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
(2005-2009)
- Refereed Articles -
Raeth-Knight, M., H. Chester-Jones, S. Hayes, J. Linn, R. Larson, D. Ziegler, B. Ziegler, and N. Broadwater. 2009. Impact of conventional or intensive milk replacer programs on Holstein heifer performance through six months of age and during first lactation. J. Dairy Sci. 92: 799-809.
Heins, B.J., L.B. Hansen, A.J. Seykora, D.G. Johnson, J.G. Linn, J.E. Romano, and A.R. Hazel. 2008. Crossbreds of Jersey × Holstein compared to pure Holsteins for production, fertility, and body and udder measurements during first lactation. J. Dairy Sci. 91:1270-1278.
Lukas, J.M., J.K. Reneau, and J.G. Linn. 2008. Water intake and dry matter intake changes as a feeding management tool and indicator of health and estrus status in dairy cows. J. Dairy Sci. 91:3385-3394.
Raeth-Knight, M.L., J.G. Linn, and H.G. Jung. 2007. Effect of direct-fed microbials on performance, diet digestibility, and rumen characteristics of Holstein dairy cows. J. Dairy Sci. 90:1802-1809.
- 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., D.M. Ziegler, R. Larson, B. Ziegler, C. Soderholm, S. Hayes, J.G. Linn, M. Raeth-Knight, G. Golombeski, and N. Broadwater. 2008. Applied calf research from birth to six months. Proc. Four-State Dairy Nutrition and Management Conf, Dubuque, IA. Jun. 11-12. MN, IA, IL, and WI Extension Services. pp. 106-112.
Chester-Jones, H., D. Ziegler, J. Linn, M. Raeth-Knight, R. Larson, B. Ziegler, and S. Hayes. 2006. Dairy heifer calf performance to two months of age at the University of Minnesota Southern Research and Outreach Center (SROC) 2004-2006. Proc. 67th Minnesota Nutrition Conf. and Res. Update, Holiday Inn East, St. Paul, MN. Sep. 19-20.
Chester-Jones, H. and J. Linn. 2005. Calf and heifer research: Developing tomorrow’s dairy cow. University of MN Dairy Days (8 state-wide locations), Department of Animal Science, St. Paul.
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.
- Abstracts -
Golombeski, G., S. Hayes, M. Raeth-Knight, B. Ziegler, R. Larson, D. Ziegler, H. Chester-Jones, and J. Linn. 2008. Pre- and post-weaning performance and health of calves fed milk replacers supplemented with trace minerals from differing sources. J. Dairy Sci. 91(E-Suppl. 1): 466. Abstr. TH194.
Hayes, S., B. Ziegler, R. Larson, D. Ziegler, H. Chester-Jones, M. Raeth-Knight, J. Linn, and G. Golombeski. 2008. Pre- and post-weaning performance and health of calves fed different milk replacer programs using non-medicated additives and different feeding rates. J. Dairy Sci. 91(E-Suppl. 1): 465. Abstr. TH189.
Hazel, A.R., B.J. Heins, L.B. Hansen, A.J. Seykora, D.G. Johnson, J.G. Linn, and J.E. Romano. 2008. Montbeliarde-sired crossbred cows compared to pure Holstein cows for production, SCS, days open, and body condition score during their first two lactations. J. Dairy Sci. 91(Suppl. 1):762 (Oral presentation).
Heins, B.J., A.R. Hazel, L.B. Hansen, A.J. Seykora, A.R. Hazel, D.G. Johnson, J.G. Linn, and J.E. Romano. 2008. Jersey x Holstein crossbred cows compared to pure Holstein cows for production, SCS, days open, body condition score, and udder measurements during the first three lactations. J. Dairy Sci. 91(Suppl. 1):763 (Oral presentation).
Larson, R., B. Ziegler, M. Raeth-Knight, G. Golombeski, J. Linn, H. Chester-Jones, and D. Ziegler. 2008. Performance and growth of Holstein dairy heifers fed grain mixes supplemented with differing protein and non-protein nitrogen sources. J. Dairy Sci. 91(E-Suppl. 1): 466. Abstr. TH192.
Raeth-Knight, M. , B. Ziegler, R. Larson, S. Hayes, D. Ziegler, H. Chester-Jones, G. Golombeski, and J. Linn. 2008. Impact of an acidifier in milk replacer or calf starter on Holstein heifer performance and health. J. Dairy Sci. 91(E-Suppl. 1): 464. Abstr. TH188.
