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Pathological investigations on guillemots (Uria aalge) stranded on the Belgian coast during the winter of 1993–94
  1. T. Jauniaux, DVM1,
  2. L. Brosens, MS1,
  3. P. Meire, MS, PhD2,
  4. H. Offringa, MS, PhD2 and
  5. F. Coignoul, DVM, PhD1
  1. 1 Department of Pathology, Veterinary College, Sart Tilman Bat B43, University of Liege, 4000 Liege, Belgium
  2. 2 Institute of Nature Conservation, Kliniekstraat 25, 1070 Brussels, Belgium

Abstract

Pathological investigations were carried out on 67 guillemots (Uria aalge) washed up on the Belgian coast between November 1993 and March 1994. Emaciation and acute haemorrhagic gastroenteropathy were observed in more than 70 per cent of the birds. There was no statistical relationship between the level of oil contamination and the severity of the lesions. Differences in bodyweight were accounted for by age, sex, emaciation, and acute haemorrhagic gastroenteropathy. The birds had a severe weight deficit but the concentrations of pollutants were below acutely toxic levels.

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