Extension Publications

Dairy Cows

Selected Extension Publications

Chemical Components of Feedstuffs

Robinson, P.H. 2012. Did the wet weather increase mycotoxins in your silage? California Dairy: April 2012. pp 4-5.

Robinson, P. H. 2009.Can manipulating ration metabolizable amino acid levels really be expected to effect environmental impacts of cows? In: Proc. 24th Nutrition and Management Conference. Tempe, AZ, Feb. 26, 27 (2009). pp115-145.

Robinson, P.H. 1999. Neutral detergent fiber (NDF) and its role in alfalfa analysis. In: Proc. 29th California Alfalfa Symposium, Fresno (California) December 8-9, 1999. pp 60-67.

Robinson, P.H., Putnam, D.E., and Mueller, S. 1998. Interpreting your forage test report. California Alfalfa and Forage Review 1:2:2-3.

Robinson, P.H.1998. Nitrates in Feed: Cause for concern? The Western Dairyman 79:8 C6-C8.

Robinson, P.H. 1998. Preventing nitrate toxicity. California Dairy 7:4:8-9.

Robinson, P.H. 1998. Understanding nitrates in dairy cattle. California Dairy 7:3:10,13.

Robinson, P.H., and McQueen, R.E. 1989. Non-structural carbohydrates in rations for dairy cows. In: Proc. Tenth Western Nutrition Conference, University of Saskatchewan, Saskatoon, Saskatchewan. pp. 153-167.

Dry Cows

Robinson, P.H. and Moorby, J.M. 2001. Days on close-up ration affected how well cows did. Hoards Dairyman 146:5:196.

Robinson, P.H. and Moorby, J.M. 1998. A survey of dry cow management and feeding strategies. California Dairy 7:11: 13 & 16-17.

Robinson, P.H. 1998.Early dry and transition dairy cow management strategies. California Dairy 7:10: 8-9 & 16.

Robinson, P.H. 1998.Nutrition of early dry transition dairy cows. California Dairy 7:8: 10-11 & 14.

Environmental Impact

Robinson, P.H, Swanepoel, N., Meyer, D. 2015. Real 'shrink' in corn silage piles. Progressive Dairyman on-line.

Burgos, S.A., Robinson, P.H., Fadel, J.G., and DePeters, E.J. 2004. Ammonia volatilization and California dairies: Assessing urine urea excretion. California Dairy 13:15 8-9.

Burgos, S.A. and Robinson, P.H. 2003. Ammonia volatilization and California dairies. California Dairy 12:9:13-14.


Robinson, P.H. and Oketsu, Y. 2019. Reduce sillage loss at the exposed face. Hay Forage Grower, Feb. 2019, pp 30-31.

Robinson, P.H. 2013. DDGS: DDGS: Nutrient profiles, variability . Dairy Business West 94:11:CA2.

Robinson, P.H. 2013. DDGS: It's a new generation. Dairy Business West 94:9:CA1

Robinson, P.H. 2012. Feeding silage for production and health. In: Proc. UCCE Silage Day. Modesto, CA, USA. pp 4-7.

Nader, G., Robinson, P.H. and Santos, M. 2008. Rice straw use in dairy heifer rations. Cal. Dairy 17(5) 11.

Nader, G., and Robinson, P.H.. 2006. California Rice Hay. An Opportunity feed for California dairies? California Dairy 15:5:6-7.

Robinson, P.H., Coller, C. Nader, G., and Putnam, D. 2004. UC Davis Recommended Forage Energy Predication Equations. California Dairy 13:7: 4,13.

Getachew, G., Robinson, P.H., and DePeters, E.J. 2004. In vitro gas production provides effective method for assessing ruminant feeds. Cal Agriculture 58:1:54-58

Robinson,P. H. 2003. Estimating alfalfa hay and corn silage energy levels. California Dairy 12:6:8-9.

Robinson, P.H. 2002. Yeast products for growing and lactating cattle: Impacts on rumen fermentation and performance. In: Proc xii International meeting in milk and meat production in hot climates. Mexicali, Mexico.

