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Dr. James G. Linn

James G. Linn
Professor Emeritus
Dairy Cattle Nutrition

Department of Animal Science
305 Haecker Hall
1364 Eckles Avenue
St. Paul, MN 55108-6118
Email: linnx002@umn.edu
 

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)

Recent Graduate Students

  • Gregory L. Golombeski, Ph.D. (completed December 2010)
  • Mary L. Raeth-Knight, M.S. (completed March 2006); Ph.D. (completed September 2009)
  • Jessica P. Wakker, M.S. (completed December 2007)
  • Ebener Ballinger, M.S. (completed May 2005)

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
  • Member, American Society of Animal Science
  • Member, Minnesota Milk Producers Association

Affiliated Centers/Organizations/Appointments

  • President, American Dairy Science Association, 2010-2011
  • Vice President, American Dairy Science Association, 2009-2010
  • Secretary, American Dairy Science Association-Production Division
  • Board of Directors, American Dairy Science Association, 2003-2006
  • Member of current NRC Committee on dairy cattle nutrition
  • Member of Minnesota Nutrition Conference Planning Committee

Publications (2007-2011)

- Refereed Articles -

Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, D.G. Johnson, and J.G. Linn. 2011. Jersey × Holstein crossbreds compared with pure Holsteins for production, mastitis, and body measurements during the first 3 lactations. J. Dairy Sci. 94:501-506.

Heins, B.J., L.B. Hansen, A.R. Hazel, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2010. Birth traits of pure Holstein calves versus Montbeliarde-sired crossbred calves. J. Dairy Sci. 93:2293-2299.

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., 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.

Thrune, M., A. Bach, M. Ruiz-Moreno, M.D. Stern, and J.G. Linn. 2009. Effects of saccharomyces cerevisiae on ruminal pH and microbial fermentation in dairy cows. Livestock Sci. Vol. 124:261-265.

Heins, B.J., L.B. Hansen, A.J. Seykora, A.R. Hazel, D.G. Johnson, and J.G. Linn. 2008. Crossbreds of Jersey × Holstein compared with pure Holsteins for body weight, body condition score, dry matter intake, and feed efficiency during the first one hundred fifty days of first lactation. J. Dairy Sci. 91:3716-3722.

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.

- Invited Papers and Conference Proceedings -

Linn, J., M. Raeth-Knight, and N. Litherland. 2009. Role of feed (dairy) efficiency in dairy management. Proc., Pacific North West Nutr. Conf. pp. 167-176.

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.

- Extension Publications-

Hazel, A.R., L.B. Hansen, B.J. Heins, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2010. Jersey-sired and Montbeliarde-sired crossbred heifer

Litherland, N.B., J. Paulson, and J.G. Linn. 2009. Corn quality challenges effects on dairy cattle - Fall harvest 2009. Late Harvest Resources, U of M Extension Website, November. http://www.extension.umn.edu/issues/lateharvest/dairy2.html

- Abstracts -

Hazel, A.R., L.B. Hansen, B.J. Heins, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2010. Jersey-sired and Montbeliarde-sired crossbred heifers compared to pure Holstein heifers for survival, and fertility from birth to first parturition. ADSA/ASAS Joint Meeting, Denver, CO (Oral Presentation, Abstr. 434).

Heins, B.J., L.B. Hansen, A.R. Hazel, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2010. Jersey x Holstein crossbred cows compared to pure Holstein cows for calving traits, production, fertility, survival, and udder measurements during the first three lactations. J. Dairy Sci. Vol. 93 (Suppl. 1): 20.

Litherland, N.B., D. Carlson, D. Ziegler, B. Ziegler, D. Schimek, M. Raeth-Knight, G. Golombeski, H. Chester-Jones, and J. Linn. 2010. Growth and health of calves pre- and post-weaning fed milk replacers with differing levels of neomycin sulfate and oxytetracycline. J. Anim. Sci. 88, E-Suppl. 2/ J. Dairy Sci. 93, E-Suppl. 1/ Poult. Sci. Vol. 89, E-Suppl. 1. p. 301. Abstr. 397.  

Litherland, N.B., H.J. Jung, and J.G. Linn. 2010. Effects of replacing conventional corn silage with BMR corn silage on nutrient intake, milk yield, and dairy efficiency in lactating dairy cows. Midwest Forage Assoc. Res. Summit and Symposium.

Litherland, N.B., M.L. Raeth-Knight, and J.G. Linn. 2010. Diets containing thirty percent wheat straw or orchard grass hay fed at either ad libitum or restricted intake prepartum have modest effects on postpartum performance. J. Anim. Sci. 88, E-Suppl. 2/ J. Dairy Sci. 93, E-Suppl. 1/Poult. Sci. 89, E-Suppl. 1. p. 838. Abstr. 1041.

Litherland, N.B., M. Raeth-Knight, J.G. Linn, and W.D. Weich. 2010. Effects of moderating forage type and dry matter intake in dry cow diets on postpartum performance. 71st Minnesota Nutrition Conf., Owatonna, MN. Sep. 21-22. p. 45.

