一项针对一群养殖麋鹿结核病的屠宰场研究。
An abattoir study of tuberculosis in a herd of farmed elk.
作者信息
Whiting T L, Tessaro S V
机构信息
Food Production and Inspection Branch, Agriculture and Agri-Food Canada, Winnipeg, Manitoba.
出版信息
Can Vet J. 1994 Aug;35(8):497-501.
The purpose of this study was to examine the prevalence and distribution of grossly visible lesions of tuberculosis in a herd of 344 North American elk (Cervus elaphus) depopulated during a three-month period in 1991. Abattoir inspection detected mycobacterial lesions in 134 (39.8%) of the 337 animals received for slaughter. The prevalence of lesions increased with the age of the animals. Lesions were predominantly suppurative rather than caseous, and mineralization was less evident than in tuberculous lesions in cattle. Lesions occurred predominantly in lymph nodes, and lungs were the only organs in which mycobacterial lesions were found. The distribution of lesions suggested that aerosol transmission was the most significant means of spread of the disease within the herd. Giant liver flukes (Fascioloides magna) were observed in approximately 80% of the adult elk.
本研究的目的是调查1991年在三个月期间被扑杀的344头北美麋鹿（ Cervus elaphus ）群体中肉眼可见的结核病病变的患病率和分布情况。屠宰场检查在接收屠宰的337头动物中的134头（39.8%）检测到分枝杆菌病变。病变的患病率随动物年龄增加而升高。病变主要为化脓性而非干酪样，且矿化程度不如牛的结核病变明显。病变主要发生在淋巴结，肺是唯一发现分枝杆菌病变的器官。病变的分布表明，气溶胶传播是该病在鹿群中传播的最重要途径。在大约80%的成年麋鹿中观察到巨片形吸虫（ Fascioloides magna ）。
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