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Association of Reproductive Tract Scoring of Beef Heifers and Reproductive Efficiency in AI and Natural Service Beef Herds

Author(s):

K. Gutierrez, R. Kasimanickam and A...

In: SFT - Theriogenology Annual Conference - Louisville, 2013 by Society for Theriogenology
Updated:
AUG 10, 2013
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Reproductive tract scoring is a method by which a numerical score from 1 (immature and acyclic) to 5 (mature and cyclic) is assigned to developing heifers based on the maturity of the ovaries and uterus, and cyclicity. This method can serve as a tool to eliminate heifers that may fail to breed. The objective was to determine the influence of reproductive tract score (RTS) on reproductive performance of beef heifers in beef operations using artificial insemination (AI) and clean-up (AI-CU) bulls or using natural service (NS) bulls in the breeding programs. The hypothesis was that heifers with higher RTS will have better reproductive performance. [...]

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The Society for Theriogenology is an organization of veterinarians dedicated to animal reproduction, whose mission is to promote standards of excellence in reproductive medicine, to provide outreach and education to veterinarians, and to foster continual improvements in theriogenology.

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