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Efficacy of Bordetella bronchiseptica bacterin in controlling enzootic atrophic rhinitis in swine.

Abstract
The efficacy of a Bordetella bronchiseptica bacterin was evaluated in 2 commercial swine herds affected with mild and severe enzootic atrophic rhinitis (AR). In the 1st herd study, (mild AR), the degree of clinical AR, nasal turbinate evaluation, blood serum titer to B bronchiseptica antigen, and adjusted days from birth to 100 kg were determined for individual pigs. Bacterin inoculation reduced the incidence and severity of gross turbinate atrophy 57% and reduced clinical AR over 93%. Inoculated swine had an average blood serum-agglutinating titer greater than 1:2,793 and noninoculated (control) swine had an average titer of 1:112. Increased serum titer significantly (P less than 0.05) correlated with decreased degree of nasal turbinate atrophy. Inoculated and control pigs reached 100 kg in an average of 171 and 178 days after birth, respectively. In the 2nd study (severe enzootic AR), inoculated and control pigs were individually evaluated for clinical AR and total average daily weight gain. Inoculation reduced clinical AR over 90%. The total average daily gain for the inoculated and control pits was 435.84 g and 340.50 g, respectively. Inoculated pigs and control pigs reached 100-kg market weight in 184 and 238 days, respectively.
AuthorsR A Goodnow, F J Shade, W P Switzer
JournalAmerican journal of veterinary research (Am J Vet Res) Vol. 40 Issue 1 Pg. 58-60 (Jan 1979) ISSN: 0002-9645 [Print] United States
PMID453686 (Publication Type: Journal Article)
Chemical References
  • Antibodies, Bacterial
  • Bacterial Vaccines
Topics
  • Animals
  • Antibodies, Bacterial (analysis)
  • Bacterial Vaccines
  • Body Weight
  • Bordetella (immunology)
  • Bordetella Infections (prevention & control, veterinary)
  • Female
  • Male
  • Rhinitis, Atrophic (prevention & control, veterinary)
  • Swine
  • Swine Diseases (prevention & control)

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