Education
- Ph.D.,
University of Minnesota, 1978
- M.S., University of Minnesota, 1973
- B.S., University of Minnesota, 1970
Teaching
Responsibilities
- ANSC 4403
Ruminant Nutrition (Co-instructor)
- ANSC 4404 Applied Dairy Nutrition
- ANSC 4604 Dairy Production Systems Management (Lecturer)
- VM 6816 Applied Dairy Nutrition (Lecturer - Summer Intersession)
Graduate
Students
- Ebener Ballinger,
M.S. (completed May 2005)
- Gregory L. Golombeski, Ph.D.
- Mary L. Raeth-Knight, M.S.
- Jessica P. Wakker, M.S.
Outreach
Programs
State specialist
with responsibility for extensive educational programs in dairy cattle
nutrition, feeding management, and replacement heifer nutrition and
management.
Awards
Outstanding Graduate
Faculty Member, Department of Animal Science, 2001.
Professional
and Honorary Memberships
- Member,
American Dairy Science Association
- Board Member, American Dairy Science Association
- Member, American Society of Animal Science
- Member, Minnesota Milk Producers Association
Affiliated
Centers/Organizations/Appointments
- Member of ADSA,
ASAS Secretary
to be of ADSA production division
- Member
of current NRC committee on dairy cattle nutrition
Publications
(2002-2006)
- Refereed Articles -
Nennich, T.D., J.G. Linn, D.G. Johnson, M.I. Endres, and H.G. Jung. 2003. Comparison of feeding corn silages from leafy or conventional corn hybrids to lactating dairy cows. J. Dairy Sci. 2003 86: 2932-2939.
- Book Chapters -
Linn, J.G. 2006. Nitrate and Nitrite. In Mineral Tolerance of Animals, 2nd Revised Ed. Committee on Minerals and Toxic Substances in Diets and Water for Animals - National Research Council. National Academy Press. Washington, D.C. pp. 453-468.
Linn, J.G. 2005. Potassium. In Mineral Tolerance of Animals, 2nd Revised Ed. Committee on Minerals and Toxic Substances in Diets and Water for Animals - National Research Council. National Academy Press. Washington, D.C. pp. 306-321.
Linn, J.G. 2005. Vanadium. In Mineral Tolerance of Animals, 2nd Revised Ed. Committee on Minerals and Toxic Substances in Diets and Water for Animals - National Research Council. National Academy Press. Washington, D.C. pp. 398-412.
Linn, J.G. and L.P. Santosh. 2005. Water Quality. In Mineral Tolerance of Animals, 2nd Revised Ed. Committee on Minerals and Toxic Substances in Diets and Water for Animals - National Research Council. National Academy Press. Washington, D.C. pp. 469-476.
- Invited Papers and Conference Proceedings -
Chester-Jones, H. and J. Linn. 2005. Effect of nutrition and management of dairy heifers on resultant cow longevity. Proc. 66th MN Nutrition Conf., St. Paul, MN. Sep. 21-22.
Chester-Jones, H., D. Ziegler, B. Ziegler, C. Soderholm, R. Larson, and S. Hayes. 2005. Growth and performance of commercial dairy calves at the University of MN Southern Research and Outreach Center. Proc. Four-State Dairy Nutrition and Management Conf., Dubuque, IA. pp. 265-270.
Linn, J. 2005. Manganese and arsenic in water for dairy cattle. 2005. Proc. Four-State Dairy Nutrition and Management Conf., Dubuque, IA. pp. 117-120.
Linn, J. 2005. TMR feeding management guide. Proc. Dairy Nutrition and Management Conf., Guangdong, China. pp. 1-38.
Linn, J., M. Raeth-Knight, and D. Casper. 2005. Use of feed efficiency to evaluate performance of lactating dairy cows. Calif. Animal Nutrition Conf., Fresno, CA.
Jung, H., M. Raeth-Knight, and J. Linn. 2004. Forage fiber digestibility: Measurement, variability and impact. Proc., 65th Minnesota Nutrition Conf., St. Paul, MN. Sep. 21-22. pp. 105-125.
Linn, J. 2004. Feeding high corn silage diets to dairy cattle. Proc., New England Feed Dealer Meetings. March 2004. 12 pages.
