西藏拉萨市部分鸡场鸡沙门氏菌病流行病学调查
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S851.3

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西藏自治区2015年自然科技基金“拉萨地区鸡沙门氏菌血清型和耐药性研究”


Epidemiological Investigation on Chicken Salmonellosis in Some Chicken Farms in Lhasa City of Tibet
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    摘要:

    为了解拉萨市鸡沙门氏菌病的流行情况,探讨主要发病原因,2015年4月至2016年9月,对拉萨市5个县(区)12个集约化养鸡场进行了流行病学调查。结果显示:所采集的1 203份样品中,共检测出沙门氏菌589株,阳性率达48.96%,说明拉萨市鸡沙门氏菌感染较为普遍;在所检测的样品中,种鸡、种蛋检出率分别为41.00%和37.00%,说明种鸡沙门氏菌带菌现象较为严重;病鸡样品检出率为70.54%,其中成年鸡为57.63%、鸡舍环境样本阳性率为16.67%,饲料阳性率为11.60%,说明这些都是造成沙门氏菌水平传播的主要风险因素。

    Abstract:

    In order to investigate the prevalence of Salmonella in Lhasa city and the main causes of Salmonellosis,epidemiological investigation was carried out in 12 chicken farms in 5 counties(districts)of Lhasa city,from April 2015 to September 2016. The results showed as the follows:Among the 1 203 collected samples,589 strains of Salmonella were isolated(positive rate of 48.96%),which indicated the prevalence of Salmonella was high in Lhasa city. Among the tested samples,the positive rates of breeding chicken and hatching egg were 41.00% and 37.00%,respectively,which showed that the vertical transmission of Salmonella was seriously. Among the tested samples,the positive rate of sick chicken was 70.54%,of which the positive rate of adult chicken was 57.63%,the positive rates of environmental and feed samples were 16.67% and 11.60%,respectively. All mentioned above were the major factors for spreading of chicken Salmonella.

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元振杰,王燕,马弘财,次仁多吉,拉巴次旦,曾江勇,四朗玉珍,马兴斌.西藏拉萨市部分鸡场鸡沙门氏菌病流行病学调查[J].《中国动物检疫》编辑部,2017,34(8):23-25.

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  • 在线发布日期: 2017-08-02
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