 2011. Survey of dairy housing and manure management practices in California. J. Dairy Sci. 94: 4744-4750.

Fats and Oils

Macias-Cruz, U., Mejia-Vazquez, A., Vicente-Perez, R., Correa-Calderon, A., Robinson, P.H., Mellado, M., Meza-Herrera, C.A., Guerra-Liera, J.E., and Avendano-Reyes, L. 2017. Effects of soybean oil inclusion in the pre-lambing diet on udder size, colostrum secretion, and offspring thermoregulation and growth in hair-breed ewes. Livest. Sci. 204: 7-15.

Havlin, J.M., Robinson, P.H.,, Karges, K. 2015. Impact of dietary fat level and saturation when feeding distillers grains to high producing dairy cows J. Anim. Pysiol. and Aim. Nutr. 99:577-590.

Meyer, D., Price, P.L., Rossow, H.A., Silva-del-Rio, N., Karle, B.M., Robinson, P.H., DePeters, E.J., Fadel, J.G. 2011. Survey of dairy housing and manure management practices in California. J. Dairy Sci. 94: 4744-4750.

Warntjes, J.L., Robinson, P.H., Galo, G., DePeters, E.J., Howes, D. 2008. Effects of feeding supplemental palmitic acid (C16:0) on Performance and milk fatty acid profile of lactating dairy cows under summer heat. Anim. Feed Sci. Technol. 140: 241-257.

McCaughey, K.M., DePeters, E.J., Robinson, P.H., Santos, J.E.P., Taylor, S.J., Pareas, J.W. 2005. Impact of feeding whole Upland cottonseed, with or without cracked Pima cottonseed with inceasing addition of iron sulfater, on milk and milk fat composition of lactating dairy cattle. Anim.Feed Sci. Technol. 123-124: 667-685.

McCaughey, K. M., Depeters, E. J., Robinson, P. H., Santos, J. E. P., Pareas, J. W., Taylor, S. J. 2005. Impact of feeding whole Upland cottonseed, with or without cracked Pima cottonseed with increasing addition of iron sulfate, on productivity and plasma gossypol of lactating dairy cattle. 2005. Influence of prepartum Anim.Feed Sci. Technol. 122: 241-256.

Getachew G., DePeters E.J., Robinson P. H., Taylor S.J. 2001. In vitro rumen fermentation and gas production: influence of yellow grease, tallow, corn oil and their potassium soaps. Anim. Feed Sci. Technol. 1:15-110666.

Khorasani, G.R., de Boer, G., Robinson, P.H., Kennelly, J.J. 1992. Effect of canola fat on ruminal and whole tract digestion, plasma hormones, and metabolites in lactating dairy cows. J. Dairy Sci. 75: 492-501.

Khorasani, G.R., Robinson, P.H., de Boer, G., Kennelly, J.J. 1991. Influence of canola fat on yield, fat percentage, fatty acid profile and nitrogen fractions in Holstein milk. J. Dairy Sci. 74: 1904-1911.

Feed Additives

Leicester, H.C. vd W., Robinson, P.H., and Erasmus, L.J. 2016. Effects of two yeast based direct fed microbials on performance of high producing dairy cows. Anim. Feed Sci. Technol. 215: 58-72.

Havlin, J.M., Robinson, P.H. 2015. Intake, milk production and heat stress of dairy cows fed a citrus extract during summer heat. Anim. Feed Sci. Technol. 203: 23-32.

Salem, A.Z.M., Robinson, P.H., Lopez, S., Gohar, Y.M., Rojo, R., Tinoco, J.L.2010. Sesevity of sheep intestinal lactic acid bacteria to secondary compounds extracted from Acacia saligna leaves. Anim. Feed Sci. Technol. 161: 85 - 93.

Bruno, R.G.S., Rutigliano, H., Gerri, R.L., Robinson, P.H., Santos, J.E.P.2009. Effect of feeding yeast culture on reproduction and lameness in dairy cows under heat stress. Animal Reproduction Science 113:11-21.

Santos, M.B., Robinson, P.H., Williams, P., Losa, R. 2010. Effects of addition of an essential oil complex to the diet of lactating dairy cows on whole tract digestion of nutrients and productive performance. Anim. Feed Sci. Technol. 157:64-71.

Highstreet, A., Robinson, P.H., Robison, J., Garrett, J.G. 2010. Response of Holstein cows to replacing urea with a slowly rumen released urea in a diet in soluble crude Protein. Livestock Science 129:179-185.

