草原放牧肉牛发生跛行病因分析与防治试验

Pathogen analysis and prevention of Limping in beef cattle on prairie

赤峰市巴林右旗索博日嘎镇草原放牧的肉牛大面积发生异嗜和跛行症状,经流行情况调查、牧草钙磷营养分析、血清钙磷含量测定、防治试验和大群防治结果表明,是由于严重干旱导致草场上牧草中磷含量降低,钙、磷比例严重失调,造成放牧肉牛矿物质营养缺乏性代谢病。放牧肉牛异嗜发病率平均为33.70%,其中哺乳母牛出现跛行症状的占群体的11.31%。采取以增磷为主的增磷补钙措施进行防治,迅速控制了病情的发展,群体防治总有效率达98.50%。

A large number of beef cattle suffered from Pica addiction and limping symptoms on prairie in the Suoboriga town,Balinyouqi county of the Chifeng city.The results of epidemiological investigations,forage grass calcium phosphorus trophic analysis,blood serum calcium phosphorus content determination,prevention and control indicated that the disease of herding beef cattle,suffered from mineral nutrition metabolic disease which was caused by the lower phosphorus contents,serious imbalance of calcium and phosphorus in severe drought grasses.The average incidence rate of the herding beef cattle is 33.70%,among which the lactating cows took 11.31%.Increase of calcium phosphate was taken as a control measure,and the situation was controlled rapidly.The total effective rate of the community control reached 98.50%.