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首页> 外文期刊>Tropical Animal Health and Production >Risk factors associated with prevalence of tuberculosis-like lesions and associated mycobacteria in cattle slaughtered at public and export abattoirs in Ethiopia
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Risk factors associated with prevalence of tuberculosis-like lesions and associated mycobacteria in cattle slaughtered at public and export abattoirs in Ethiopia

机译：埃塞俄比亚在公共场所和出口屠宰场屠宰的牛中与结核样病变和相关分枝杆菌流行有关的危险因素

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摘要

This study was aimed at investigating risk factors associated with prevalence of tuberculosis (TB)-like lesions and associated mycobacteria in Ethiopian cattle slaughtered. The study was carried out during 2006-2007 in five selected municipal and export abattoirs. Methods of investigation involved detailed necropsy examination of carcasses and isolation of mycobacteria from pathologic tissue specimens. Factors of animal and environment origin were recorded and examined as explanatory variables in relation to the presence or absence of TB-like lesions and the presence of viable mycobacteria. Multivariable logistic regression analysis was used to identify risk factors associated with prevalence of TB-like lesions and mycobacteria. Out of 3,322 carcasses inspected, 10.2% (95% confidence interval (CI) [9.2-11.3]) and 3.2% (95% CI [2.6-3.8]) were positive, respectively, based on necropsy and bacteriologic examinations. The highest and lowest lesion prevalence was recorded in Adama (24.7%) and Yabello (4.2%), respectively. Multivariable logistic regression analysis identified age, breed, abattoir location, geographic origin and management system as being risk factors for prevalence of TB-like lesions and occurrence of viable mycobacteria in Ethiopian cattle. The study demonstrated mycobacterial infection as important infectious disease of Ethiopian cattle. The reported confirmed cases of the disease in different management and geographic settings in Ethiopia disproved the earlier held opinion of its occurrence as a low sporadic profile. In view of a dietary proclivity of Ethiopian communities (milk and meat are predominantly consumed raw) and lifestyle (close contact of people with animals), the risk of bovine tuberculosis as a public health threat is eminent.
机译：这项研究的目的是调查与屠宰埃塞俄比亚牛中的结核病（TB）样病变患病率和相关分枝杆菌有关的危险因素。该研究是在2006-2007年期间对五个选定的市政和出口屠宰场进行的。调查方法包括尸体尸检和从病理组织标本中分离分枝杆菌。记录和检查动物和环境起源的因素，作为与是否存在结核样病灶和活的分枝杆菌有关的解释变量。多变量logistic回归分析用于确定与结核样病变和分枝杆菌患病率相关的危险因素。根据尸检和细菌学检查，在检查的3,322具屠体中，分别为10.2％（95％置信区间（CI）[9.2-11.3]）和3.2％（95％CI [2.6-3.8]）为阳性。病损患病率最高和最低的分别是阿达玛（24.7％）和亚贝罗（4.2％）。多变量logistic回归分析确定年龄，品种，屠宰场位置，地理起源和管理系统是埃塞俄比亚牛结核样病变盛行和可行分枝杆菌发生的危险因素。研究表明，分枝杆菌感染是埃塞俄比亚牛的重要传染病。埃塞俄比亚在不同管理和地理环境下报告的确诊病例证实了该病以零星分布为特征的早期观点。考虑到埃塞俄比亚人的饮食习惯（牛奶和肉类主要是生食）和生活方式（人与动物的密切接触），牛结核病作为公共卫生威胁的风险迫在眉睫。

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