Spanghero, M., Robinson, P.H., Zanfi, C., Fabbro, E. 2009. Effect of increasing doses of a microcapsulated blend of essential oils on performance of lactating primiparous dairy cows. Anim. Feed Sci. Technol. 153: 153-157.

Gado, H.M., Salem, A.Z.M., Robinson, P.H., Hassan, M. 2009. Influence of exogenous enzymes on nutrient digestibility, extent of ruminal fermentation as well as milk production and composition in dairy cows. Anim. Feed Sci. Technol. 154: 36-46.

Robinson, P.H., Erasmus, L.J. 2009. Effects of analyzable diet components on responses of lactating dairy cows to Saccharomyces cerevisiae based yeast products: A systematic review of the literature. Livestock Science 149:185-198.

Bruno, R.G.S., Rutigliano, H.M., Cerri, R.L., Robinson, P.H., Santos, J.E.P. 2009. Effect of feeding Saccharomyces Cerevisiae on performance of dairy cows during summer heat stress. Anim. Feed Sci. Technol. 150: 175-186.

Singer, M.D., Robinson, P.H., Salem, A.Z.M., DePeters, E.J. 2008. Impact of rumen fluid modified by feeding Yucca schidigera to lactating dairy cows on in vitro gas production of 11 common dairy feedstuffs, as well as animal performance. Anim. Feed Sci. Technol. 146: 242-258.

Pinos-Rodriguez, J.M., Moreno, R., Gonzalez, S.S., Robinson, P.H., Mendoza, G., Alvarez, G. 2008. Effects of exogenous fibrolytic enzymes on ruminal fermentation and digestibility of total mixed rations fed to lambs. Anim. Feed Sci. Technol. 142: 210-219.

Pinos-Rodriguez, J.M., Robinson, P.H., Ortega, M.E., Berry, S.L., Mendoza, G., Barcena, R. 2008. Performance and rumen fermentation of dairy calves supplemented with Saccharomyces cerevisiae or Saccaromyces boulardii. Anim. Feed Sci. Technol. 140: 223-232.

Salem, A.Z.M, Robinson, P.H., El-Adawy, M.M. and Hassan, A.A. 2007. In vitro fermentation and microbal protein synthesis of some browse tree leaves with or without addition of polyethylene glycol. Anim Feed Sci. Technol 138: 318-330.

Erasmus, L. J., Robinson P. H., Ahmadi, A., Hinders, R., Garrett, J. E. 2005. Influence of prepartum and postpartum supplementation of a yeast culture and Monessen, or both, on ruminal fermentation and performance of mutiparous dairy cows. Anim.Feed Sci. Technol. 122: 219-239.

Robinson, P.H. and Garrett, J.E. 1999. Effect of yeast culture (Saccharomyces cerevisiae) on adaptation of cows to postpartum diets and on lactational performance. J. Anim. Sci. 77: 988-999.

Robinson, P.H. 1997. Effect of yeast culture (Saccharomyces cerevisiae) on adaptation of cows to diets postpartum. J. Dairy Sci. 80: 1119-1125.

Robinson, P.H., Tamminga, S., van Vuuren, A.M. 1987. Influence of wet vs. dry by-product ingredients and addition of branched chain volatile fatty acids and valerate to dairy diets. 3. Kinetics of rumen ingesta turnover, whole tract digestibility, and some plasma hormone concentrations. Neth. J. Agric. Sci. 35: 459-471.

Robinson, P.H., Tamminga, S., van Vuuren, A.M. 1987. Influence of wet vs. dry by-product ingredients and addition of branched chain volatile fatty acids and valerate to dairy diets. 2. Rumen fermentation and milk production. Neth. J. Agric. Sci. 35: 447-458.

Feeding Frequency

Chilibroste, P., Dijkstra, J., Robinson, P.H., Tamminga, S. 2008. A simulation model "CTRDairy" to predict the supply of nutrients in dairy cows managed under discountinuous feeding patterns. Anim. Feed Sci. Technol. 143: 148-173.

Robinson, P.H., Gill, M., Kennelly J.J. 2002. Influence of time of feeding a protein meal on diurnal patterns of amino acids in duodenal digesta protein of lactating dairy cows. Anim. Feed Sci. Technol. 97: 115-121.

Gill, M., Robinson, P.H. and Kennelly, J.J. 1999. Diurnal patterns in rumen volume and composition of digesta flowing into the duodenum . Anim. Sci. 69: 237-249.

