Irwin R J, Poppe C, Messier S, Finley G G, Oggel J
Agriculture and Agri-Food Canada, Health of Animals Laboratory, Guelph, Ontario.
Can J Vet Res. 1994 Oct;58(4):263-7.
In 1990-1991, a national survey was conducted to estimate the prevalence of Salmonella species among Canadian commercial turkey flocks. Two hundred and seventy flocks were randomly selected across Canada. The proportion sampled from each province was selected according to each province's share of the national turkey market. Samples, consisting of 12 pooled litter and four pooled dust samples, were used to determine the Salmonella status of the environment of each flock. Additionally, a one kilogram sample of feed was taken from each flock premise. Salmonella was recovered from environmental samples in 234/270 (86.7%) of flocks and from feed samples in 26/266 (9.8%) of flocks. Forty-eight different Salmonella serovars were isolated from flock environmental samples. The most prevalent serovars were S. anatum, S. hadar, S. agona, S. heidelberg and S. saintpaul which were isolated from 53/270 (19.6%), 49/270 (18.1%), 49/270 (18.1%), 42/270 (15.6%) and 34/270 (12.6%) flocks, respectively.
1990 - 1991年，开展了一项全国性调查，以估计加拿大商业火鸡群中沙门氏菌的流行率。在加拿大随机挑选了270个鸡群。每个省份抽样的比例是根据该省在全国火鸡市场中的份额来确定的。样本由12份混合垫料和4份混合灰尘样本组成，用于确定每个鸡群环境中的沙门氏菌状况。此外，从每个鸡群饲养场所采集了1千克饲料样本。270个鸡群中有234个（86.7%）的环境样本检测出沙门氏菌，266个鸡群中有26个（9.8%）的饲料样本检测出沙门氏菌。从鸡群环境样本中分离出了48种不同的沙门氏菌血清型。最常见的血清型是鸭沙门氏菌、哈达尔沙门氏菌、阿哥纳沙门氏菌、海德堡沙门氏菌和圣保罗沙门氏菌，分别从270个鸡群中的53个（19.6%）、49个（18.1%）、49个（18.1%）、42个（15.6%）和34个（12.6%）鸡群中分离得到。
