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不同投饵率对暗纹东方鲀幼鱼生长的影响 被引量:7

Effects of feeding rates on growth of juvenile Takifugu obscurus Abe
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摘要 比较投饵率水平分别为3%、4%、5%、6%时,对暗纹东方鲀幼鱼生长、饲料效率的影响,以确定暗纹东方鲀幼鱼阶段的适宜投饵率。在23℃下,对规格为3.45~3.56g的暗纹东方鲀幼鱼进行30d的生长实验,结果表明:不同投饵率对暗纹东方鲀幼鱼的特定生长率、质量相对增加率、饲料效率、存活率均有显著影响(p<0.05);暗纹东方鲀幼鱼的适宜投饵率为4%,在投饵率为4℅时,质量相对增加率为116.04±0.04%,饲料效率达83.70±0.02%,特定生长率为111.49±0.03%/d,存活率为84.44±0.02%。 A growth experiment was conducted to determine the optimum feeding rate and the effects of different feeding rates on the growth performance of juvenil Takifugu obscurus Abe.Four daily feeding rates were designed at 3%,4%,5% and 6% of the total body weight.Under the water temperature of 23℃,we made 30d of growth experiment on the fish that the average weight was 3.45~3.56g.The results showed that the relative weight gain,specific growth rate,food conversion efficiency and survival rate were significantly(p0.05) affected by feeding rate.The optimum feeding rate of juvenile Takifugu obscurus Abe should be 4%、 On the feeding rate,the relative weight gain was 116.04±0.04%,food conversion efficiency was 83.70±0.02%,specific growth rate was 111.49±0.03%/d and survival rat was 84.44±0.02 %.
出处 《福建水产》 2012年第2期160-162,共3页 Journal of Fujian Fisheries
关键词 投饵率 暗纹东方鲀 幼鱼 生长 feeding rate juvenile Takifugu obscurus Abe growth
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