Robinson, P.H., Gill, M. and Kennelly, J.J. 1997. Influence of time of feeding a protein meal on ruminal fermentation and forestomach digestion in dairy cows. J. Dairy Sci. 80: 1366-1373.

Robinson, P.H. 1996. Strategies of feeding supplemental soybean meal to primiparous dairy cows. Can. J. Anim. Sci. 76: 105-112.

Moshtaghi Nia, S.A., Robinson, P.H., Gill, M., Ingalls, J.R. and Kennelly, J.J. 1995. Influence of feeding a rapidly rumen degraded dietary protein at night or with a basal mixed ration on performance of dairy cow. Can. J. Anim. Sci. 75: 575-582.

Robinson, P.H. 1994. Strategies of feeding high energy supplements to primiparous dairy cows. Can. J. Anim. Sci. 74: 487-493.

Robinson, P.H. and McQueen, R.E. 1994. Influence of supplemental protein source and feeding frequency on rumen fermentation and performance in dairy cows. J. Dairy Sci. 77: 1340-1353.

Robinson, P.H. 1989. Dynamic aspects of feeding management for dairy cows. J. Dairy. Sci. 72: 1197-1210.

Robinson, P.H., Sniffen, C.J., Van Soest, P.J. 1985. Forestomach and whole tract digestibility in lactating cows as influenced by feeding frequency. J. Dairy Sci. 68: 857-867.

Sniffen, C.J., Robinson, P.H. 1987. Microbial growth and flow as influence by dietary manipulations. J. Dairy. Sci. 70: 425-441.

Robinson, P.H., Sniffen, C.J. 1985. Forestomach and whole tract digestibility for lactating dairy cows as influenced by feeding frequency. J. Dairy. Sci. 68: 857-867.

Sniffen, C.J., Robinson, P.H. 1984. Nutritional strategy. Can. J. Anim. Sci. 64: 529-542.

Feed Intake

Jackson, W., Krishnamoorthy, U., Robinson, P.H., Fadel, J.G. 2010. Effect of changing partitioning factor (PF) and in vitro rate of gas production (k) of diets on intake and digestibility, microbial N production, as well as milk production and composition, of lactating crossbred dairy cows. Anim. Feed Sci. Technol. 160: 128-136

Robinson, P.H., Burgess, P.L. 1990. Energy supplementation of high forage diets for mid-lactation dairy cows. Can. J. Anim. Sci. 70: 867-874.

Robinson, P.H., Burgess, P.L., McQueen, R.E. 1990. Influence of moisture content of mixed rations on feed intake and milk production of dairy cows. J. Dairy Sci. 73: 2916-2921.

Robinson, P.H., Tamminga, S., van Vuuren, A.M. 1987. Influence of declining level of feed intake and varying the proportion of starch in the concentrate on rumen ingesta quantity, composition, and kinetics of ingesta turnover in dairy cows. Livest. Prod. Sci. 17:37-62.

Robinson, P.H., Tamminga, S., van Vuuren, A.M. 1987. Influence of declining level of feed intake and varying the proportion of starch in the concentrate on milk production and whole tract digestibility in dairy cows. Livest. Prod. Sci. 17: 19-35.

Robinson, P.H., Tamminga, S., van Vuuren, A.M. 1986. Influence of declining level of feed intake and varying the proportion of starch in the concentrate on rumen fermentation in dairy cows. Livest. Prod. Sci. 15: 173-179.

Robinson, P.H., Sniffen, C.J., Van Soest, P.J. 1985. Influence of feed intake on digestion and microbial yield in the forestomachs of dairy cattle. Can. J. Anim. Sci. 65: 437-444.

Feedstuffs

Kotsampasi, B., Christodoulou, C., Tsiplakou, E., Mavrommatis, A., Mitsiopoulou, C. Karaiskou, C., Dotas, V., Robinson, P.H., Bampidis, V.A., Christodoulou, V., and Zervas, G. 2017. Effects of dietary pomegranate pulp silage supplementation on milk fatty acid profile and blood plasma antioxidant status of lactating dairy cows. Anim. Feed Sci. Technol. 234: 226-236.

Robinson, P.H., Swanepoel, N. 2016, Impacts of a polyethylene silage pile underlay plastic with or without enhanced oxygen barrier (EOB) characteristics on preservation of whole crop maize silage, as well as a short investigation of peripheral deterioration on exposed silage faces. Anim. Feed Sci Technol. 215: 13-24.

