Situation of the black goat in winter in Wumeng Mountain Area

Grassland and animal industry plays an important role in economic development and improvement of ecological environment in Guizhou Province. In order to improve the productive efficiency of breeding black goat in Guizhou Province, a farm surveys and lab examination to analyze black goat overwintering were conducted in Hezhang County. The results showed that there were 19.3% mortality of black goats in winter. The mortality of goat lamb was 31.0% which was the highest, while finishing goats were as low as 3.8%. Mean body weight loss of black goat was significantly 11.4% in winter and it was the highest in January. The abortion of pregnant black goat was 28.6%. The experimental results showed that the positive rates of Toxoplasma gondii, Chlamydia and brucella in the pregnant black goats were 0. It showed that the abortion of pregnant black goat in Hezhang County was not caused by Brucella, Chlamydia, and Toxoplasma gondii. The improvement of shed facilities, ration nutrition and herd organization could reduce winter mortality, lower abortion rate, and avoid body weight loss of black goat in winter. The black goat overwintering problem could be solved in Hezhang County and the productive efficiency of grassland and animal industry could be improved.