论文部分内容阅读
宜宾县喜捷公社下食堂大队渔业组,在1984年的鲤鲫钱繁殖过程中,采取亲鱼雌、雄分养、注射催产激素和人工孵化等技术措施,在2.2亩亲鱼池和2亩鱼苗培育池内,生产出镜鲤、丰鲤、荷色红鲤、白鲫、银鲫等良种鲤鲫鱼苗(6—8厘米长)150万尾,比去年增长90%以上,创造产值9,000多元,获得了较高的经济效益,他们的具体做法是。 1、雌雄分养。开春后对三口亲鱼池清池,每口池用竹箦拦为两段,将经过严格鉴定的雌雄亲鱼隔开饲养,以便人为地控制亲鱼的发情产卵时
Yibin County Commune Commune under the canteen brigade fishing team, in 1984, carp carp money breeding process, take the broodstock female, male parent, injection of oxytocin and artificial hatching and other technical measures, in 2.2 acres of broodstock pond and 2 acres of fry breeding The pond produces 1.5 million enduring carp crucian carp fry (6-8 cm in length), more than 90% more than in the previous year, and has produced more than 9,000 yuan in output value of mirror carp, abundance carp, red carp, white carp and silver carp. High economic efficiency, their specific practice is. 1, male and female points raised. After the spring on the three pro-fish pond Qingchi, each pond with bamboo sticks for two, will be strictly identified male and female broodstock kept separately in order to artificially control the broodstock spawning time