Immunisation of sheep by drug-abbreviated infections of Ostertagia circumcincta and Trichostrongylus colubriformis against field challenge of gastro-intestinal nematodes

Author: Stankiewicz M.   Cabaj W.   Pernthaner A.   Hadas E.  

Publisher: Elsevier

ISSN: 0304-4017

Source: Veterinary Parasitology, Vol.67, Iss.1, 1996-12, pp. : 121-132

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