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Animal Industry Report

Extension Number

ASL R3215

Topic

Beef

Summary and Implications

The present study investigated the effects of climatic variables on the quality grade and quantity of in vivo produced bovine embryos. High temperature during the early embryonic development stage, one day after AI to flush, tended (P < 0.10) to decrease the quality of embryos recovered. High Temperature-Humidity Index during the early antral follicular stage, 40 to 45 days prior to ovulation, tended to improve the total number of freezable and transferrable embryos recovered per flush (P < 0.10). Increased wind speed at the early antral follicular phase was associated with a significant increase of the percentage of quality grade 1 embryos recovered (P < 0.05). This implies that wind has a significant effect in the quality grade and quantity of in vivo produced bovine embryos that is rarely taken into consideration.

Copyright Holder

Iowa State University

DOI

https://doi.org/10.31274/ans_air-180814-406

Language

en

Included in

Beef Science Commons

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