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Anti-O chaining titre in colostral serum from cows infused prepartum with Salmonella Pullorum-H
Published online by Cambridge University Press: 01 June 2009
Summary
A high anti-O chaining titre against Salmonella pullorum-H can be obtained in colostral serum when the killed antigen is introduced into the mammary gland during the dry period. A significant titre, several times the normal level, is maintained in the milk serum for 3 weeks postpartum. There was a definite residual titre in the milk serum of non-infused cows against the O and H antigens of Salmonella typhosa and the O antigen of S. pullorum-H.
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- Copyright © Proprietors of Journal of Dairy Research 1968
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