Relation between vulva color and reproductive performance in rabbit does using AI technique

In this study, a total number of 307 female New Zeal and white rabbits were used to study the relationship between the color of the vulva and the reproductive performance. By the use of A. I. technique, the conception rate [CR], pregnancy duration [PD] and litter size [LS] were recorded. Four groups were classified according to the vulva color as congested red, pink, purple and pale. Highly significant variations were recorded between the four groups in all parameters studied. The highest CR, shortest PD and largest LS were recorded for the congested red vulva group. The pale vulva group failed to conceive