Author: Wallgren, Per; Nörregård, Erik; Molander, Benedicta; Persson, Maria; Ehlorsson, Carl-Johan
Title: Serological patterns of Actinobacillus pleuropneumoniae, Mycoplasma hyopneumoniae, Pasteurella multocida and Streptococcus suis in pig herds affected by pleuritis Document date: 2016_10_4
ID: 1qd5jmfo_43
Snippet: Pleuritic lesions registered at slaughter ranged from 20.5 to 33.1 % in the four herds. High levels of serum antibodies to A. pleuropneumoniae and P. multocida, either alone or in combination, were seen. Pigs in this study seroconverted to M. hyopneumoniae late during the rearing period (herd B-D), or not at all (herd A), confirming a positive effect of age segregated rearing in preventing or delaying infections with M. hyopneumoniae. The results.....
Document: Pleuritic lesions registered at slaughter ranged from 20.5 to 33.1 % in the four herds. High levels of serum antibodies to A. pleuropneumoniae and P. multocida, either alone or in combination, were seen. Pigs in this study seroconverted to M. hyopneumoniae late during the rearing period (herd B-D), or not at all (herd A), confirming a positive effect of age segregated rearing in preventing or delaying infections with M. hyopneumoniae. The results obtained highlight the necessity of diagnostic investigations to define the true disease pattern in herds with a high incidence of pleuritic lesions.
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