Article Text

The serological incidence of Hypoderma bovis in cattle in England and Wales in spring 1989
  1. IJ Sinclair,
  2. DW Tarry,
  3. DA Wassall and
  4. AD Hayward
  1. Central Veterinary Laboratory, New Haw, Weybridge, Surrey.

Abstract

Sera from 152,434 cattle held on 6175 farms in England and Wales were tested for the presence of antibodies to Hypoderma bovis during the 10 weeks starting on February 6, 1989. Thirty-nine positive animals (25.6 animals/100,000 tested) were identified on 21 of the farms (0.34 per cent). In comparison, the survey in 1988 examined 74,502 cattle on 3087 farms and found 29 positive animals (38.9/100,000 tested) on 18 farms (0.58 per cent).

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