冬季是传统养殖渔业的收获时节。目前我国的养殖制度仍以春放冬收为主,且食用鱼时令性、季节性、商品性都很强,因此,适应市场经济的要求,做好冬季食用鱼的生产管理技术工作十分重要。 1.适时捕捞。根据时令节气、节日与市场的要求,适时捞捕。一般来说,元旦、春节是食用鱼上市最集中的时候,应在寻找市场、积极促销的前提下,抓住有利时机安排食用鱼捞捕。 2.捕大留小。这是食用鱼起捕的一个原则。捕大留小一是渔业法规的要求,二是消费者的选择需求,三是保持该养殖水体持续生产对老口鱼种的需要。起捕的食用鱼规格:白鲢尾重0.5公斤以上,花鲢0.75公斤以上, Winter is the harvest season of traditional farming fisheries. At present, the breeding system in our country is still dominated by spring and winter harvest, and the seasonal, seasonal and commercial characteristics of fish are very strong. Therefore, it is very important to meet the requirements of the market economy and do a good job in the production and management of winter food fish. 1. Timely fishing. According to seasonal solar terms, holiday and market requirements, timely fishing. In general, New Year’s Day, Spring Festival is the most concentrated fish market, should seek the market, and actively promote the premise, seize the favorable opportunity to arrange fishing for food. 2. catch big stay small. This is a principle for catching fish. Catching big and small is the first fishery regulations, the second is the choice of consumer demand, the third is to maintain the breeding water continued production of old mouth fish species needs. Catching fish food specifications: white silver tail weight more than 0.5 kg, silver carp 0.75 kg or more,