Ziegler, B., R. Larson, D. Ziegler, H. Chester-Jones, M. Raeth-Knight, G. Golombeski, and J. Linn. 2008. Pre- and post-weaning performance and health of calves fed texturized calf starters with different processed corn or on a different milk replacer feeding schedule. J. Dairy Sci. 91(E-Suppl. 1): 465. Abstr. TH190.
Ziegler, D., B. Ziegler, M. Raeth-Knight, R. Larson, G. Golombeski, J. Linn, and H. Chester-Jones. 2008. Performance of post weaned Holstein heifer calves transitioned to group housing using different management strategies while fed a common diet. J. Dairy Sci. 91(E-Suppl. 1): 465. Abstr. TH191.
Chester-Jones, H., D. Ziegler, R. Larson, B. Ziegler, J. Linn, M. Raeth-Knight, and G. Golombeski. 2007. Post weaning performance of Holstein dairy heifers fed diets differing in forage quality and supplemented with a low moisture block. J. Dairy Sci. 90 (Suppl. 1):553. Abstr. W282.
Hayes, S., B. Ziegler, R. Larson, H. Chester-Jones, D. Ziegler, J. Linn, M. Raeth-Knight, and G. Golombeski. 2007. Pre- and post weaning performance and health of dairy heifer calves fed milk replacers with different protein sources. J. Dairy Sci. 90 (Suppl. 1):114. Abstr. M348.
Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, A.G. Linn, and D.G. Johnson. 2007. Crossbreds of Jersey/Holstein compared to pure Holsteins for production, fertility, and udder traits during first lactation. J. Dairy Sci. 90(Suppl. 1):420.
Johnson, D.G., B.J. Heins, L.B. Hansen, A.J. Seykora, and J.G. Linn. 2007. Body weight and condition score of four dairy genetic groups in the summer or winter under low-input management. Dairy Sci. 90(Suppl. 1):540.
Ziegler, B., R. Larson, S. Hayes, H. Chester-Jones, D. Ziegler, J. Linn, M. Raeth-Knight, and G. Golombeski. 2007. Pre- and post weaning performance and health of dairy heifer calves fed milk replacers supplemented with oligosaccharides. J. Dairy Sci. 90 (Suppl. 1):113. Abstr. M347.
Ziegler, D., M. Raeth-Knight, J. Linn, G. Golombeski. R. Larson, B. Ziegler, and H. Chester-Jones. 2007. Performance of Holstein dairy heifers fed whole-shelled corn and protein pellet diets differing in protein levels. J. Dairy Sci. 90 (Suppl. 1):553. Abstr. W283.
Braman, B., S. Hayes, H. Chester-Jones, D. Ziegler, J. Linn, and B. Ziegler. 2006. Performance of dairy heifer calves fed milk replacers with equal protein and fat levels but utilizing different fat sources. J. Dairy Sci. 89 (Suppl. 1):365.
Chester-Jones, H., D. Ziegler, R. Larson, B. Ziegler, and J. Linn. 2006. Performance of Holstein dairy heifers full vs. limit fed whole-shelled corn and protein pellet diets differing in fiber levels. J. Dairy Sci. 89 (Suppl. 1):366.
Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, J.G. Linn, and D.G. Johnson. 2006. Crossbreds of Jersey/Holstein compared to pure Holsteins for production, calving difficulty, stillbirths, and fertility. J. Dairy Sci. 89(Suppl. 1):251.
Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, J.G. Linn, M.L. Raeth-Knight, and W.P. Hansen. 2006. Crossbreds of Jersey/Holstein compared to pure Holsteins for body weight, dry matter intake, feed efficiency, and body condition score. J. Dairy Sci. 89(Suppl. 1):250.
Larson, R., B. Ziegler, J. Linn, D. Ziegler, and H. Chester-Jones. 2006. Performance of Holstein dairy heifers fed concentrate diets containing dried distillers grains or urea. J. Dairy Sci. 89 (Suppl. 1):365.
Ziegler, B., R. Larson, H. Chester-Jones, D. Ziegler, J. Linn, and S. Hayes. 2006. Pre- and post weaning performance of dairy heifers fed texturized or pelleted calf starters with or without intake enhancing flavors. J. Dairy Sci. 89 (Suppl. 1):365.
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.
Johnson, D., E. Ballinger, J. Linn, M. Rudstrom, L. Hansen, A. Seykora, and B. Heins. 2005. Evaluation of low input dairy farming systems by on-farm research, protyping, and simulation modeling with emphasis on grazing management, seasonal calving, crossbreeding and outwintering. J. Anim. Sci. 98 (Suppl. 1), Midwest Meetings.
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.
- 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.
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