Peter S. Erickson

Peter EricksonProfessor

Extension Dairy Specialist

Keener Dairy Research Building

30 O'Kane Road
(603) 862-1909

Educational Background:

Ph.D., University of Illinois at Urbana, 1989

M.S., University of Maine at Orono, 1984

B.S., University of Massachusetts at Amherst, 1982

Courses Taught:

Physiology of Lactation (ANSC 715/815); Advanced Dairy Management I (ANSC 727/827); Advanced Dairy Management II (ANSC 728/828); Technical Writing in Animal Science (ANSC 543); Dairy Nutrition (ANSC 710/810); Dairy Industry Travel Course (ANSC 650).

General Area of Interest and/or Specialty:

Dairy cattle nutrition and heifer development.

Description of current research and/or professional activities:

My research interests encompass the area of calf and heifer nutrition. Specifically, our laboratory investigates in the area of calf health.

Representative Publications:

Journal Articles

K.E. Cowles, R.A. White, N.L. Whitehouse, and P.S. Erickson. 2006. Lactoferrin Addition to an Intensified Milk Replacer Feeding Regimen. J. Dairy Sci. In press .

E.D. Reid, P.S. Erickson, S. Hodgdon, E. Lennon, and P. C. Tsang. 2006. Chlorteracycline supplementation of yearling dairy heifers. J. Animal Science. In press.

Santoro, H.M., P.S. Erickson, N.L. Whitehouse, A.M. McLaughlin, C.G. Schwab, J.J. Rejman, and R.E. Rompala. 2004. Evaluation of a colostrum supplement, with or without a trypsin inhibitor, and an egg protein milk replacer for dairy calves. J. Dairy Sci. 87:1739-1746.

Robblee, E.D., P.S. Erickson, N.L. Whitehouse, A.M. McLaughlin, C.G. Schwab, J.J. Rejman, and R.E. Rompala. 2003. Supplemental lactoferrin improves health and growth of Holstein calves during the preweaning phase. J. Dairy Sci. 86:1458-1464.

Erickson, P.S., M.L. Davis, K. Pastir, C. Murdock, M.R. Murphy, C.G. Schwab, and J. I. Marden. 2003. Ionophore taste preferences of dairy heifers. J. Anim. Sci. 82:3314-3320.

Erickson, P.S., E.D. Robblee, K.M. Sayer, N.L. Whitehouse, and D.A. Spangler. 2003. Storing fermented, bacteria-inoculated corn silage in piles and re-treating with a bacterial inoculant does not reduce corn silage decomposition. (In final stages of preparation before submission to Anim. Feed Sci. Technol.)

Joslin, R.S., P.S. Erickson, H.M. Santoro, N.L. Whitehouse, C.G. Schwab, and J.J. Rejman. 2002. Lactoferrin supplementation to dairy calves. J. Dairy Sci. 85:1237-1242.

McLaughlin, A.M., P.S. Erickson, J.S. Hussey, E.D. Reid, and J.A. Tanguay. 2002. Case Study: NaCl addition to the top layer of corn ensiled in bunker silos. Prof. Anim. Sci. 18:90-92.

Erickson, P.S., M. R. Murphy, J. M. Campbell, and S. W. Nombekela. 2000. Lasalocid supplementation of dairy cow diets in early lactation. Prof. Anim. Sci. 16:196.

Knowlton, K. F., M. S. Allen, and P. S. Erickson. 1996. Lasalocid and particle size of corn gain for dairy cows in early lactation. 1. Effect on performance, serum metabolites, and nutrient digestibility. J. Dairy Sci. 79:557.

Knowlton, K. F., M. S. Allen, and P. S. Erickson. 1996. Lasalocid and particle size of corn grain for dairy cows in early lactation. 2. Effect on ruminal measurements and feeding behavior. J. Dairy Sci. 79:565.

Erickson, P. S., M. R. Murphy, and J. H. Clark. 1992. Supplementation of dairy cow diets with calcium salts of long-chain fatty acids and nicotine acid in early lactation. J. Dairy Sci. 75:1078.

