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Susceptibility to IVM in a field strain of Haemonchus contortus subjected to four treatments in a closed sheep–goat flock in Kenya
(2003)
Susceptibility to IVM (IVM) of “strain A” Haemonchus contortus which had been exposed to IVM four times over a 2-year period was compared to IVM susceptibility of “strain C” H. contortus which had no prior field exposure ...