论文部分内容阅读
生产实践中,常有部分养殖户认为:秋后鱼塘环境稳定,过冬鱼种不需要精心管理,这是十分错误的观点,往往会引起来年养殖产量下降,收入减少。因此,鱼塘越冬前应做好抓膘、并塘、进箱、消毒治病等一系列工作,这样才能提高来年的养殖效益。1.冬前抓膘冬前气候适宜,应保证鱼种能安全摄食,使之膘肥体壮,提高鱼种的耐寒力与抗病力。为此,首先要培肥水质,每亩(1亩=667平方米,下同)鱼塘撒施腐熟粪肥400～
Production practice, some farmers often think: after the autumn fish ponds stable environment, winter species do not need careful management, which is a very wrong point of view, often lead to decreased production of aquaculture next year, reduced income. Therefore, before the winter ponds should catch catch, and ponds, into the box, disinfection and treatment and a series of work, so as to improve farming efficiency in the coming year. 1. Pre-winter catches pre-winter climate is appropriate, should ensure that fish species can safely ingest, so that fat and strong, improve the cold tolerance and disease resistance of fingerlings. To this end, we must first cultivate fertilizer water quality, per mu (1 mu = 667 square meters, the same below)