Progesterone supplementation in Holstein heifers subjected to cooling and timed AI during summer: physiological and reproductive variables and thyroid hormone concentrations.
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DOI: 10.1007/s11250-021-02688-1
Abstract: Our aim was to evaluate the effects of progesterone supplementation after fixed-time artificial insemination (FTAI) on physiological and reproductive variables and serum thyroid hormone concentrations of cooled Holstein heifers during a hot summer season. Sixty-nine… read more here.
Keywords: heifers subjected; progesterone supplementation; holstein heifers; summer ... See more keywords