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本文比较了植入前取出胚胎的孕兔、未取出胚胎的孕兔与假孕家兔血清中孕酮(P)和 LH 水平。研究采用未经交配的体重3～4kg 的新西兰或加利福尼亚雌兔70只,分别单独置于控制光照、温度的笼内(每24小时光照14小时)随意进食,将动情期家兔与证实有生育力的雄兔交配二次致孕。另取动情期家兔注射 hCG_(50)IU 致假孕。以交配或注射当天算作妊娠或假孕第0天。于交配后1～6天每天将5只孕兔用穿刺针插入输卵管以生理盐水冲洗
This article compares the progesterone (P) and LH levels in pregnant rabbits with preimplantation embryos, pregnant rabbits without embryos, and pseudopregnant rabbits. Study using unpaired body weight 3 ~ 4kg of New Zealand or California 70 female rabbits, were placed separately in the controlled light and temperature cage (every 14 hours of light for 14 hours) to eat at will, the estrus rabbits and confirmed fertility The force of the male rabbit mating second pregnancy. Another puberty rabbits injected hCG_ (50) IU induced false pregnancy. The day of mating or injection is counted as day 0 of pregnancy or pseudopregnancy. 1 to 6 days after mating daily 5 pregnant rabbits with a puncture needle into the fallopian tube washed with saline