Lucy, M. C., C. R. Staples, W. W. Thatcher, P. S. Erickson, R. M. Cleale, J. L. Firkins, J. H. Clark, M. R. Murphy, and B. O. Brodie. 1992. Influence of diet composition, dry matter intake, milk production and energy balance on time of postpartum ovulation and fertility in dairy cows. Anim. Prod. 54:323.

Erickson, P. S., M. R. Murphy, C. S. McSweeney, and A. M. Trusk. 1991. Niacin absorption from the rumen. J. Dairy Sci. 74:3492.

Erickson, P. S., A. M. Trusk, and M. R. Murphy. 1990. Effects of niacin source on epinephrine stimulation of plasma nonesterified fatty acid and glucose concentrations, on diet digestibility and on rumen protozoal numbers in lactating dairy cows. J. Nutr. 120:1648.

Erickson, P. S., D. J. Schauff, and M. R. Murphy. 1989. Diet digestibility and growth of Holstein calves fed acidified milk replacers containing soy protein concentration. J. Dairy Sci. 72:1528.

Erickson, P. S. and B. A. Barton. 1987. Whole soybeans for market lambs. J. Anim. Sci. 64:1249.

Erickson, P. S., M. R. Murphy, and C. L. Davis. 1986. Malt sprouts as a source of supplemental protein for ruminants. J. Dairy Sci. 69:2959.


Peters, R.R.*, M.L. O’Connor, L.J. Hutchinson, M.L. Westendorf, E.A. Claypoole, G.W. Anderson, D.P. Marcinkowski, W.E. Graves, S.M. Andrew, W.L. Shockey, P.S. Erickson, and J.W. Barlow. 2003. Regionalization of dairy extension in-service training in the Mid-Atlantic and Northeast states. J. Dairy Sci. 86 (Suppl. 1):359.

Robblee, E.D.*, P.S. Erickson, N.L. Whitehouse, A.M. McLaughlin, C.G. Schwab, J.J. Rejman, and R.E. Rompala. 2002. Supplemental lactoferrin improves performance of dairy calves during the preweaning phase. J. Dairy Sci. 85 (Suppl. 1):57.

McLaughlin, A.M.*, N.L. Whitehouse, E.D. Robblee, R.S. Ordway, C.G. Schwab, P.S. Erickson, and D.E. Putnam. 2002. Evaluation of ruminally unprotected lysine as a source of metabolizable lysine for high producing cows. J. Dairy Sci. 85 (Suppl. 1):23.

Joslin, R.S., H.M. Santoro, N.L. Whitehouse, J.J. Rejman, P.S. Erickson*, and C.G. Schwab. 2000. The effects of supplemental lactoferrin on calf performance. J. Dairy Sci. 83 (Suppl. 1):250.

Cole, S. L., C. G. Schwab, B. D. Garthwaite, N. L. Whitehouse, P.S. Erickson, T. P. Fairchild, and P. C. Hoffman. 2000. Variable amounts of ruminally degradable and undegradable protein for post-weaned dairy heifers.

Erickson, P.S., N. L. Whitehouse, O. A. Ayangbile, D. A. Spangler, A. Gotlieb, and C. G. Schwab. 2000. Effects of activated carbon on performance and apparent total tract nutrient digestibility of dairy cows fed poorly fermented corn silage. J Dairy Sci. 83 (Suppl. 1):273-274.

Shah, M. A. P., M. R. Murphy, R. N. Corley, III, C. Cain, V. M. Carson, N. L. Whitehouse, P.S. Erickson, and C. G. Schwab. 1998. Analysis of day-to-day variation in the feed intake of lactating dairy cows. J. Dairy Sci. 81 (Suppl. 1):314.

Erickson, P.S., L. A. Peterson, R. M. Miller, and M. E. Branine. 1994. Effects of dietary potassium level and lasalocid on growth and intake of receiving cattle. J. Anim. Sci. 72 (Suppl. 1): 367.

Additional Information:

In addition to serving as the Coordinator of the UNH Dairy Management Curriculum, I also serve as an Extension Dairy Specialist.