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- Title
Possible pathogenic interplay between Chlamydia suis, Clamydophila abortus and PCV-2 on a pig production farm.
- Authors
Schautteet, K.; Beeckman, D. S. A.; Delava, P.; Vanrompay, D.
- Abstract
A concurrent outbreak of chlamydial disease in boars, sows and gilts and postweaning multisystemic wasting syndrome (PMWS) in weaned piglets was investigated on a large pig production farm in Estonia. Chlamydia suis DNA was detected in conjunctival swabs from boars, sows and gilts, but also in the faeces of boars and sows. Chlamydophila abortus DNA was found in semen, and in conjunctival swabs from sows; DNA was demonstrated by microarrays. Serum samples from boars were examined using a Chlamydiaceae-specific recombinant ELISA. All 10 serum samples examined were positive (1:960 to 1:3840). Chlamydiosis was characterised by reproductive failure and conjunctivitis. Piglets were not examined for Chlamydiaceae, as eye problems were not observed. Piglets showed wasting, respiratory signs, diarrhoea, enlargement of lymph nodes and increased mortality (10 per cent). Porcine circovirus type 2 (PCV-2) was detected in the lymph nodes of piglets by immunohistochemistry, and PCV-2 antibodies were demonstrated in all 10 serum samples from sows examined using an immunoperoxidase monolayer assay.
- Subjects
ESTONIA; CHLAMYDIA infections; SWINE diseases; DNA microarrays; ENZYME-linked immunosorbent assay; MICROBIOLOGICAL assay; IMMUNOHISTOCHEMISTRY; STATISTICAL sampling
- Publication
Veterinary Record: Journal of the British Veterinary Association, 2010, Vol 166, Issue 11, p329
- ISSN
0042-4900
- Publication type
Article
- DOI
10.1136/vr.b4714