Double Vision: Management of Twinning in Dairy Cows

Twinning in Holstein dairy cows has increased over time concurrent with increased milk production. More than 95% of twins in Holsteins arise due to double ovulations resulting in dizygotic twins. It is now clear that low progesterone during growth of a preovulatory follicle increases the incidence of double ovulation. Increased hepatic metabolism of progesterone as a result of the increased feed intake associated with high milk production provides a physiological mechanism for decreased progesterone levels in high-producing dairy cows resulting in an increase in dizygotic twinning. Twinning will likely continue to increase with milk production over time, so strategies to effectively manage twinning in dairy cows need to be identified and implemented.

In the paper Double Vision:  Management of Twinning in Dairy Cows UW-Extension Dairy Cattle Reproductive Specialist Paul Fricke highlights reproductive management strategies to minimize and manage twinning.

For more information regarding dairy reproduction, please visit UW-Extension Dairy Cattle Reproduction or contact extension dairy reproductive specialist Paul Fricke.

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