| Literature DB >> 4258548 |
Abstract
Turkey hens were vaccinated six times with Salmonella typhimurium endotoxin prior to and during their egg production cycle. The resultant poults possessed a significant degree of immunity to challenge with S. typhimurium.Entities:
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Year: 1972 PMID: 4258548 PMCID: PMC1319659
Source DB: PubMed Journal: Can J Comp Med ISSN: 0008-4050