Linn, J.G. 2004. Impact of minerals in water on ruminant production. Invited Speaker, 2004 ADSA/ASAS Meeting, St. Louis, MO. July 25-29.
Linn, J., M. Terre Trulla, D. Casper, and M. Raeth-Knight. 2004. Feed efficiency of lactating dairy cows. Proc., 65th Minnesota Nutrition Conf., St. Paul, MN. Sep. 21-22. pp. 38-46.
Chester-Jones, H., R. Hall, B. Perry, D. Ziegler, J. Linn, and A. DiCostanzo. 2003. Effects of early calf nutrition on Holstein steer performance and carcass characteristics. MN Cattle Feeder Rep. B-494.
Linn, J. 2003. Energy in the 2001 Dairy NRC: Understanding the system. Minnesota Dairy Herd Health Conf. College of Veterinary Medicine, University of Minnesota, St. Paul. pp. 102-110.
Linn, J. 2003. Making high corn silage diets work. Proc. Minnesota Dairy Conf. and Dairy Expo., St. Cloud, MN. pp. 58-63.
Linn, J. 2003. Minerals in forages: Cow considerations. Proc. Four-State Forage Conf. pp. 31-36.
Linn, J.G. and M.I. Endres. 2003. Dry matter intake of group fed lactating dairy cows. In: Proc. Four-State Applied Nutrition and Management Conf., LaCrosse, WI. July 9-10, 2003. pp. 169-174.
Salfer, J., V. Oraskovich, M. Endres, and J. Linn. 2003. Keys to success in your dairy business: Cow health. Proc. 2003 Minnesota Dairy Days. pp. 3-9.
Allen, D. and J. Linn. 2002. Dry matter intake of lactating dairy cows. Proc. 63rd Minnesota Nutrition Conf., Eagan, MN. Sep. 17-18, 2002. pp. 86-98.
Linn, J. 2002. Calf nutrition and management for dairy producers. MN Milk Producers Association Annual Meeting, St. Cloud, MN. March 2002.
Linn, J. 2002. How the ruminant animal uses alfalfa. Alfalfa Intensive Training Seminar. March 2002. Bloomington, MN.
Linn, J. 2002. Increasing alfalfa in ruminant diets. Alfalfa Intensive Training Seminar, Bloomington, MN. March 2002.
Linn, J. 2002. Protein in feed, milk and manure of dairy cattle. Proc. Four-State (IA, IL, MN, WI) Dairy Management Seminar: Feeding and Management Practices to Maximize Profitability. Midwest Plan Service Publ. 4SD12. pp. 39-46.
Linn, J. and M. Raeth-Knight. 2002. Forage quality for dairy cows. Proc. ANEMBE (Spanish Veterinary Medical Association), Madrid, Spain.
Linn, J. and M. Raeth-Knight. 2002. Water quality and quantity for dairy cattle. Proc. ANEMBE (Spanish veterinary Medical Association), Madrid, Spain.
Linn, J., and M. Raeth-Knight. 2002. Water quality for dairy cattle. Proc. Four-State (IA, IL, MN, WI) Dairy Management Seminar: Feeding and Management Practices to Maximize Profitability. Midwest Plan Service Publ. 4SD12. pp. 1-5.
Linn, J., J. Salfer, and J. Paulson. 2002. Evaluation of the 2001 Dairy NRC energy and protein requirements. Proc. 63rd Minnesota Nutrition Conf. and Pre-conference Symp. Sep. 17-18, 2002. pp. 98-112.
- Research Reports Published in Extension Publications -
Chester-Jones, H., R. Hall, B. Perry, D. Ziegler, J. Linn, and A. DiCostanzo. 2004. Effects of an intensive feeding program for Holstein bull calves from 1 week to 12 weeks of age on pre- and immediate post-weaning growth and subsequent overall feedlot performance and carcass characteristics. In: Proc. 2004 Minnesota Dairy Days. pp. 35-44.
Heins, B.J., D.G. Johnson, J.G. Linn, W.P. Hansen, A.J. Seykora, and LB. Hansen. 2004. Crossbreeding at the University of Minnesota. In: Proc. 2004 Minnesota Dairy Days. pp. 32-34.
