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Transferred drug-resistance in Eimeria maxima

Published online by Cambridge University Press:  06 April 2009

L. P. Joyner  and
C. C. Norton
L. P. Joyner
Affiliation:
Central Veterinary Laboratory, MAFF, New Haw, Weybridge, Surrey
C. C. Norton
Affiliation:
Central Veterinary Laboratory, MAFF, New Haw, Weybridge, Surrey
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Extract

A series of experiments is described in which two drug-resistant strains of Eimeria maxima were passaged together in untreated chicks. The resultant oocysts were then inoculated into chicks treated with both drugs. When strains resistant to methyl benzoquate and sulphaquinoxaline or clopidol and sulphaquinoxaline were used the resultant infections were not controlled by the double treatment, indicating the acquisition of resistance factors by one strain from the other. When strains resistant to clopidol and methyl benzoquate were used the phenomenon was not observed.

Type
Research Article
Information
Parasitology , Volume 71 , Issue 3 , December 1975 , pp. 385 - 392
Copyright
Copyright © Cambridge University Press 1975

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