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本文观察ＫＦ－９５０对兔的抗生育作用。ＫＦ－９５０对家兔阴道给药５ｍｉｎ后人工授精，１０～１４ｄ后剖腹计数黄体数和宫内胚胎数。结果示 ＫＦ－９５０ ３ ｍｇ组家兔卵受精率１０％（溶剂对照组１００％，两组相差显著，Ｐ＜０．０５），避孕率７１．４３％（溶剂对照组避孕率为０，两组相差显著，Ｐ＜０．０１）。ＫＦ－９５０ ６ ｍｇ组避孕率１００％。研究认为 ＫＦ－９５０在体内有明确避孕效果。
This article observed KF-950 on the anti-fertility of rabbits. KF-950 was administered to the rabbits 5 days after vaginal administration, artificial insemination, laparotomy 10 to 14 days after counting the number of luteal and intrauterine embryos. The results showed that the fertilization rate of rabbit in KF-950 3 mg group was 10% (100% in solvent control group, the difference was significant between the two groups, P <0.05), the contraceptive rate was 71.43% (contraceptive rate in solvent control group was 0, Group difference was significant, P <0.01). KF-950 6 mg group contraceptive rate of 100%. Research suggests that KF-950 has a clear contraceptive effect in the body.