Swanepoel, N., Robinson, P.H., Erasmus, L.J. 2014. Determining the optimal ratio of canola meal and high protein dried distillers grain protein in diets of high producing Holstein dairy cows. Anim. Feed Sci. Technol. 189:41-53.

Rauch R. E., Cun G., Nader G. A., Robinson P. H. 2014. Effects of rice straw versus wheat straw as ingredients in a total mixed ration on intake, digestibility and growth of Holstein heifers. Animal Production Science 54, 1047–1055.

Nader, G.A., Cun, G.S., Robinson, P.H. 2012. Impacts of silica levels, location in the detergent fiber matrix, on in vitro gas production of rice straw. Feed Sci. Technol. 174:140-147.

Spanghero, Salem, A.Z.M., M., Robinson, P.H. 2009. Chemical Composition, including secondary metabolites, and rumen fermentability of seeds and pulp of Californian (USA) and Italian grape pomaces. Anim. Feed Sci. Technol. 152: 243-255.

Ledgerwood, D.N., DePeters, E.J., Robinson,P.H., Taylor, S.J., Heguy, J.M. 2009. Assessment of a brown midrib (BMR) mutant gene on the nutritive value of sudangrass using in vitro and in vivo techniques. Anim. Feed Sci. Technol. 150: 207-222.

Robinson, P.H., Karges, K., Gibson, M.L. 2008. Nutritional evaluation of four co-product feedstuffs from the motor fuel ethanol distillation industry in the Midwestern USA. Anim. Feed Sci. Technol. 146: 345-352.

Moorby, J.M., Robinson, P.H., Fisher, W.J., Evans R.T. 2008. Comparison of red clover and ryegrass silage for dry cows and influence on subsequent lactation performance. J. Dairy Sci. 91:3501-3511.

Zamudio, D.M., Pinos-Rodrigues, J.M., Gonsalez, S.S., Robinson, P.H., Garcia, J.C., Montanez, O. 2009. Effects of Agave salmiana Otto Ex Salm-Dyck silage as forage on ruminal fermentation and growth in goats. Anim. Feed Sci. Technol. 148: 1-11.

Nader, G.A., Robinson, P.H. 2008. Effects of maceration of rice straw on voluntary intake and performance of growing beef cattle fed rice straw-based rations. Anim. Feed Sci. Technol. 146: 74-86.

Christodoulou, V., Bampidis, V. A., Israilides, C. J., Robinson, P.H., Giouzelyiannis, A., Vlyssides, A. 2008. Nutritional value of fermented olive wastes in growing lamb rations. Anim. Feed Sci. Technol. 141: 375-383.

Suyama, H., Benes, S.E., Robinson, P.H., Getachew, G., Grattan, S.R., Grieve, C.M. 2007. Biomass yield and nutritional quality of forage species under long-term irrigation with saline-sodic drainage water: Field evaluation. Anim. Feed Sci. Technol. 135: 329-345

Bampidis, V.A., Robinson, P.H. 2006. Citrus-by-products as ruminant feeds: A review. Anim.Feed Sci. Technol. 128: 175-217.

Christodoulou, V., Bampidis, V.A., Hucko, B., Ploumi, K., Iliadis, C., Robinson P.H., Mudrik, Z. 2005. Nutritional value of chickpeas in rations of lactating ewes and growing lambs. Anim.Feed Sci. Technol.: 118: 229-241

Grattan S.R., Grieve C.M., Poss J.A., Robinson P. H., Suarez D.L., Benes S.E. Evaluation of salt-tolerant forages for sequential water reuse systems. III. Potential implications for ruminant mineral nutrition. Agricultural Water Management 70: 137-150.

Grieve C.M., Poss J.A., Grattan S.R., Suarez D.L., Benes S.E., Robinson P. H. Evaluation of salt-tolerant forages for sequential water reuse systems. II. Biomass production. Agricultural Water Management 70: 121-135.

S.R. Grattan, C.M. Grieve, J.A. Poss, Robinson P. H., D.L. Suarez, S.E. Benes. Evaluation of salt-tolerant forages for sequential water reuse systems. I. Biomass production. Agricultural Water Management 70: 109-120.

Robinson, P.H., Grattan, S.R., Getachew, G., Grieve, C.M., Poss, J.A., Suarez, D.L., Benes, S.E. 2004. Biomass accumulation and potential nutritive value of some forages irrigated with saline-sodic drainage water. Anim. Feed Sci. Technol. 111: 175-189.

