University of California Grain & Silage Corn
University of California Grain & Silage Corn
University of California Grain & Silage Corn
University of California
University of California Grain & Silage Corn

Jennifer Heguy

Photo of Jennifer Heguy
Farm Advisor
University of California Cooperative Extension
3800 Cornucopia Way
Suite A
Modesto, CA 95358
(209) 525-6800 Create VCard

Also in:
San Joaquin County
Merced County


M.S. Animal Science, University of California, Davis. 2006


Dairy - Merced, Stanislaus & San Joaquin Counties

Areas of Expertise (click to see all ANR academics with this expertise)


Peer Reviewed

  • Miller, C.M.; Fadel, J.G., et al. (2018). Optimizing accuracy of protocols for measuring dry matter and nutrient yield of forage crops. Science of the Total Environment. 624, 180-188.
  • Heguy, J.M., D. Meyer, and N. Silva-del-Rio. 2016. A survey of silage management practices on California dairies. Journal of Dairy Science, 99:1649-1654

  • Robinson, P.R., N. Swanepoel., J.M. Heguy, P.L. Price, D. Meyer. 2016. 'Shrink' losses in comercially sized corn piles: quantifying total losses and where they occur. Science of the Total Environment, 542, Part A: 530-539.

  • Robinson, P.R., N. Swanepoel., J.M. Heguy, P.L. Price, D. Meyer. 2016. 'Shrink' losses, and where they occur, in commerically sized silage piles constructued from immature and mature cereal crops.  Science of the Total Environment, 559: 45-52.

  • Cassinerio, C.A., J.G. Fadel, J.Asmus, J.M. Heguy, S.J. Taylor, and E.J. DePeters. 2015. Tomato seeds as a novel byproduct feed for lactating dairy cows. Journal of Dairy Science, 98:4811-4828.

  • Heguy, J.M., C.A. Cassinerio, J.G. Fadel, J. Asmus, S.J. Taylor and E.J. DePeters. 2015. Nutrient composition and total tract apparent digestibility of whole tomato seeds by sheetp. Professional Animal Scientist, 31: 462-466.

  • Meyer, D.M., P.H. Robinson, P.L. Price, and J.M. Heguy. 2015. Determination of silage face surface area on commercial California dairy farms. Grass and Forage Science. doi: 10.1111/gfs.12160

Non-Peer Reviewed

  • Heguy, J.M. and N. Silva-del-Rio. 2015. Snapshot of California's Corn Silage Practices. Progressive Dairyman Magazine, February 7, 2015.

  • Heguy, J.M. and E.J. DePeters. 2015. The importance of dry matter: tips for feeders and dairy producers. California Dairy Newsletter, April 2015; California Dairy Magazine, Volume 24, No. 5 (May 2015); Merced County Farm News, May 15, 2015; Stanislaus County Farm News, Dairy Times Edition, June 2015; Dairy Herd Management Magazine (Daily E-version), July 27, 2015; Drovers Cattle Network (online content), July 27, 2015; DairyBusiness West Magazine, August 2015; Progressive Dairyman Magazine, October 1, 2015.

  • Robinson, P.H., N. Swanepoel, J.M. Heguy, and D. Meyer. 2015. Real 'shrink' in corn silage piles. Progressive Dairyman Magazine, May 7, 2015.

  • DePeters, E.J., B. Pushcner, J. Asmus, and J.M. Heguy. 2015. Cull onions: A byproduct feedstuff for cattle. Progressive Dairyman Magazine, June 30, 2015.

  • Heguy, J.M. and N. Silva-del-Rio. 2015. Ensiling practices of corn on California dairies. J. Dairy Sci. Vol. 98, Suppl. 2, page 279.

  • Heguy, J.M., D. Meyer, N. Silva-del-Rio.  2014.  Corn Silage Management Practices on California Dairies. American Dairy Science Association Annual Meeting, Kansas City, MO, July 20-24.

  • Heguy, J.M.   2014. How do I adjust a silage price for DM? Progressive Dairyman Magazine, September 7, 2014. 
  • Depeters, E.J. and J.M. Heguy. 2014. The ABC's of Forage Analysis - What is Energy?   California Dairy Newsletter, July 2014; California Dairy Magazine, November 2014. 
  • Heguy, J.M., DePeters, E.J. and Asmus, J. 2012. Back to Basics: The ABC's of Forage Analyses. California Dairy Newsletter, November 2012; San Joaquin County Field Notes, November 2012 ; DairyHerd Network (online content), November 21, 2012; California Dairy Magazine, November 2012; The Stanislaus Farm News, December 7, 2012; (online content), 3/22/2013.
  • Silva-del-Rio, N. and Heguy, J.M. 2013. Key harvest practices to reduce corn silage losses. Western Alfalfa and Forage Symposium, Reno, NV, 11-13 December, 2013. UC Cooperative Extension, Plant Sciences Department, University of California, Davis, CA 95616.
  • Depeters, E.J. and Heguy, J.M. 2013. The ABC's of Forage Analysis - Fiber & Digestibility. California Dairy Newsletter, March 2013; Dairy Herd Network Daily (email blast to subscribers), 3/18/2013; The Bullvine (online content), 3/19/2013; Dairy Herd Network, Topic Forage (email blast), 3/20/2013; (online content), 3/20/2013; Progressive Dairyman, July 21, 2013.
  • Depeters, E.J. and Heguy, J.M. 2013. The ABC's of Forage Analysis: What are NSC and NFC? California Dairy Newseltter, April 2013; Dairy Herd Network (online content), 4/24/2013; (online content), 4/18/2013; Field Notes Newsletter, May 2013.
  • Heguy, J. M. (2010). Overview of Silage Management Practices in California. 2010 California Alfalfa and Forage symposium and Corn/Cereal Silage Conference. Visalia, CA. December 1-2, 2010.

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