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- Canal, L.B., et al. Show all 8 Authors
- Theriogenology 2018 v.106 pp. 210-213
- artificial insemination; beef cattle; blood sampling; breeding season; bulls; calving; controlled internal drug release devices; estrus synchronization; fetus; gestational age; gonadotropin-releasing hormone; heifers; periodicity; pregnancy diagnosis; pregnancy rate; progesterone; ultrasonography; zebu
- ... To determine the effects of estrus synchronization (ES) and fixed-time artificial insemination (TAI) on calving distribution in Bos indicus influenced heifers, 751 Bos taurus × Bos indicus beef heifers were enrolled in a completely randomized design at 2 locations from January to May of 2016. Within location, all heifers were randomly assigned to one of two treatments: 1) SYNCH (n = 371); heifers ...