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- Title
Bacterial polyarthritis in post-weaning pigs in a high-density swine breeding area in Italy.
- Authors
Salogni, Cristian; Capucchio, Maria Teresa; Colombino, Elena; Pozzi, Paolo; Pasquali, Paolo; Alborali, Giovanni Loris
- Abstract
We assessed the bacterial agents found in 8–12-wk-old post-weaning pigs with arthritis. The bodies of 178 post-weaning pigs from 90 farms (average of 2 pigs/farm) with recurrent problems of lameness and swollen joints in a high-density breeding area were submitted for autopsy and sampled for further bacterial investigation. The most common articular gross lesions and histopathologic findings were serofibrinous (95 of 178; 53%) or serous (65 of 178; 37%) arthritis; suppurative lesions were less frequent (18 of 178; 10%). In 133 of 178 (74.7%) cases, a bacterial agent was detected in joints. Mycoplasma hyorhinis was the most common bacterium detected (82 of 133; 61.6%). Haemophilus parasuis and Streptococcus spp. were observed in 27 of 133 (20.3%) and 24 of 133 (18.0%) cases, respectively. Other bacteria in the 113 cases, considered less important, in order of their low frequency, were Mycoplasma spp. (13; 9.8%), Trueperella pyogenes (11; 8.2%), Mycoplasma hyosynoviae (4; 3.0%), Staphylococcus spp. (3; 2.2%), Escherichia coli (2; 1.5%), and Actinobacillus spp. (2; 1.5%). Our results highlight the primary role of M. hyorhinis compared to other microorganisms involved in young pigs with arthritis.
- Subjects
ITALY; SWINE breeds; SWINE breeding; ACTINOBACILLUS; HAEMOPHILUS; STAPHYLOCOCCUS; MYCOPLASMA; SWINE
- Publication
Journal of Veterinary Diagnostic Investigation, 2022, Vol 34, Issue 4, p709
- ISSN
1040-6387
- Publication type
Article
- DOI
10.1177/10406387221090903