The effects of duration of retained placenta on reproduction, milk production, postpartum disease and culling rate
T Van Werven, YH Schukken, J Lloyd, A Brand… - Theriogenology, 1992 - Elsevier
The effects of various durations of placental retention (6, 8, 12, 23, 47 and 71 hours) on
reproductive performance, milk production, postpartum disease and culling rate were
measured to determine a definition of retained placenta. Data from 1010 calvings on 21
commercial Dutch dairy herds were analyzed by parity groups. The reproductive
performance of first calf heifers and of second and third parity cows was not significantly
affected by the duration of placental retention. However, fourth parity and higher cows …
reproductive performance, milk production, postpartum disease and culling rate were
measured to determine a definition of retained placenta. Data from 1010 calvings on 21
commercial Dutch dairy herds were analyzed by parity groups. The reproductive
performance of first calf heifers and of second and third parity cows was not significantly
affected by the duration of placental retention. However, fourth parity and higher cows …
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