Schistosoma bovis in calves: the development and clinical pathology of primary infections

The clinico-pathological effects of Schistosoma boviswere monitored in zebu calves for a year after exposure to 100 or 200 ccrcariae/kg body weight and were related to the number and reproductive activities of the parasites present. The disease was characterised by diarrhoea, weight loss or poor wei...

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Veröffentlicht in:Research in veterinary science 1980-01, Vol.28 (1), p.105-111
Hauptverfasser: Saad, A.M., Hussein, M.F., Dargie, J.D., Taylor, M.G., Nelson, G.S.
Format: Artikel
Sprache:eng
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Zusammenfassung:The clinico-pathological effects of Schistosoma boviswere monitored in zebu calves for a year after exposure to 100 or 200 ccrcariae/kg body weight and were related to the number and reproductive activities of the parasites present. The disease was characterised by diarrhoea, weight loss or poor weight gain, anaemia, serum protein changes and eosinophilia. These changes were broadly related to the level of infection and were most prominent during the two months following patency when faecal egg counts were highest. Subsequently, the condition of most animals improved. This was associated with a marked reduction in faecal egg excretion which in turn was related to worm deaths, reduced worm fecundity and egg retention in the tissues.
ISSN:0034-5288
1532-2661
DOI:10.1016/S0034-5288(18)32782-6