The effects of lameness on reproductive performance, ...

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Title The effects of lameness on reproductive performance, milk production and culling in Dutch dairy farms
Author(s) H. W. Barkema, J. D. Westrik, K. A. S. van Keulen, Y. H. Schukken, A. Brand
Journal Preventive Veterinary Medicine
Date 1994
Volume 20
Issue 4
Start page 249
End page 259
Abstract A retrospective cohort study design was used to investigate the effect of lameness on reproductive performance on 13 commercial Dutch dairy farms. The average herd size was 64 +or- 16 cows. The data were collected during a routine herd health and production control programme. The cumulative 100-DIM (days in milk) production in the previous lactation of lame cows was higher and the culling rate lower than that of the controls. The 100- and 270-DIM production of the cows with a sole ulcer was higher than that of the control cows. There was no difference in 100- and 270-DIM production between cows with a lameness diagnosis other than sole ulcer and the controls. Lameness prolonged the interval from calving to first service and the interval from first service to conception. The pregnancy rate at first service was not affected by lameness..

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