Allen, D.M., C.S. Kuehn, J.G. Linn, W.P. Hansen, H.G. Jung, M.I. Endres, and M.L. Raeth-Knight. 2003. Effect of feeding different levels of forage NDF from corn silage in diets of lactating dairy cows. In: Proc. 2003 Minnesota Dairy Days. pp. 43-45.
Nennich, T.D., J.G. Linn, D.G. Johnson, M.I. Endres, H.G. Jung, and M.L. Raeth-Knight. 2003. Comparison of feeding corn silage from leafy or high grain corn hybrids to lactating dairy cows. In: Proc. 2003 Minnesota Dairy Days. pp. 40-42.
Torbert, L.A., J.G. Linn, M.L. Raeth-Knight, and K.S. Davis. 2003. Effects of protein supplementation during lactation on milk yield of primiparous Holstein cows. In: Proc. 2003 Minnesota Dairy Days. pp. 46-48.
Visser, B.M., J.G. Linn, S.M. Godden, and M.L. Raeth-Knight. 2003. Effects of prefresh diet and post parturition drenching on early lactation performance multiparous Holstein cows. In: Proc. 2003 Minnesota Dairy Days. pp. 37-39.
Kuehn, C.S., J.G. Linn, D.G. Johnson, H.G. Jung, and M.I. Endres. 2002. Effect of feeding corn hybrids selected for leafiness or grain to lactating dairy cattle. In: Proc. 2002 Minnesota Dairy Days. pp. 63-66.
Linn, J. 2002. Research activities at the St. Paul Dairy Barn. In: Proc. 2002 Minnesota Dairy Days. p. 74.
Nennich, T.D., J.G. Linn, H.G. Jung, and J.M. Akayezu. 2002. A field study on brown midrib corn silage. In: Proc. 2002 Minnesota Dairy Days. pp.61-62.
Olson, W.G., N. Auza, M. Schmitt, H. Chester-Jones, J.G. Linn, and M.J. Murphy. 2002. Survey of copper and other minerals in Minnesota Holstein dairy cattle: Soil, feed and liver concentrations. In: Proc. 2002 Minnesota Dairy Days. pp. 79-84.
Olson, W.G., N. Auza, M. Schmitt, H. Chester-Jones, J.G. Linn, and M.J. Murphy. 2002. Survey of heavy metals in Minnesota Holstein dairy cattle: Soil, feed and liver concentrations. In: Proc. 2002 Minnesota Dairy Days. pp. 77-78.
Quigley, J.D., H. Chester-Jones, G.D. Marx, J.G. Linn, D.M. Allen, D.M. Ziegler, and W.B. Hansen. 2002. Effects of processed erythrocyte protein (PEP) in milk replacers fed with 0 or 25% alfalfa leaf meal in calf starters on pre-weaning growth, health and efficiency of dairy calves. In: Proc. 2002 Minnesota Dairy Days. pp. 85-87.
- Abstracts -
Chase, L., M.L. Raeth-Knight, J.G. Linn, and W. Mahanna. 2005. Dairy nutrition survey on forage carbohydrate analysis: Implications for methodology application. J. Dairy Sci. 88(Suppl. 1):347. Abstr. 534.
Linn, J., C. Soderholm, R. Larson, D. Ziegler, and H. Chester-Jones. 2005. Performance of Holstein heifer calves fed three different concentrate grower diets with hay-free choice. J. Dairy Sci. 88(Suppl. 1):175. Abstr. T173.
Mertens, D.R., H.G. Jung, M.L. Raeth-Knight, and J.G. Linn. 2005. Impact of alfalfa hay neutral detergent fiber concentration and digestibility on Holstein dairy cow performance: I. Hay analysis and lactation performance – USDFRC. J. Dairy Sci. 88(Suppl. 1):250. Abstr. 429.
Raeth-Knight, M.L., J.G. Linn, H.G. Jung, D.R. Mertens, and P.R. Peterson. 2005. Impact of alfalfa hay neutral detergent fiber concentration and digestibility on Holstein dairy cow performance. J. Dairy Sci. Vol. 88, No. 5. p. 1924. Abstr. 272.
