乌兰察布市泌乳奶牛亚临床酮病的调查研究

试验选取内蒙古乌兰察布市489头泌乳奶牛,通过对尿中和乳中酮体采用酮粉法检测进行奶牛亚临床酮病的监测与分析。结果表明,乌兰察布市泌乳奶牛亚临床酮病发病率为10.63%;第1和第2个泌乳月亚临床酮病发病率明显高于第3个及以上泌乳月;各胎次亚临床酮病发病率以3～5胎最高;日产奶量在30kg以上亚临床酮病发病率显著高于日产奶量在30kg以下奶牛;养殖小区以及规模户饲养奶牛的亚临床酮病发生率较高。

Investigation of Lactating Cows with Subclinical Ketosis in Ulanqab

A total of 489 lactating cows in Ulanqab were selected in the present investigation. Detection and analysis of the subclinical ketosis of dairy cattle were performed through testing ketone in urine and milk by the ketone body powder method. The results showed that the incidence rate of subclinical ketosis in Ulanqab lactating cows was 10.63 %; the subclinical ketosis incidence rate in the first and second months of lactation was significantly higher than that of the third months of lactation and the after m...