Presynchronization with prostaglandin F2α and prolonged exposure to exogenous progesterone impacts estrus expression and fertility in beef heifers.
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DOI: 10.1016/j.theriogenology.2020.02.010
Abstract: To determine the effects of two presynchronization strategies in conjunction with delayed fixed-time artificial insemination (TAI) on pregnancy rates to TAI (PR/AI), 1700 Angus beef heifers at three locations in South Dakota were enrolled in… read more here.
Keywords: exogenous progesterone; beef heifers; day; prolonged exposure ... See more keywords