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qian yi tian jin di qu 2001 nian zhu yang li yu si liao xi shu pian gao de yuan yin ji dui ce
Author(s): 
Pages: 38-39
Year: Issue:  2
Journal: Tianjin Fisheries

Keyword:  GetLinkList(KeywordFilter('天津地区:5068饲料系数:4880配合饲料:3321饲料利用率:2923主养鲤:2786富营养化:2661放养密度:2579对策:1842养殖户:1774效益高:1693')'kw''CJFQ');
Abstract: <正> 配合饲料喂鱼与传统方法相比,具有放养密度大、生长快、抗逆性强、效益高等优点。但近几年来,由于天津地区连年干旱,水源缺乏,池塘水质严重富营养化,导致主养鲤鱼饲料系数普遍偏高,吃食鱼对配合饲料利用率偏低,再加上饲料、成鱼价格等方面的不理想,造成养殖户高投入低产出,或增产不增收乃至亏本,这一问题在2001年尤为严重。究其主因,我们认为降低饲料系数乃当务之急。分析造成饲料系数偏高主要原因和对策如下:
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