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春季,亲鱼的性腺发育已进入大生长期,需要大量的营养和适宜的环境,因此抓好亲鱼的春季培育十分重要。根据笔者多年的实践体会,其关键技术要诀是: 1 备好鱼池选择环境安静,交通便利,靠近水源和催产池,面积667m2-2 000 m2,水深2 m左右,池底平坦,淤泥较少,不渗漏的池塘为亲鱼培育池。放养前排干池水,冻、晒池塘,每667 m2用生石灰100 kg-150 kg全池泼洒消毒,5 d后注入新水。
In spring, the gonadal development of broodstock has entered a period of great growth and requires a large amount of nutrition and suitable environment. Therefore, it is very important to cultivate the broodstock in spring. According to the author’s years of practical experience, the key technical tips are: 1 prepared fish ponds to choose a quiet environment, convenient transportation, close to the water and oxytocic pools, an area of 667m2-2000 m2, depth of about 2 m, bottom flat, less sludge, No leakage of ponds for broodstock breeding pool. Drainage before draining pond water, frozen, sun ponds, with lime per 100kg-150kg Quanchiposa disinfection for 667 m2, 5 days after the injection of new water.