Raeth-Knight, M. L., J.G. Linn, H.G. Jung, D.R. Mertens, and P.R. Peterson. 2005. Impact of alfalfa hay neutral detergent fiber concentration and digestibility on Holstein dairy cow performance: II. Lactation performance- St. Paul. J. Dairy Sci. 88(Suppl. 1):250. Abstr. 430.
Raeth-Knight, M. L., J.G. Linn, H.G. Jung, D.R. Mertens, and P.R. Peterson. 2005. Impact of alfalfa hay neutral detergent fiber concentration and digestibility on Holstein dairy cow performance: III. Diet digestibility - St. Paul. J. Dairy Sci. 88(Suppl. 1):250. Abstr. 431.
Raeth-Knight, M.L., P.R. Peterson, H.G. Jung, J.G. Linn, and D.R. Mertens. 2005. The effects of alfalfa hay neutral detergent fiber concentration and digestibility on Holstein dairy cow performance. Proc. American Forage and Grassland Council Conf. Presented June 2005 in Bloomington, IL. p. 113.
Raeth-Knight, M.L. K.M. Steffenhagen, and J.G. Linn. 2005. Effect of manganese in water on the performance of dairy calves from birth to 70 days of age. J. Dairy Sci. 88(Suppl. 1):60. Abstr. M207.
Ziegler, D., H. Chester-Jones, B. Ziegler, R. Larson, and J. Linn. 2005. Performance of Holstein heifer calves fed texturized calf starters varying in molasses content. J. Dairy Sci. 88(Suppl. 1): 175. Abstr. T175.
Ziegler, B., J. Linn, D. Ziegler, H. Chester-Jones, C. Soderholm, and S. Hayes. 2005. The effect of milk replacer protein, fat content and feeding amount on performance of Holstein heifer calves. J. Dairy Sci. 88(Suppl. 1):56. Abstr. M193.
Linn, J.G. and M.L. Raeth-Knight. 2004. Impact of minerals in water on ruminant production. J. Dairy Sci. 87(Suppl. 1):116. Abstr. 162.
Raeth-Knight, M.L. and J.G. Linn. 2004. Effects of Lactobacillus acidophilus and propionibacterium freudenreichi on performance and rumen characteristics of Holstein dairy cows in mid-lactation. J. Dairy Sci. 87(Suppl. 1):464. Abstr. 941.
Seykora, A.J., B.J. Heins, L.B. Hansen, J.G. Linn, D.G. Johnson, and W.P. Hansen. 2004. Effect of Holstein females carrying Holstein versus Jersey sired calves on subsequent ME Milk, days open, and involuntary culling. J. Dairy Sci. 87(Suppl. 1):282. Abstr. 527.
Hammell, E.E., M.L. Raeth-Knight, E. Ballinger, J.G. Linn, A.J. Seykora, and L.B. Hansen. 2003. Performance of Holstein and Holstein-Jersey crossbred heifer calves when using an intensive feeding program from birth to 84 days of age. J. Dairy Sci. 86(Suppl. 1):173. Abstr. 687.
Heins, B.J., A.J. Seykora, L.B. Hansen, J.G. Linn, D.G. Johnson, and W.P. Hansen. 2003. Effects of mating Holstein females to Holstein versus Jersey AI sires on fertility, dystocia, calf weight and retained placenta. J. Dairy Sci. 86(Suppl. 1):130. Abstr. 515.
Raeth-Knight, M. L., J.G. Linn, D.G. Johnson, L.B. Hansen, A.J. Seykora, B.J. Heins, and R.M. Templeton. 2003. Performance of Holstein and Holstein-Jersey crossbred heifer calves from birth to 84 days of age. J. Dairy Sci. 86(Suppl. 1):22. Abstr. 87.
Visser, B.M., J.G. Linn, S.M. Godden, and M.L. Raeth-Knight. 2003. Effects of prepartum diet and postpartum drenching production performance and blood parameters of early lactation primiparous and multiparous Holstein cows. J. Dairy Sci. 86(Suppl. 1):104. Abstr. 414.
Chester-Jones, H., J.G. Linn, G.D. Marx, W.G. Olson, M.C. Jacobson, D.M. Ziegler, K. Brokken, W. Bommeisiek, and D.A. Vermeire. 2002. Use of organically complexed trace minerals in lactating dairy cow diets. J. Dairy Sci. 85(Suppl. 1):365. Abstr. 1465.