Getachew, G., Robinson, P.H., DePeters, E.J., Taylor, S.J. 2004. Relationship between chemical composition, dry matter degradation and in vitro gas production of several ruminant feeds. Anim. Feed Sci. Technol. 111: 57-71.

Santos J. E. P., Villasenor M., Robinson P. H., DePeters E. J., Holmberg A. 2003. Type of cottonseed and level of gossypol in diets of lactating dairy cows: Plasma gossypol, Health, and reproductive performance. J. Dairy Sci. 86:892-905.

Prieto J. G., DePeters E. J., Robinson P. H., Santos J. E. P., Pareas J. W., Taylor S. J. 2003. Increasing dietary levels of cracked pima cottonseed increase plasma gossypol but do not influence productive performance of lactating Holstein cows. J. Dairy Sci. 86:254-267.

Santos, J.E.P. Villasenor, M., DePeters, E.J., Robinson, P.H., Balfwin, B.C. 2002. Type of Cottonseed and Level of Gossypol in Diets of Lactating Dairy Cows: Effects on Lactation Performance and Plasma Gossypol. J. Dairy Sci. 85:1491-1501.

Robinson, P. H., Getachew, G., DePeters, E. J., Calhoun, M. C. 2001. Influence of variety and storage of up to 22 days on nutrient composition and gossypol level of Pima Cottonseed (Gossypium spp.). Anim. Feed Sci. Technol. 91:149-156.

Robinson, P.H., Khorasani, G.R. and Kennelly, J.J. 1996. Evaluation of linseed meal for dairy cows: Interaction with grain source on forestomach and whole-tract digestion. Can. J. Anim. Sci. 76: 209-214.

Robinson, P.H. 1996. Evaluation of a seal by-product meal as a feedstuff for dairy cows. Anim. Feed Sci. Technol. 63: 51-62.

Singh, C.K., Robinson, P.H. and McNiven, M.A. 1995. Evaluation of raw and roasted lupins as protein supplements for lactating cows. Anim. Feed Sci. Technol. 52: 63-76.

Robinson, P.H. and McNiven, M.A. 1994. Influence of flame roasting and feeding frequency of barley on performance of dairy cows. J. Dairy Sci. 77: 3631-3643.

Khorasani, G.R., Robinson, P.H. and Kennelly, J.J. 1994. Evaluation of solvent and expeller linseed meals as protein sources for dairy cattle. Can. J. Anim. Sci. 74: 479-485.

McNiven, M.A., Robinson, P.H. and MacLeod, J.A. 1994. Evaluation of a new high protein variety of soybeans as a source of protein and energy for dairy cows. J. Dairy Sci. 77: 2605-2613.

Robinson, P.H. and McNiven, M.A. 1993. Nutritive value of raw and roasted sweet white lupins (Lupinus albus) for lactating dairy cows. Anim. Feed Sci. Technol. 43: 275-290.

Charmley, E.C., Robinson, P.H. and McQueen, R.E. 1993. Corn or alfalfa as the forage source in predominently silage diets for late-lactation dairy cows. Can. J. Anim. Sci. 73: 67-77.

Robinson, P.H., Kennelly, J.J., Mathison, G.W. 1988. Influence of type of silage bag on chemical composition of alfalfa silage. Can. J. Anim. Sci. 68: 831-837.

Fiber Digestion

Stensig, T. and Robinson, P.H. 1997. Digestion and passage kinetics of forage fiber in dairy cows as affected by fiber-free concentrate in the diet. J. Dairy Sci. 80:1339-1352.

Robinson, P.H. and McQueen, R.E. 1997. Influence of level of concentrate allocation and fermentability of forage fiber on chewing behavior and production in dairy cows. J. Dairy Sci. 80: 681-691.

McQueen, R.E. and Robinson, P.H. 1996. Intake behavior, rumen fermentation and milk production of dairy cows as influenced by dietary levels of fermentable neutral detergent fiber. Can. J. Anim. Sci. 76: 357-365.

Robinson, P.H. and McQueen, R.E. 1992. Influence of rumen fermentable neutral detergent fiber levels on feed intake and milk production of dairy cows. J. Dairy Sci. 75: 520-532.

Tamminga, S., Vogt, M., Boer, H. and Robinson, P.H. 1989. Rumen ingesta kinetics of cell wall components in dairy cows. Anim. Feed Sci. Technol. 25: 89-98.

Fadel, J.G., Udén, P., Robinson, P.H. 1987. Effect of nitrogen and energy supplements on intake and digestion of oat straw by non-lactating dairy cows. J. Agric. Sci., Camb. 109: 503-511.