Raeth-Knight, M.L., H.G. Jung. P.R. Peterson, N.B. Litherland, and J.G. Linn. 2010. Comparison of alfalfa and orchardgrass hay as replacements for grain in lactating dairy cow diets. J. Anim. Sci. 88, E-Suppl. 2/ J. Dairy Sci. 93, E-Suppl. 1/ Poult. Sci. Vol. 89, E-Suppl. 1. p. 515. Abstr. 564.

Carlson, D., S. Hayes, B. Ziegler, R. Larson, M. Raeth-Knight, G. Golombeski, J. Linn, D. Ziegler, and H. Chester-Jones. 2009. Influence of altering conventional milk replacer feeding rate and protein source on pre- and post-weaning performance and health of dairy calves. J. Dairy Sci. 92(E-Suppl. 1):450. Abstr. W221.

Chester-Jones, H., S. Hayes, R. Larson, B. Ziegler, D. Ziegler, M. Raeth-Knight, G. Golombeski, and J. Linn. 2009. Performance and health of post weaned Holstein heifer calves from 9 to 25 weeks of age fed grain mixes containing varying levels of bovine spray dried plasma protein during the initial transition to group pens. J. Dairy Sci. 92(E-Suppl. 1):455. Abstr. W235.

Golombeski, G., M. Raeth-Knight, B. Ziegler, R. Larson, D. Ziegler, H. Chester-Jones, and J. Linn. 2009. Performance of post-weaned Holstein heifer calves fed grain mixes with glycerin as an energy source. J. Dairy Sci. 92(E-Suppl. 1):87. Abstr. M271.

Hayes, S., D. Carlson, D. Ziegler, M. Raeth-Knight, G. Golombeski, B. Ziegler, R. Larson, J. Linn, and H. Chester-Jones. 2009. Pre- and post weaning performance and health of heifer calves fed different levels of bovine spray dried animal plasma in a traditional milk replacer program J. Dairy Sci. 92(E-Suppl. 1):454. Abstr. W234.

Hazel, A.R., B.J. Heins, L.B. Hansen, A.J. Seykora, D.G. Johnson, J.G. Linn, and J.E. Romano. 2009. Montbeliarde-sired crossbred cows compared to pure Holstein cows for body weight, body condition score, hip height, dry matter intake, and production during the first 150 days of first lactation. ADSA/ASAS Joint Meeting, Montreal, Quebec. Abstr. 743 (Oral presentation).

Heins, B.J., L.B. Hansen, A.R. Hazel, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2009. Calving traits, gestation length, and birth weight of Montbeliarde sires mated to Holstein or Jersey x Holstein crossbreds. ADSA/ASAS Joint Meeting, Montreal, Quebec. Abstr. 742 (Oral presentation).

Heins, B.J., L.B. Hansen, A.R. Hazel, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2009. Jersey x Holstein crossbred cows compared to pure Holstein cows for fertility and survival during the first three lactations. ADSA/ASAS Joint Meeting, Montreal, Quebec. Abstr. 738 (Oral presentation).

Heins, B.J., L.B. Hansen, A.R. Hazel, A.J. Seykora, D.G. Johnson, and J.G. Linn. 2009. Jersey x Holstein crossbred cows compared to pure Holstein cows for production, SCS, and udder measurements during the first three lactations. ADSA/ASAS Joint Meeting, Montreal, Quebec. Abstr. 739 (Oral presentation).

Raeth-Knight, M., J. Linn, R. Larson, and J. Salzer. 2009. Impact of glycerol in milk replacer on dairy calf performance. J. Dairy Sci. 87(E-Suppl. 1)/J. Dairy Sci. 92 (E-Suppl. 1):451. Abstr. W223.

Ruiz-Moreno, M., M.D. Stern, A. Bach, M. Thrune, and J.G. Linn. 2009. In vitro and in vivo effects of soluble crude protein, Yucca schidigera extract and Saccaharomyces cerevisae on rumen metabolism. Proc. 70th Minnesota Nutrition Conf., Owatonna, MN. Sep. 15-16. p. 95.

Ziegler, D., R. Larson, B. Ziegler, M. Raeth-Knight, G. Golombeski, H. Chester-Jones, and J. Linn. 2009. Performance of post weaned Holstein heifer calves fed limit or free-choice pelleted grain mixes with two differing fiber levels along with free-choice hay. J. Dairy Sci. 92(E-Suppl. 1):455. Abstr. W236.

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.

Thrune, M., A. Bach, M. Ruiz-Moreno, M.D. Stern, and J.G. Linn. 2007. Effects of Saccharomyces cerevisiae on ruminal pH and microbial fermentation in lactating dairy cows. J. Anim. Sci. Vol. 85, Suppl. 1/J. Dairy Sci. Vol. 90, Suppl. 1:172-173.

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.

- Popular Press -

Dairy Health and Nutrition: Nutrient Requirements of Dairy Cattle. Feedstuffs Reference Issue - Published annually.

Peterson, P., M. Raeth-Knight, H. Jung, N. Litherland, J. Linn, and J. Paulson. 2010. Orchardgrass hay equals alfalfa hay as grain replacement in UMN-St. Paul dairy trial. MFA FF MFRP Res./Hay Column. Dec.

Earlier Publications

 

College of Food, Agricultural and Natural Resource Sciences
  

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