Effect of<I>Bordetella bronchiseptica/Pasteurella multocida</I>type D Vaccine on Atrophic Rhinitis in the Field

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  • 野外における<I>Bordetella bronchiseptica/Pasteurella multocida</I>D型混合不活化ワクチンの豚萎縮性鼻炎に対する効果
  • 野外におけるBordetella bronchiseptica/Pasteurella multocida D型混合不活化ワクチンの豚萎縮性鼻炎に対する効果
  • ヤガイ ニ オケル Bordetella bronchiseptica Pas
  • Effect ofBordetella bronchiseptica/Pasteurella multocidatype D Vaccine on Atrophic Rhinitis in the Field

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Abstract

Effects ofBordetella bronchiseptica and Pasteurella multocidatype D vaccine on atrophic rhinitis (AR) was evaluated in the field. Thirty two pregnant sows were vaccinated twice with 2ml prior to farrowing and their 300 piglets were vaccinated with 1ml once or twice. In herd A, turbinate atrophy was seen in 16.3% and 12.1% of piglets vaccinated with one and two doses, respectively, while in 52.8% of the control group. In herd B, showing obvious clinical sings of AR and turbinate atrophy (70%) in the control group, the incidence of clinical signs and turbinate atrophy were significantly lower in the both vaccinated groups. The mean ages of slaughtering were 8.9 and 11.2 days shorter in the vaccinated groups with one and two doses, respectively.

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