母兔超数排卵影响因素的研究

采用国产促性腺激素对新西兰白兔进行超数排卵试验,研究激素、季节及兔龄对超排效果的影响。结果发现:①FSH组(30.05±8.97个/只)平均排卵数显著高于PMSG组(22.46±5.18个/只)(P＜0.05)。②母兔在春季、夏季、秋季、冬季的平均排卵数为32.34±5.58、15.96±4.11、24.18±4.95和22.61±3.75个/只,春季的处理效果显著优于其他3个季节(P＜0.05),而秋季和冬季处理组之间没有显著差异(P＞0.05),但都显著高于夏季(P＜0.05)。③经产母兔超排处理后的平均排卵数(30.56 ± 6.79个/只)显著高于青年母兔平均排卵数(21.60 ± 3.66个/只)(P＜0.05)。以上结果表明,SH超排效果优于PMSG,且在春季对母兔进行超排处理比较合适,经产母兔比青年母兔超排效果更好。

Study on Superovulation in Female Rabbits

The effect factors of the superovulation in rabbit were investigated in this study. The results showed: ①The average number of oocytes recovered from FSH-treated group(30.05±8.97) was significantly higher than PMSG-treated group (22.46±5.18)(P＜0.05). ② When the superovulation was conducted in seasons of Spring,Summer,Autumn and Winter,the number of recovered oocytes were 32.34±5.58, 15.96±4.11, 24.18±4.95 and 22.61±3.75,respectively,the number of recovered oocytes of the treatment group in Spring was higher than that of the other three groups (P＜0.05),and there were no difference between Autumn and Winter groups(P＞0.05),but both of them were higher than Summer group (P＜0.05). ③ The average number of oocytes recovered from superovulation in pluriparous rabbit group(30.56±6.79) was higher than young rabbit group (21.60±3.66)(P＜0.05). These results indicated that the effect of FSH on superovulation in rabbit was more effective than PMSG,and the season of spring and pluriparous rabbit were comparatively suitable for superovulation.