Control of clinical coccidiosis of calves due to Eimeria bovis and Eimeria zuernii with toltrazuril under field conditions

The efficacy of metaphylactic treatment with toltrazuril (Baycox 5% suspension) against natural infections with Eimeria bovis and/or Eimeria zuernii in calves was investigated. The study was conducted with 208 calves on five calf-rearing farms in Germany and the Czech Republic. All participating far...

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Bibliographic Details
Published in:Parasitology research (1987) 2005-10, Vol.97 Suppl 1 (S1), p.S134-S142
Main Authors: Mundt, H-C, Bangoura, B, Mengel, H, Keidel, J, Daugschies, A
Format: Article
Language:English
Subjects:
Animals
Cattle
Cattle Diseases - drug therapy
Coccidiosis - prevention & control
Coccidiostats - therapeutic use
Czech Republic - epidemiology
Eimeria - classification
Eimeria bovis
Eimeria zuernii
Germany - epidemiology
Triazines - therapeutic use
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Summary:The efficacy of metaphylactic treatment with toltrazuril (Baycox 5% suspension) against natural infections with Eimeria bovis and/or Eimeria zuernii in calves was investigated. The study was conducted with 208 calves on five calf-rearing farms in Germany and the Czech Republic. All participating farms had a notable incidence of coccidiosis. Animals were treated 14 days after stabling in the respective facility. One group was treated with 15 mg toltrazuril/kg body weight, and a second group served as the sham-treated control. Assessment of efficacy was based on faecal consistency and oocyst excretion of E. bovis and E. zuernii, both investigated throughout the study. Duration and rate of oocyst excretion as well as number of scour days with E. bovis or E. zuernii oocyst shedding and the severity of diarrhoea were significantly lower in the toltrazuril-treated groups. It is concluded that a single metaphylactic treatment with toltrazuril controls coccidiosis of housed calves under various field conditions.
ISSN:0932-0113
1432-1955
DOI:10.1007/s00436-005-1457-9