[On differences between nematoda Haemonchus parasitizing cattle and sheep].
D000818:Animals; D002417:Cattle / Q000469:parasitology; D006189:Haemonchus; D009348:Nematoda; D012756:Sheep / Q000469:parasitology; D014253:Trichostrongylosis / Q000635:transmission*
CATTLE/parasitology; SHEEP/parasitology; TRICHOSTRONGYLOSIS/transmission