Heat Stress Can Reduce Pregnancy Rates

The effects of heat stress on reproductive performance of beef cows has been discussed by many animal scientists in a variety of ways.

Typical Oklahoma summer weather can fit the description of potential heat stress, where many days in a row can exceed 95° and night time lows are often close to 80°. Many hours of the day can be quite hot and cause the slightest rise in body temperature of cattle. Research conducted several years ago at Oklahoma State University illustrated the possible impact of heat stress of beef cows on their reproductive capability.

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