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选择在最适宜的时间催产,是家鱼人工繁殖获得成功的关键之一。而亲鱼的性腺发育状况是确定其最适催产期的主要根据。当雌亲鱼的卵巢发育到能够有效催产期后,有一段“等待”的时期。这
Choosing oxytocin at the most suitable time is one of the keys to success of artificial reproduction of domestic fish. The gonadal development of broodstock is the main basis for determining its optimum duration of delivery. There is a period of “waiting” when the females’ ovaries develop to be effective. This