Robinson, P.H.and Getachew, G. . 2002. A Practical Gas Production Technique to Determine the Nutritive Value of Forages: The UC Davis Approach. National Forage Testing Association Annual Meeting. Des Moines, IA.

Robinson, P.H. 2001. Estimating the energy value of corn silage and other forages. In: Proc. 31th California Alfalfa Symposium. Modesto (CA) December 12-13, 2001.

Robinson, P.H. 2000. Predicting the Energy Value of Feeds. Hoard's Dairyman, March 10, pp 187.

Fadel, J.G., Robinson, P.H., and DePeters, E.J. 1998. Feeding By-Products to Cattle. In: Proc. 13th Southwest Nutrition and Management Conference. Ed: D. Romagnolo, Phoenix, AZ. pp 17-30.

Feeding Management

Robinson, P.H. 2015. Extending limited feed resources in times of drought. California Dairy 24:4:15.

Robinson, P.H. 2012. Dry matter intake: Is higher always better? Hoards West, June 2012.

Tully, J., Robinson, P.H., and DePeters, E.J. 2010. EBS: Empty bunk syndrome. Western Dairy Business Sect. 2010, pp 14 and 16.

Berg, J., Robinson, P. H.,and Giraud, D. 2005. Raising Dairy Kid Goats. UC DANR Publication 8160. DANR, Oakland, CA. 20pp.

Robinson, P.H., and Ahmadi, A. 2005. PCDairy WIN05. California Dairy 14:3: 10-18.

Robinson, P.H. 2001. Here's a new way to predict intake. Hoards Dairyman 146:11:414.

Robinson, P.H. 2000. Nutritional Management Practices Worth Adopting from California. Advances in Dairy Technology (2000) Volume 12, pp 17-25. University of Alberta, Edmonton, Alberta, Canada.

Robinson, P.H. 1999. Feeding strategies for heat stressed dairy cows. California Dairy 8:6: 6-7 & 17.

Robinson, P.H. 1992. How you feed can be as important as what you feed. In: Advances in Dairy Technology, Vol. 4, pp 106-112. Ed: J.J. Kennelly. Department of Animal Science, University of Alberta, Edmonton, Alberta.

Robinson, P.H. 1992. Matching energy and protein for rates of rumen digestion. In: Advances in Dairy Technology, Vol. 4, pp 84-94. Ed: J.J. Kennelly. Department of Animal Science, University of Alberta, Edmonton, Alberta.

Gill, M., Robinson, P.H., and Kennelly, J.J. 1990. Timing of feeding. In: Advances in Dairy Technology, Vol. 2, pp 119-128. Eds: J.J. Kennelly and J. Martin. Department of Animal Science, University of Alberta, Edmonton, Alta.


Collar, C. and Robinson, P.H. 2014. Sorghum - Drought Year Forage of Choice? California Dairy. April. pp12-13.

Robinson, P.H.2013. The conundrum of forage fiber in dairy rations. In: Cool Forages: Advanced Management of Temperate Forages. Eds: S. Bittman and D. Hunt. Pacific Field Corn Association, Agassiz, BC., Canada. pp 167-170.

Nader, G. A., Robinson, P.H., and DePeters, E.J. 2010. Rice Producers' Guide to Marketing Rice Straw. UCD Agriculture and Natural Resources. Publication # 8425. October 2010.

Putnam, D.H., Robinson, P.H. and DePeters, E.J. 2008. Forage quality and testing. Chapter 16 in: Irrigated Alfalfa Management for Mediterranean and desert zones. Div. of Agric. and Nat. Res., Univ. California, Oakland, CA, USA. Publication 8302.

Robinson, P.H., and E.J. DePeters. 2002. Why Does the Dollar Value of Alfalfa Hay not Continue to Increase as its TDN Increases? In: Proceedings, 32nd California Alfalfa Symposium, 11-13 December, 2002, Reno, NV. UC Cooperative Extension, University of California, Davis.

