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Estrous Synchronization in Cattle

Filed Under:
Publication Number: P2614
Updated: January 12, 2016
View as PDF: P2614.pdf

Estrous synchronization is a reproductive management tool that is particularly useful in artificial insemination (AI) and embryo transfer (ET) programs. It manipulates females’ estrous cycles with one or more hormones to bring cattle into estrus (heat) within a short period of time. Estrous synchronization is important to conveniently time the breeding of cattle in AI and ET programs.

Estrous synchronization with natural breeding can produce calves earlier in the calving season that will be heavier at weaning and have enhanced carcass values. Calves will be more uniform in age at weaning. Estrous synchronization also improves calf crop genetics when superior AI sires are used.

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