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17th February, 2019

Twinning in a Holstein Friesian dairy herd

Scanned a dairy herd outside Kingscourt, Co. Cavan where we identified 6 cows carrying twin pregnancies in a group of 34 cows. The overall reproductive performance of the herd was poor, with a calving interval extending beyond 400 days, and an empty rate of 20% with a 17 week breeding period. In my opinion twinning is associated with infertility in the dairy herd.