van de Giessen AW, van Leeuwen WJ, Ritmeester WS, Notermans SHW
RIVM Report 289206001
From November 1990 to October 1991 a study was carried out on the occurrence of Salmonella, especially S.typhimurium, on 50 pig-breeding farms. Salmonella was detected on 31 (62,0%) of the 50 farms. In the category of rearing sows Salmonella was detected most frequently, whereas in the category of weaning piglets Salmonella was found the least frequently. S.typhimurium was the most frequently detected serotype and was found on 10 (20,0%) of the 50 farms. Other serotypes frequently isolated were S.derby, S.livingstone, S.panama and S.brandenburg.