Profile Image

Jon Schoonmaker

Animal Sciences 

  • Associate Professor of Animal Sciences
CRTN Room 3058
270 S. Russell St.
West Lafayette, IN 47907-2041

Area of Expertise: Beef Cattle Nutrition

Education: B.S., University of Wisconsin-Madison; M.S. and Ph.D., The Ohio State University
Post-doctoral Training: Iowa State University

Research Program


ANSC 52400 - Ruminant Nutrition and Physiology 

News Releases

Purdue scientist: Distillers grains with calcium oxide improve cattle diets - Purdue News, November 2014

Early weaning, DDGS feed could cut costs for cattle producers - Purdue News, August 2012

Personal Information

Dr. Schoonmaker is married to Kimberlee and together they have three girls: Jenna, Amanda and Lauren. They also have four cats, a dog, three rabits, and they raise 2-3 sheep every year for the county fair. Jon and Kimberlee grew up in Wisconsin; he grew up on a hobby beef/sheep farm outside of Madison, WI. Dr. Schoonmaker likes to snow ski, fish, and golf. He coaches his daughter's soccer team, and is related to Tony Dow (Wally from Leave it to Beaver), but Jon has never met Tony. 

Selected Publications

Shee, C. N., Lemenager, R. P., & Schoonmaker, J. P. (2016). Feeding dried distillers grains with solubles to lactating beef cows: impact of excess crude protein and fat on cow performance, milk production, and pre-weaning progeny growth. Animal, 10, 55-63.

Carvalho, J. R., Chizzotti, M. L., Schoonmaker, J., Texeira, P. D., Lopez, R. C., Oliveira, C. V., & Ladeira, M. M. (2016). Performance, carcass characteristics, and ruminal pH of Nellore and Angus young bulls fed a whole shelled corn diet. Journal of Animal Science, 94, 2451-2459.

Schoonmaker, J. (2016). Novel Feed Additives for Beef Cattle. Proceedings of the 76th Minnesota Nutrition Conference, 130-142.

Shee, C. N., Lemenager, R. P., & Schoonmaker, J. (2015). Effect of condensed distillers solubles or dried distillers grains during gestation or lactation on cow performance, milk production, and pre-weaning progeny growth. The Professional Animal Scientist, 31, 11-19.

Jose C Nunez, A., Felix, T. L., Loerch, S. C., & Schoonmaker, J. (2015). Effect of dried distillers grains with solubles or corn in growing diets, followed by a corn-based finishing diet, on performance of feedlot cattle. Animal Feed Science and Technology, (207), 267-273.

Schoonmaker, J. (2015). Effects of maternal nutrition on calf health and growth. Proceedings of the 32nd Western Canadian Dairy Seminar, 26, 125-135.

Jose C Nunez, A., Felix, T. L., Lemenager, R. P., & Schoonmaker, J. (2014). Effect of calcium oxide inclusion in beef feedlot diets containing 60% dried distillers grains with solubles on rumen fermentation, nutrient digestibility, and performance. Journal of Animal Science, 92, 3954-3965.

Gunn, P. J., Schoonmaker, J., Lemenager, R. P., & Bridges, G. A. (2014). Feeding excess crude protein to gestating and lactating beef heifers: Impact on parturition, milk composition, ovarian function, reproductive efficiency, and pre-weaning progeny performance. Livestock Science, 167, 435-448.

Schoonmaker, J., Claeys, M., & Lemenager, R. (2013). Effect of increasing distillers grains inclusion on performance and carcass characteristics of early-weaned steers. Journal of Animal Science, 91(4), 1784-1790.

Schoonmaker, J., Korn, K., Condron, K., Shee, C., Claeys, M., Nennich, T., & Lemenager, R. (2013). Effect of decreasing dietary cation anion difference (DCAD) on feedlot performance, carcass characteristics, and beef tenderness. Journal of Animal Science, 91(12), 5762-5768.

Department of Animal Sciences, 270 S Russell Street, West Lafayette, IN 47907 USA, (765) 494-4808

© Purdue University | An equal access/equal opportunity university | Integrity Statement | Copyright Complaints | Maintained by Agricultural Communication

Trouble with this page? Disability-related accessibility issue? Please contact us at agweb@purdue.edu so we can help.

Sign In