Duration of Immunity Induced by Commercially Available Pasteurella haemolytica Vaccines

Authors

  • Raymond W. Loan Department of Veterinary Pathobiology, Texas A&M University
  • Hsi-tang Tung American Animal Health, Inc., Grand Prairie, Texas
  • Jerry B. Payne American Animal Health, Inc., Grand Prairie, Texas

DOI:

https://doi.org/10.21423/aabppro19975862

Keywords:

Pasteurella haemolytica, vaccines, immunity studies, Immunity

Abstract

Calves on range with their dams were vaccinated with 5 commercially available Pasteurella haemolytica vaccines in duration of immunity studies. Immunity was challenged at 83 and 97 days post-vaccination by transthoracic inoculation of virulent P haemolytica.

Cover image of the 30th Conference Proceedings: A photo of skyscrapers in Montreal. Yellow background.

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Published

1997-09-18

Issue

1997

Section

Research Summaries - Beef and General I & II