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Conference paper
Lack of significant systemic immune response in pigs experimentally
Published 1998
15th International Pig Veterinary Society Congress, 05/07/1998–09/07/1998, Birmingham, UK
Porcine intestinal spirochaetosis (PIS) is a-diarrhoeal disease resulting from colonisation by the spirochaete Serpulina pilosicoli (I). Little is known about immunity in this infection (2). Individual animals may be colonised for extended periods of time, and the disease in infected piggeries appears to occur sporadically. Pig infected with PIS suffer from decreased growth rates, poor feed conversion, and weight loss (3). This experiment was conducted to determine whether infected pigs developed circulating antibodies to the spirochaete, and to evaluate the effect of vaccination.