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为了给来年提供足够而健壮的鱼苗,抓好亲鱼的秋季培育极为重要。为此,秋季培育亲鱼时,应注意以下四点:1 注意调节水质。通过调节,使池水保持肥、活、嫩、爽。亲鱼池应经常加注新水,水源困难的地方,可向池塘泼洒生石灰乳,以改善水质。2 注意饵料营养。根据亲鱼的品种,投喂营养较为丰富的饵料。鲢、鳙亲鱼池,一般每亩施充分发酵消毒后的人、畜粪尿200—400公斤,追施磷肥10公斤。草亲鱼池以喂青饲料为主,每日投草量一般为亲鱼体重的30—40％。鲤亲鱼还应投喂些精料,如蚕蛹、豆饼和麸皮等。
In order to provide adequate and robust fry for the coming year, it is extremely important that the fall breeding of the broodstock be properly carried out. To this end, cultivate broodstock in the fall, should pay attention to the following four points: 1 attention to regulate water quality. By adjusting the water to keep the fat, live, tender, cool. Pro-fish ponds should always be filled with fresh water, where water is difficult to spill limestone milk into the pond to improve water quality. 2 pay attention to food nutrition. According to the broodstock species, fed more nutritious feed. Silver carp, bighead carp pond, general per acre Shi fermented and disinfected people, excreta urine 200-400 kg, topdressing phosphate fertilizer 10 kg. Grass-fed fish pond to feed the main green feed, the daily amount of grass is generally fed to 30-40% of body weight. Carp fish should also feed some concentrate, such as pupae, bean cake and bran.