Templeton, R.M., J.G. Linn, A.J. Seykora, and B.J. Heins. 2002. Comparison of Holstein and Holstein-Jersey crossbred heifer calves for body weight, hip height and average daily gain from birth to 56 days of age. J. Dairy Sci. 85(Suppl. 1):407. Abstr. 1634.
Torbert, L.A., J.G. Linn, D.J. Johnson, G.J. Coumo, H. Chester-Jones, and M.L. Raeth-Knight. 2002. Effects of raising regime on milk yield of primiparous Holstein cows. J. Dairy Sci. 85(Suppl 1):42. Abstr. 163.
Torbert, L.A., J.G. Linn, M.L. Raeth-Knight and K.S. Davis. 2002. Effects of protein supplementation during lactation on milk production of primiparous Holstein cows. J. Dairy Sci. 85(Suppl. 1):73. Abstr. 293.
Visser, B.M., J.G. Linn, S.M. Godden, and M.L. Raeth-Knight. 2002. Effects of prefresh diet and post parturition drenching on early lactation performance of multiparous Holstein cows. J. Dairy Sci. 85(Suppl. 1):111. Abstr. 741.
- Newsletters -
Linn, J. and M. Raeth-Knight. 2003. Nutrition and reproduction. Hubbard News. Vol. 4, Feb.
Linn, J. and M. Raeth-Knight. 2003. Feed efficiency conundrum. Hubbard News. Vol. 5, March.
Linn, J. and M. Raeth-Knight. 2003. Heat stress in dairy cows. Hubbard News. Vol. 6, May.
Linn, J. and M. Raeth-Knight. 2003. Phosphorus facts. Hubbard News. Vol. 7.
Linn, J. 2003. Good nutrition helps fight mastitis. Dairy Initiatives Newsletter. Vol. 12, Issue 1. Spring 2003. Department of Animal Science, University of Minnesota, St. Paul.
Nennich, T. and J. Linn. 2002. Brown midrib and leafy corn silage hybrids. Forage Update. January Issue. Minnesota Forage and Grassland Council.
Salfer, J. and J. Linn. 2002. Winter feeding strategies for dairy cows. Forage Update. November Issue. Minnesota Forage and Grassland Council.
- Popular Press -
Dairy Health and Nutrition: Nutrient Requirements of Dairy Cattle. Feedstuffs Reference Issue - Published annually.
Linn, J. 2005. Relating NDF digestibility to milk production. Dairy Today. Feb.
Linn, J. 2005. Feed efficiency in dairy cattle. Dairy Star. Feb. 25.
Linn, J. 2005. What about Rumensin? Dairy Star. March 25.
Linn, J. 2005. Plan for your alfalfa harvest. Dairy Star. April 25.
Linn, J. 2005. Cottonseed – The south feed that came north. Dairy Star. May 25.
Linn, J. 2005. Nutrition update from the 4-State meeting. Dairy Star. June 25.
Linn, J. 2005. Heat checking your feeding program. Dairy Today. June/July.
Linn, J. 2005. Assessing and feeding low quality forage. Dairy Star. July 25.
Linn, J. 2005. Corn silage from field to feed. Dairy Star. Aug. 25.
Linn, J. 2005. Check mineral balances in closeup diets. Dairy Star. Sep. 25.
Linn, J. 2005. How much should you feed a calf? Dairy Star. Oct. 25.
Linn, J. 2005. Know your P’s (phosphorus) and their Q’s (quantities). Dairy Star. Nov. 25.
Linn, J. 2005. Cold weather calf feeding. Dairy Star. Dec. 25.
Linn, J. and M. Raeth-Knight. 2003. Water quality can hurt production. Hoard's Dairyman. Feb. 10.
Linn, J. 2003. Diet: Limited help during heat stress. Dairy Today. May.
Linn, J. 2003. Straw for dairy cattle. Dairy Today. Oct.
Linn, J.G. 2002. Pricing corn silage. Dairy Today. March.
Linn, J. 2002. Trace minerals in transition cows - Consistency counts. Feed Management. March.
Linn, J. 2002. Help your feeder feed. Dairy Today. December.
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