猪沙门氏菌发病率的流行病学研究。
An epidemiological study of the incidence of salmonellas in pigs.
作者信息
Ghosh A C
出版信息
J Hyg (Lond). 1972 Mar;70(1):151-60. doi: 10.1017/s0022172400022191.
The incidence of salmonellas in pigs was studied in five farms and a bacon factory.Persistence and spread of salmonella excretion in pigs in a breeding establishment is described. Salmonella excretor boars and sows were responsible for the spread and perpetuation of infection in the farm. The possibility of spreading salmonella infection between farms through the distribution of excretor pigs was studied. Infection persisted and was related to the initial state of excretion of the pigs while at the farm of origin.The importance of feeding stuffs as a source of salmonella infection in pigs is discussed. Specially prepared heat treated pellets fed to the pigs prevented the introduction of salmonellas.
在五个农场和一家培根厂对猪沙门氏菌的发病率进行了研究。描述了种猪场中猪沙门氏菌排泄的持续性和传播情况。沙门氏菌排泄公猪和母猪是农场感染传播和持续存在的原因。研究了通过出售排泄沙门氏菌的猪在不同农场间传播感染的可能性。感染持续存在，且与猪在原农场时的初始排泄状态有关。讨论了饲料作为猪沙门氏菌感染源的重要性。给猪喂食经过特殊热处理的颗粒饲料可防止沙门氏菌的传入。
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