一起肉牛黄曲霉等毒素中毒事件的紧急流行病学调查
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S851.3

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中国兽医现场流行病学培训项目(CFETPV);达州职业技术学院2022年度研究项目(2022DZYSH10)


An Emergency Epidemiological Investigation on a Poisoning Event with Aflatoxin and Other Toxins in Beef Cattle
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    摘要:

    2021年10月25日,四川省宣汉县某肉牛场发生肉牛猝死事件。为了解事件状况和发生原因,并尽可能采取措施减少养殖场的经济损失,赴现场开展了流行病学调查。调查发现,该牛场3 d内共死亡22头牛,累积死亡率为46.8%(22/47)。综合流行病学调查信息、病牛临床症状、剖检变化,初步推测肉牛猝死的原因是饲喂霉变饲料导致黄曲霉等毒素中毒。通过暂停饲喂原饲料,增加饮水量,更换饲草饲料并添加蒙脱石脱霉剂,肉牛发病情况得到有效控制。该起肉牛猝死事件提示,养殖场人员应加强饲养管理和疫病防控知识的学习,增强责任心,提高饲养管理能力。

    Abstract:

    On October 25,2021,some beef cattle suddenly died in a farm in Xuanhan County,Sichuan Province. In order to investigate the event and find out all the causes leading to the death,and to take measures to reduce economic loss of the farm as far as possible,an epidemiological investigation was carried out on the farm. It was investigated that a total of 22 cattle died within three days,with a cumulative mortality rate of 46.8%(22/47). It was preliminarily speculated that,based on the information of movement,clinical symptoms and changes under autopsy,the cattle died of aflatoxin poisoning due to feeding with moldy feed. The disease was effectively controlled after stopping feeding the previous feed,increasing the amount of drinking water,changing forage and adding montmorillonite. It was suggested that the farm staff should learn the knowledge about breeding management and disease prevention and control,strengthen their sense of responsibility and improve their ability for feeding and management.

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刘俐君,赵小波,冯华,王勤,梁璐琪.一起肉牛黄曲霉等毒素中毒事件的紧急流行病学调查[J].《中国动物检疫》编辑部,2022,39(7):29-33.

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  • 在线发布日期: 2022-07-04
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