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The Effect of Atrophic Rhinitis on Growth Rate

Atrofisk rhinitts innvirkning på tilveksthastighet

Abstract

Growth rate in pigs with turbinate atrophy was compared to growth rate in pigs without turbinate atrophy in 9 herds with atrophic rhinitis (AR) in which toxigenic strains of Pasteurella multocida had been isolated. Average reduction in growth rate in pigs with severe turbinate atrophy was 4.7 % as compared to pigs without turbinate atrophy. The difference was statistically significant only in some herds. Pigs with moderate AR gained on average 1.1 % less than unaffected ones. Thus, the study supports the assumption that AR is of economic significance in modern pig farming.

Sammendrag

Tilveksten hos griser med og uten concha-atrofi ble sammenlignet i 9 besetninger som alle hadde klinisk nysesjuke og hvor toksinproduserende stammer av Pasteurella multocida var påvist. Griser med uttalt concha-atrofi vokste i gjennomsnitt 4,7 % seinere enn griser uten tryneforandringer i samme besetning, mens griser med moderat concha-atrofi hadde gjennomsnittlig 1.1 % nedsatt tilvekst. Selv om reduksjonen i tilvekst ikke var statistisk signifikant i alle besetninger, bekrefter dette at nysesjuke medfører økonomiske tap i moderne svinehold.

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Baalsrud, K.J. The Effect of Atrophic Rhinitis on Growth Rate. Acta Vet Scand 28, 299–304 (1987). https://doi.org/10.1186/BF03548597

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  • DOI: https://doi.org/10.1186/BF03548597

Keywords

  • pigs
  • toxigenic Pasteurella multocida