泌乳獭兔体重与产仔数和仔兔窝增重关系的研究

Study on Relationship of Body Weight Change of Nursing Kexrabit With Litter Size and Litter Weight Gain

通过对 2 0只同期分娩的泌乳獭兔的体重变化规律及其与产仔数和仔兔窝重相关关系研究 ,结果表明 :母兔产仔后 2 0d体重下降到最低点 ,以后母兔体重开始恢复 ;泌乳期间 ,獭兔体重变化与产仔数无明显相关关系 ,r =0 2 2 3;泌乳獭兔体重变化与仔兔窝重呈正相关r =0 989;窝产仔数与出生仔兔个体重存在着较强的负相关 ,r =0 84 9.

20 nursing Kexrabit of close parturition were employed to study the body weight changes postparturition, and the relationship between litter size and litter weight as well. The results showed： the live weight of nursing Kexrabit reached the nadir, then regain weight afterwards; no relationship was observed between the body weight change and litter size （r=0.223）, however, there was a positive correlation between body weight change and litter weihgt （ r = 0.989）. A negative relationship between litter size and birth weight was also observed （r = 0.849）.