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Jennifer Heguy

Dairy Farm Advisor and County Director
University of California Cooperative Extension
3800 Cornucopia Way
Suite A
Modesto, CA 95358
(209) 525-6800
jmheguy@ucdavis.edu Create VCard

Also in:
San Joaquin County
Merced County


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


Dairy Science

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


Peer Reviewed

  • Miller, C., D. Meyer, J.M. Heguy, B. Karle, P. Price. 2022. Forage harvested for silage: Methods to measure yield and nitrogen composition. UC ANR Publication 8713, June 2022.

  • Miller, C., D. Meyer, J.M. Heguy, B. Karle, P. Price. 2022. Methods for collecting representative samples of solid manure for nitrogen analysis. UC ANR Publication 8715, June 2022.

  • Swanson K.L., H.M. Bill, J. Asmus, J.M. Heguy, J.G. Fadel, E.J. DePeters. 2021. In vitro and in sacco digestibility of almond hulls. The Journal of Agricultural Science 159, 615–621.

  • Swanson, K.L., H.M. Bill, J. Asmus, J.M. Heguy, and E.J. DePeters. 2021. Feeding high amounts of almond hulls to lactating cows. J. Dairy Science. Vol. 104, Issue 8, 8846-8856.

  • DePeters, E.J., K.L. Swanson, H. Bill, J. Asmus, J. M. Heguy. (2020). Nutrient composition of almond hulls. Applied Animal Science. Vol. 36, Issue 6, 761-770.

  • Swanson, K.L., H. Bill, J.M. Heguy, J.Asmus, T.R. Famula, E.J. DePeters. (2020). Retrospective look at a 5-year period of almond hull composition collected by the California Department of Food and Agriculture. Applied Animal Science. Vol. 36, Issue 6, 771-776.

  • Martins, J.P.; Karle, Betsy; Heguy, Jennifer (2019). Needs assessment for cooperative extension dairy programs in California. Journal of Dairy Science. 102:8, 7597-7607.
  • Miller, Christine; Heguy, Jennifer; Karle, Betsy; Price, Patricia; Meyer, Deanne (2019). Optimizing accuracy of sampling protocols to measure nutrient content of solid manure. Waste Management. 85, 121-130.
  • Meyer, D., B.M. Karle, J.M. Heguy, J.W. Stackhouse, D. Mullinax, D. Lewis. (2018). UC-Industry-Agency partnerships key to success in dairy water quality policy. California Agriculture. 73-1, 40-47.

  • Miller, C.M.; Fadel, J.G.; Heguy, J.M.; Karle, B.M.; Price, P.L.; Meyer, D. (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

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