[Invasiveness of wintering larvae of Ostertagia].
D000818:Animals; D005260:Female; D007814:Larva; D008297:Male; D012621:Seasons; D012756:Sheep; D012757:Sheep Diseases / Q000469:parasitology*; D014252:Trichostrongyloidiasis / Q000662:veterinary*; D014253:Trichostrongylosis / Q000662:veterinary*
Ob invazionnosti perezimovavshikh lichikov ostertagiell