Abstract
ABSTRACT Prevalence of bovine tuberculosis infection in cattle in Aksu Prefecture determined by intradermal tuberculin skin test (TST), between 1985 and 2016. Cattle were analyzed according to region, feeding pattern, herds and age. A total of 890,009 cattle were tested, with overall bovine tuberculosis prevalence of 0.13% (1172/890009). Statistically significant difference was found in feeding pattern and herds. Prevalence in cows (0.19%, 615/327022) was higher than that in beeves (P< 0.01, OR= 1.903, 95% CI = 1.696 to 2.134). Significant difference (P< 0.01; OR= 2.238, 95%; CI= 1.937 to 2.585) was evident for rates for bovine tuberculosis in the peasant household (0.12%, 942/802343) and farm groups (0.26%, 230/87666). The overall prevalence of bTB was decreased in the Aksu Prefecture, especially the positive rate was under 0.1% in 2010s. We concluded that the control measures forbovine tuberculosis in the Aksu region cattle herds are effective.
Highlights
Infectious diseases are important factors affecting the health of populations
The overall prevalence in cows in the Aksu Prefecture was 0.13% (1172/890009), comparatively higher than those observed in Hui Autonomous Prefecture of Changji in Xinjiang (0.12%) (Ma et al, 2012)
The bovine tuberculosis in cattle was widespread in the 1940s, and outbreak in the 1950s, the highest infection rate of province reached 41.3% in China
Summary
Infectious diseases are important factors affecting the health of populations. Bacterial zoonoses still represent a serious medical problem (Wang et al, 2012; Karabay et al, 2004). Bovine tuberculosis (bTB) is a chronic debilitating and contagious disease of livestock, Prevalence of bovine. Other transmission pathways of infection such as ingestion of contaminated feeds, water and fomites have been confirmed (Gumi et al, 2011). While most cattle infected with M. bovis usually exhibit a chronic disease often characterized by lesions in the lungs and the lymph nodes of the head and thoracic cavity, progressive emaciation, diarrhea and reduced milk yields can occur. Most cases of bovine tuberculosis infection are inapparent and lack clinical symptoms. The main pathologic changes of bovine tuberculosis are tuberculous nodules and caseous necrosis or calcified nodules in variety of tissues and organs
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