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Efficacy of narasin against hepatic and intestinal coccidiosis in rabbits

Published online by Cambridge University Press:  08 November 2011

J. E. Peeters
Affiliation:
Nationaal Instituut voor Diergeneeskundig Onderzoek, Groeselenberg, 99–1180 Brussel, Belgium

Summary

The anticoccidial effect of narasin against Eimeria flavescens, E. intestinalis, E. magna, E. perforans and E. stiedai was tested in experimentally infected rabbits. The drug was highly effective in reducing oocyst output and in preventing clinical signs. Maximum activity as measured by oocyst discharge was achieved with feed levels from 12 to 24 p.p.m.; there was no influence on oocyst sporulation. Optimal weight gain and food consumption were obtained with levels between 8 and 12 p.p.m.; at higher levels there was an adverse effect on growth, food intake, relative liver and heart weights and on serum potassium and glucose.

Type
Research Article
Copyright
Copyright © Cambridge University Press 1981

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