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The Effect of Levamisole on the Development of Ostertagia circumcincta in lambs
Published online by Cambridge University Press: 18 November 2009
Extract
The majority of third-stage Ostertagia circumcincta larvae exposed to 0·5% levamisole failed to infect lambs even though the worms regained some activity after repeated washings in balanced saline. A low level of efficiency was recorded against 4·5-day-old O. circumcincta when lambs were treated with levamisole at 7·5 mg per kg. Nine-day-old worms from hosts which received anthelmintic on day 4·5 were at the same stage of development as those from untreated control lambs.
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- Copyright © Cambridge University Press 1972
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