[Quasi-absence of trichostrongylid reinfection in Gambian livestock during the dry season]
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Five Ndama bulls aged between 1.5 and 2 years and 20 Djallonke rams aged between 6 to 18 months were dewormed as follows: the bulls were dewormed in November (beginning of the dry season), the sheep were divided into four groups dewormed in November, January, ... ...
