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jie shao yi zhong gao han di qu huo de li yu zao miao de cuo shi he fang fa
Author(s): 
Pages: 34-35
Year: Issue:  4
Journal: Heilongjiang Fisheries

Keyword:  高寒地区丰年虫覆膜大棚鲤鱼经济效益鱼苗开口饵料成活率早苗发塘热电厂;
Abstract: <正> 我省不仅冬季寒冷,而且春季气温较低,且常受到寒流的袭击。常规的鲤鱼产孵时间较晚,约在5月底至6月初,且发塘时间长,鱼种的收养时间要到6月末,鱼种的饲养期短,影响了产量和规格,进而影响了经济效益。常用的对策, 一是购南方空运鱼苗,二是从各热电厂购苗。这两种办法常常受到接苗时间、运输时间、鱼苗体质、当时的气候条件及给苗数量等多种因素的限制,往往会出现数量不足甚至空塘而影响生产 针对这一问题,我们在实践中摸索出一种适合我省地域条件解决鲤鱼早苗的措施和办法。现介绍如下:
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