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In utero exposure to thermal stress has long-term effects on mammary gland microstructure and function in dairy cattle
Published on 16/10/2018
Global warming may be contributing to reduced milk yields in dairies across the world. Milk yield is significantly lower in first-lactation heifers that experienced heat stress during gestation. Yet, the exact reason was not well understood until University of Florida researchers showed how heat stress in utero affects the development of mammary glands. The results can follow heifers nearly two years after the heat stress insult occurred. As a result of this research, producers can improve future milk production by reducing heat stress in dry cows.
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