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Effects of various vaccination protocols on passive and active immunity to Pasteurella haemolytica and Haemophilus somnus in beef calves.

Two field trials were conducted in a beef cow herd in Saskatchewan to determine the effectiveness of a combined Pasteurella haemolytica and Haemophilus somnus vaccine in increasing passively and actively acquired antibodies in beef calves. Vaccination of dams at 4 and/or 7 weeks prepartum was associ...

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Autors principals: Van Donkersgoed, J, Guenther, C, Evans, B N, Potter, A A, Harland, R J
Format: Artigo
Idioma:Inglês
Publicat: 1995
Matèries:
Accés en línia:https://ncbi.nlm.nih.gov/pmc/articles/PMC1686970/
https://ncbi.nlm.nih.gov/pubmed/7585417
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