Only when the cholic acid and bile free cholesterol concentrationwas examined crossly,did the change become statistically higher in natural estrus than in induced diestrus or vice versa.

• 在以自然求偶期与人为求偶间期或人为求偶期与自然求偶间期胆醉与胆汁胆固酵之浓度相互比较，才看到浓度变异和自然情况一样，在人为的求偶期比在人为的求偶间期为高。