The superovulation start in estrus cycle day 0～ in range of day 8～ gets better response than other days;
The superovulation start in estrus cycle day 0～ in range of day 8～ gets better response than other days;
在发情周期的第8～天开始超排,其中第0～天的卵巢反应最好;
The superovulation start in estrus cycle day 0～ in range of day 8～ gets better response than other days;
在发情周期的第8～天开始超排,其中第0～天的卵巢反应最好;