Higgins R, Malo R, René-Roberge E, Gauthier R
Avian Dis. 1982 Jan-Mar;26(1):26-33.
The salmonella status of nine different broiler-chicken flocks was studied from the day before the chickens were placed in the house until their sixth week of age. The presence of salmonella serotypes in dust, litter, feces, water, and feed was investigated. Dust from different sites was sampled and appeared to be contaminated with salmonellae even after six of the nine houses were disinfected. Defects in the cleaning and disinfection of air inlets and fans seemed to be an important factor for the recontamination of the house. Chickens were often contaminated at the hatchery, and in two houses the percentage of contamination had increased to as much as 82 7% and 88 8% at six weeks of age. Swabbing of intact and fresh feces appeared to be a more reliable technique than culturing the litter for evaluating the shedder state of the flock, and it appeared also to be more rapid and simple than the collection of cloacal swabs.
对九个不同肉鸡群的沙门氏菌状况进行了研究，从鸡放入鸡舍的前一天开始，直至它们六周龄。调查了灰尘、垫料、粪便、水和饲料中沙门氏菌血清型的存在情况。对不同地点的灰尘进行了采样，即使在九个鸡舍中的六个进行消毒后，仍似乎被沙门氏菌污染。进气口和风扇的清洁和消毒缺陷似乎是鸡舍再次污染的一个重要因素。鸡在孵化场经常被污染，在两个鸡舍中，六周龄时污染百分比分别增加到高达82.7%和88.8%。擦拭完整且新鲜的粪便似乎是一种比培养垫料更可靠的评估鸡群带菌状态的技术，而且它似乎也比采集泄殖腔拭子更快速、简单。
