Comparison of two MGA-PGF2alpha systems for synchronization of estrus in beef heifers.

Abstract

Yearling beef heifers (n=193) were used to evaluate reproductive performance attained with 2 MGA-PGF2alpha synchronization systems. These treatments were compared with an untreated control group. The 14-d MGA heifers were synchronized by feeding 0.5 mg MGA/h/d for 14 d. At 17 d after the last MGA feeding, these heifers were injected with PGF2alpha (25 mg… (More)

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