Abstract
Three trials were conducted in the spring of 1985 to evaluate the effectiveness of MGA feeding and Prostaglandin (PGF) injection on estrus induction and synchronization. Trials 1 and 2 were both done on a Kansas ranch and involved 70 heifers and 86 cows, respectively. In both trials, all cycling and non-cycling females were fed MGA (7 days in trial 1, 9 days in trial 2) and half of the cows and heifers received a PGF injection. The estrus response was higher (P.05). The MGA treatment also initiated cyclicity in prepuberal females of both crosses.
Keywords: Cattlemen's Day, 1986, Kansas Agricultural Experiment Station contribution, no. 86-320-S, Report of progress (Kansas State University. Agricultural Experiment Station and Cooperative Extension Service), 494, Beef, MGA, PGF, Estrus, Synchronization
How to Cite:
Boyd, G., Patterson, D., Corah, L. & Brethour, J., (1986) “Effects of MGA and PGF on estrus induction and synchronization in cows and heifers”, Kansas Agricultural Experiment Station Research Reports 1(1), 42-46. doi: https://doi.org/10.4148/2378-5977.2395
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