Robinson, P.H., Brice, R.E., Morrison, I.M. 1987. Effect of straw treatment and laboratory of incubation on degradation of neutral detergent residue in the rumen. Anim. Feed Sci. Technol. 18: 75-82.

Minerals

Benes, S.E., Robinson, P.H., Cun, G. 2015. Depletion of selenium in blood, liver and muscle from beef heifers previously fed forages containing high levels of selenium. Sci. Total Env. 53.6: 603-608.

Cun, G., Robinson, P.H., Benes, S.E. 2015. Bioavailability of selenium in ‘Jose’ tall wheatgrass (Thinopyru pontium var ‘Jose’) hay as a substitute for sodium selenite in the diets of dairy cattle. Sci. Total Env. 518-519 159-167.

Juchem S.O., Benes S.E., Robinson P.H., Grattan S.R., Vasquez P., Chilibroste P., Brito M. 2012. Grazing as an alternative for utilization of saline-sodic soils in the San Joaquin Valley: selenium accretion and performance of beef heifers.Sci Total Environ. 419:44-53.

Processing of Feeds

Santos, M.B., Nader, G.A., Robinson, P.H., Kiran, D., Krishnamoorthy, U., Gomes, M.J. 2010. Impact of simulated field drying on in vitro gas production and voluntary dry matter intake of rice straw. Anim. Feed Sci. Technol. 159: 96-104

Swanepoel, N., Robinson, P.H., Erasmus, L.J. 2010. Amino acid needs of lactating dairy cows: Impact of feeding lysine in a ruminally protected form on productivity of lactating dairy cows. Anim. Feed Sci. Technol. 157: 79-94

McNiven, M.A., Hamilton, R.M.G., Robinson, P.H. and de Leeuw, J.W. 1994. Effect of flame roasting on the nutritional quality of common cereal grains for non-ruminants and ruminants. Anim. Feed Sci. Technol. 47: 31-40.

Robinson, P.H., Khorasani, G.R. and Kennelly, J.J. 1994. Forestomach and whole tract digestion in lactating dairy cows fed increasing levels of canola meal treated with acetic acid. J. Dairy Sci. 77: 552-559.

Khorasani, G.R., Robinson, P.H. and Kennelly, J.J. 1993. Effects of canola meal treated with acetic acid on rumen degradation and intestinal digestibility in lactating dairy cows. J. Dairy Sci. 76: 1607-1616.

Khorasani, G.R., Robinson, P.H., Kennelly, J.J. 1989. Effect of chemical treatment on in vitro and in situ degradation of canola meal crude protein. J. Dairy Sci. 72: 2074-2080.

Robinson, P.H., Kennelly, J.J. 1989. Influence of ammoniation of high moisture barley on digestibility, kinetics of rumen ingesta turnover, and milk production in dairy cows. Can. J. Anim. Sci. 69: 195-203.

Robinson, P.H., Kennelly, J.J. 1988. Influence of ammoniation of high moisture barley on its in situ rumen degradation and influence of rumen fermentation in diary cows. Can. J. Anim. Sci. 68: 839-851.

Robinson, P.H., Kennelly, J.J. 1988. Influence of ammonia or sulphur dioxide treatment of high moisture barley on in situ rumen degradability and in situ whole tract digestibility in dairy cows. Can. J. Anim. Sci. 68: 779-786.

Protein Nutrition

Swanepoel, N., Robinson, P.H., and Erasmus, L.J. 2016. Impacts of adding ruminally protected phenylalanine to rations containing high levels of canola meal on performance of high producing Holstein cows. Anim. Feed Sci. Technol. 2016: 108-120.

Krishnamoorthy, U., Robinson, P.H. 2010. Prediction of rumen microbial N supply in bovines from dietary values of partitioning factor (PF), in vitro rate of gas production (k), neural detergent fiber and crude protein: A brief systematic review of studies completed in Bengaluru (India). Anim. Feed Sci. Technol. 160: 167-171.

Robinson, P.H. 2010. Impact of manipulating ration metabolizable lysine and methionine levels on the performance of lactating dairy cows: A systematic review of the literature. Livestock Science 127:115-126.

Robinson, P.H., Moorby, J.M., Arana, M., Graham, T. 2004. Effect of feeding a high- or low-rumen escape protein supplement to dry Holstein cows and heifers within 3 weeks of calving on their productive and reproductive performance in the subsequent lactation. Anim. Feed Sci. Technol.114: 43-57.

