Article Text

Periparturient diseases and their effect on reproductive performance in five dairy herds
  1. S Borsberry and
  2. H Dobson
  1. University of Liverpool, Department of Veterinary Clinical Science, Leahurst, Neston, South Wirral.

Abstract

The incidence of periparturient diseases and their effects on the calving to first service interval, the calving to conception interval and the mean number of services per conception were recorded in five Friesian-Holstein herds in the United Kingdom. The incidence rates of milk fever, milk fever followed by endometritis, retained fetal membranes, endometritis after retained fetal membranes, endometritis, or ovarian cysts, were 7.5, 1.4, 1.3, 3.3, 10.1 and 6.7 per cent, respectively, and the affected cows had significantly (P less than 0.05) extended calving to conception intervals (13, 66, 25, 51, 31 and 64 days, respectively) compared with herd-mates. Calving to first service intervals and services per conception were also adversely affected. In spite of treatment, milk fever, endometritis and ovarian cysts had a considerable impact on fertility. Improved methods of treatment and, or, prevention are clearly required.

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