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.

Amino Acid Nutrition

Watanabe, K., Fredeen, A.H., Chalupa, W., Julien, W.E., Sato, H., Suzuki, H., Katoh, K. and  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, and 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., and 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., and  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., and 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., and 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., and 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

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

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.

Fats and Oils

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., and 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., and 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., and 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

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

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

Feed Intake

Robinson, P.H., Burges, 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., and 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., and 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., and 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., and 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., and 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

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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and  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., and 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., and 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., and 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.

Processing of Feeds

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., and 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., and 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., and 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., and 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

Robinson, P.H., Moorby, J.M., Arana, M., and 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, and  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., and 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., and 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., and 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., and 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., and 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., and 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., and 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

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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and 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., and 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

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.