Robinson, P.H., Moorby, J. M., Arana, M., Hinders, R. J., Graham, T. Castelanelli, Barney, N. 2001. Influence of Close-up Dry Period Protein Supplementation on Productive and Reproductive Performance of Holstein Cows in Their Subsequent Lactation. J. Dairy Sci. 84:227-2283.

Robinson, P.H., Veira, D.M., Ivan, M. 1998. Influence of supplemental protein quality on rumen fermentation, rumen microbial yield, forestomach digestion, and intestinal amino acid flow in late lactation Holstein cows. Can. J. Anim. Sci. 78: 95-105.

Robinson, P.H., Charmley, E.C. and McQueen, R.E. 1992. Protein supplementation of high protein alfalfa silage fed to lactating dairy cows. Can. J. Anim. Sci. 72: 831-841.

Robinson, P.H., de Boer, G., Kennelly, J.J. 1991. Influence of bovine somatotropin and protein on rumen fermentation and forestomach and whole tract digestion in dairy cows. J. Dairy Sci. 74: 3505-3517.

Robinson, P.H., de Boer, G., Kennelly, J.J. 1991. Influence of degradability of supplemental protein and time post-partum in early lactation dairy cows. 2. Kinetics of rumen ingesta turnover and whole tract digestibility. Livest. Prod. Sci. 29: 167-180.

Robinson, P.H., de Boer, G., Kennelly, J.J. 1991. Influence of source of rumen-degraded nitrogen on ruminal and whole tract digestion, plasma hormone and metabolite concentrations as well as milk yield and composition in dairy cows. Can. J. Anim. Sci. 71: 417-428.

Robinson, P.H., McQueen, R.E., Burgess, P.L. 1991. Influence of rumen undegradable protein levels on feed intake and milk production of dairy cow. J. Dairy Sci. 74: 1623-1631.

Robinson, P.H., Kennelly, J.J. 1991. Influence of degradability of supplemental protein and time post-partum in early lactation dairy cows. 1. Rumen fermentation and milk production. Livest. Prod. Sci. 28: 121-138.

Robinson, P.H., Kennelly, J.J. 1988. Influence of intake of rumen undegradable protein on milk production of late lactation Holstein cows. J. Dairy Sci. 71: 2135-2142.

Robinson, P.H., Mowat, D.N., Chapman, H.W., Parkins, J.J. 1977. Nipple feeding of supplemental protein to calves Can. J. Anim. Sci. 57: 181-186.

Techniques

Robinson, P.H. 2016. Comments on Journal of Dairy Science statistical unit policy as it relates to pen-based studies. J. Dairy Sci. 99: 2435-2436.

Vicente-Pérez R, Avendaño-Reyes L, Mejía-Vázquez Á, Álvarez-Valenzuela FD, Correa-Calderón A, Mellado M, Meza-Herrera CA, Guerra-Liera JE, Robinson PH, Macías-Cruz U. 2016. Prediction of rectal temperature using non-invasive physiologic variable measurements in hair pregnant ewes subjected to natural conditions of heat stress. Thermal Biol. 55: 1-6.

Sakkers, M. , Erasmus, L.J., Robinson, P.H., Meeske, R., Garrett, J.E. 2013.Determining in vivo ruminal stability of three ruminally protected nutrients in lactating Jersey cows. Anim. Feed. Sci. Technol 185: 133-139

Sudha, S.K., Salem, A.Z.M., Robinson, P.H., . 2009. Effect of Diets Differing in Rate of Gas Production on Intake, Digestibility and Nitrogen Metabolism in Crossbred Lactating Cows. Animal Feed Sci. Technology 9:145-154.

Johnson, H.A., Fadel, J.G., Robinson, P.H. 2007. Impact of Variation in Ration Nutrient Inputs on Animal Responses Predicated by Two Dairy Cattle Metabolic Models. Prof. Anim. Sci. 23:227-284

Uden, P., Robinson, P.H., Wiseman, J. 2005. Editorial: Use of detergent system terminology and critaria for submission of manuscripts on new, revised, analytical methods as well as descriptive information on feed analysis and/or variability. Anim. Feed Sci.Technol. 118: 181-186.

Jinks, A.D., Oltjen, J.W., Robinson, P.H., Calvert, C.C. 2004. Validation and improvement of the Texas A&M grazinglands animal nutrition laboratory near infrared retlectance spectroscopy prediction equations. Proc. West. Sect. Am. Soc. Anim. Sci. 55:7-10.