Robinson, P.H. 1999. What makes alfalfa hay good? Hoard's Dairyman, November 1999, p 769

Robinson, P.H. and Putnam, D.H. 1999. What's all the Fuss about NDF? California Dairy 8:4: 10-11 and 20.

Robinson, P.H. 1998. What are dairy nutritionists looking for in alfalfa hay? In: Proc. 28th California/Nevada Alfalfa Symposium. Reno (Nevada) December 3-4, 1998. pp 133-139.


Jinks, A.D., Oltjen, J.W, Robinson, P.H, and Calvert, C.C. 2010. Fecal pats help to predict nutrient intake by cattle during summer on California's annual rangelands California Agriculture: 64(2) 101-105.

Robinson, P.H. 2011. B Vitamins - production study responses - the cows speak. In: Proc. 47th Eastern Nutrition Conference, Montreal, QC, Canada. pp 33-42.

Robinson, P.H., and Meyer, D. 2010. Total mixed ration (TMR) sampling protocol. ANR Publication 8413 (August2010).

Robinson, P. H. 2009. Trouble-Shooting Dairy Farms: One Man's Approach. In: Proc. OABP Conference, Guelph, Ontario, Canada, April 30 (2009)

Robinson, P.H. 2001. Locomotion scoring cows. California Dairy 9:2: 20-21.

Juarez, S.T. and Robinson, P.H. 2002. Impact of lameness on behavior and milk production of hish producing multiparous Holstein cows. Hoof Trimmers Association, Inc. Newsletter 34:10-11.

Milk Composition

Robinson, P.H. 2000. Manipulating milk protein production and level in lactating dairy cows. Advances in Dairy Technology, vol 12, pp 269-278. Department of Animal Science, University of Alberta, Edmonton, Alberta.

Robinson, P.H. 1999. Manipulating milk protein percentage and production in lactating dairy cows . Part 2 - Factors that can be manipulated. California Dairy 8:8: 4-5 and 12-13.

Robinson, P.H. 1999. Manipulating milk protein production and level in lactating dairy cows. Part 1 - Difficult to manipulate factors. California Dairy 8:7: 6-7.

Ration Evaluation

Robinson, P.H. and Swanepoel, N. 2017. Supplemental amino acids? Why not ask the cows? Prog. Dairyman 16: 116 & 118.

Robinson, P.H. 2011. Ruminally protected amino acids for dairy cows: Results of several studies in California. In: Proc. 47th Eastern Nutrition Conference, Montreal, QC, Canada. pp 183-192.

Robinson, P.H., and Erasmus, L.J. 2010. Feed efficiency and lactating cows. Expressing and interpreting it. Proc. 31st Western Nutrition Conf., Saskatoon, SK, Canada. Sept 21-23 (2010).

Robinson, P.H. and Swanepoel, N. 2008. Amino acid nutrition of lactating dairy cows: Does DDG change the picture. In: Proc. Minnesota Dairy Health Conf. May 21-22, 2008. St Paul, MN. pp 9-19.

Robinson, P.H. 1999. Evaluating the nutritional adequacy of rations in dairy cows using computer models. In: Proc. 5th Wild West Veterinary Conference. WWVC, Sacramento, CA pp 98-103.

Robinson, P.H. 1999. SHIELD Dairy Ration Evaluator. California Dairy 8:1: 14-16.

Robinson, P.H. 1996. Rumen protein metabolism - predicting outflow. In: Proc. Eastern Nutrition Conference for Feed Manufacturers. Halifax, N.S. pp. 40-51.

Robinson, P.H. 1996. Protein for production and reproduction. In: Proc. 28th B.C. Dairy Short Course. Ed: R. Barker. Abbotsford, B.C. pp. 17-28.

Robinson, P.H. 1993. Rumen protected amino acids for dairy cattle: What is the future? In: Proc. 28th Pacific Northwest Animal Nutrition Conference. Ed: C. Hunt. Boise, ID. pp. 175-182.

Robinson, P.H. 1996. Feeding strategies for profit. In: Proc. 28th B.C. Dairy Short Course. Ed: R. Barker. Abbotsford, B.C. pp. 75-84.