Study on the normal growth rule of reserve cow of Chinese dairy cattle

This study based on the measurement records of the withers height,body length,chest girth from 170 reserve cows of Chinese dairy cattle in Dairy Cattle Farm of Caotan Farm from 1994 to 2007 in Xi'an city.The withers height,body length,chest girth and body weight were measured and its accumulation growth,absolutely growth and relative growth were calculated. The normal growth curves of the accumulation growth,absolutely growth and relative growth for the withers height,body length,and chest girth and body weight were made.The normal growth rule of reserve cow of Chinese dairy cattle in Xi'an area were analysis.Those research results provide foundation for making cultivation plan of reserve cow.