Getachew G., Crovetto G.M., Fondevilla M., Krishnamoorthy U., Singh B., Spanghero M., Steingass H,, Robinson P. H., Kailas M.M. 2002. Laboratory variation of 24 h in vitro gas production and estimated metabolizable energy values of ruminant feeds. Anim. Feed Sci. Technol. 102:169-180.

Robinson, P.H., Campbell Mathews, M. and Fadel, J.G. 1999. Influence of storage time and temperature on in vitro digestion of neutral detergent fibre at 48 h, and comparison to 48 h in saco neutral detergent fibre digestion. Anim. Feed Sci. Technol. 80: 257-266.

Robinson, P.H., Fadel, J.G. and Ivan, M. 1996. Critical evaluation of diaminopimelic acid and ribonucleic acid as markers to estimate rumen pools and duodenal flows of bacterial and protozoal nitrogen. Can. J. Anim. Sci. 76: 587-597.

Robinson, P.H., Okine, E.K. and Kennelly, J.J. 1992. Measurement of protein digestion in ruminants. In: Modern methods of Protein Nutrition and Metabolism, pp 121-144. Ed: S. Nissen. Academic Press, San Diego, CA.

Robinson, P.H., Kennelly, J.J. 1990. Evaluation of a duodenal cannula for dairy cattle. J. Dairy Sci. 73: 3146-3157.

Robinson, P.H., Coto, G., Stern, M.D., Veira, D.M. 1990. Interlaboratory variation in a diaminopimelic acid assay: Influence on estimated duodenal bacterial nitrogen flow. J. Dairy Sci. 73: 2929-2933.

Dugan, M.E., Sauer, W.C., Robinson, P.H. 1989. High performance liquid chromatography of DL-diaminopimelic acid in hydrolysates of physiological samples. J. Chromatography 496: 430-434.

Tamminga, S., Robinson, P.H., Meijs, S., Boer, H. 1989. Feed components as internal markers in digestion studies with dairy cows. Anim. Feed Sci. Technol. 27: 49-57.

Krishnamoorthy, U., Singh, C.K., Robinson, P.H. 1987. Acid detergent fibre and acid detergent insoluble nitrogen content of some ruminant feedstuffs. Ind. J. Dairy Sci. 40: 460-462.

Robinson, P.H., Brice, R.E., Morrison, I.M. 1987. Effect of straw treatment and laboratory of incubation on degradation of neutral detergent residue in the rumen. Anim. Feed Sci. Technol. 18: 75-82.

Robinson, P.H., Fadel, J.G., Tamminga, S. 1986. Evaluation of mathematical models to describe neutral detergent residue in terms of its susceptibility to degradation in the rumen. Anim. Feed Sci. Technol. 15: 249-271.

Robinson, P.H., Smith, D.F., Sniffen, C.J. 1985. Development of a one-piece reentrant cannula for the proximal duodenum of dairy cows. J. Dairy Sci. 68: 857-867.

Vitamins

Gomez, N.A., Conley, A.J., and Robinson, P.H. 2018. Effects of long-term, near-term, and real-time energy balance, and blood progesterone concentrations, on the pregnancy rate of contemporary dairy cows. Anim. Reprod. Sci. 189-145

Havlin, J.M., Robinson, P.H., and Garrett, J.E. 2017. Niacin feeding to fresh dairy cows: immediate effects on health and milk production. Anim. Prod. Sci, 57: 1069-1078.

Wrinkle S.R., Robinson P.H., Garrett J.E. 2012. Niacin delivery to the intestinal absorptive site impacts heat stress and productivity responses of high producing dairy cows during hot conditions. Anim. Feed Sci. Technol. 175:33-47.

Juchem, S.O., Robinson, P.H., Evans, E. 2012. A fat based rumen protection technology post-ruminally delivers a B vitamin complex to impact performance of multiparous Holstein cows. Anim. Feed Sci.Technol. 174: 68-78.

Sacadura, F.C., Robinson, P.H., Evans, E., Lordelo, M. 2008. Effects of a ruminally protected B-vitamin of lactating dairy cows. Anim. Feed Sci. Technol. 144: 111-124.

Christodoulou, V., Bampidis, V.A., Lymberopoulous, A.G., Robinson, P.H, Ploumi, K., Belibasaki, S. 2006. Effect of supplemental dietary biotin on performance of lactating ewes. Anim.Feed Sci. Technol. 130: 268-276.