The overwinter survival of ovine gastro-intestinal parasites  in the Maritime provinces.
D000818:Animals; D002170:Canada; D066298:In Vitro Techniques; D007411:Intestinal Diseases, Parasitic / Q000662:veterinary*; D009348:Nematoda; D009349:Nematode Infections / Q000662:veterinary; D012756:Sheep; D012757:Sheep Diseases / Q000453:epidemiology*
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