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当前位置: 首页 > 文章 > 不同比例膨化豆粕替代鱼粉对虹鳟生长、体成分及血液学指标的影响 动物营养学报 2010,22 (1) 231-237
Position: Home > Articles > Effects of Different Replacement Ratio of Fish Meal by Extruded Soybean Meal on Growth,Body Composition and Hematology Indices of Rainbow Trout(Oncorhynchus mykiss) Chinese Journal of Animal Nutrition 2010,22 (1) 231-237

不同比例膨化豆粕替代鱼粉对虹鳟生长、体成分及血液学指标的影响

作  者：
陆阳;杨雨虹;王裕玉;王雷;王瑞霞
单  位：
东北农业大学动物科学技术学院
关键词：
虹鳟(Oncorhynchus mykiss);膨化豆粕;增重率;血液学指标
摘  要：
本研究旨在研究不同比例膨化豆粕替代鱼粉对虹鳟生长、体成分及血液学指标的影响。试验采用单因素完全随机分组设计,450尾虹鳟鱼,随机分为5个组,每组3个重复,每个重复放养30尾鱼,试验期90 d。选择初始条件一致、体重为(4.00±0.04)g的虹鳟为试验对象,基础日粮中含50%的鱼粉,以膨化豆粕为替代蛋白源并进行植酸酶预处理,各组分别含有0(对照组)、13.60%、27.20%、40.80%和54.40%的膨化豆粕,相应替代基础日粮中0、20%、40%、60%和80%的鱼粉蛋白。结果表明:各试验组虹鳟的脏体比、肥满度、全鱼和肌肉的主要营养成分以及谷草转氨酶、谷丙转氨酶等血清生化指标与对照组差异不显著(P>0.05);随着膨化豆粕替代比例的增加,虹鳟的各项生长及饲料利用指标在对照组与20%～60%的试验组之间差异不显著(P>0.05),与80%的试验组差异显著(P<0.05),其中80%的试验组增重率、特定生长率、蛋白质效率与其他各组相比显著降低(P<0.05),饲料系数显著升高(P<0.05)。通过二次多项式回归分析,膨化豆粕替代鱼粉蛋白的最适比例为26.90%。综上所述,在本试验条件下,膨化豆粕对鱼粉蛋白的最大替代量为60%,当替代比例为26.90%时获得最佳生长效果。
译  名：
Effects of Different Replacement Ratio of Fish Meal by Extruded Soybean Meal on Growth,Body Composition and Hematology Indices of Rainbow Trout(Oncorhynchus mykiss)
作  者：
LU Yang YANG Yuhong WANG Yuyu WANG Lei WANG Ruixia(College of Animal Science and Technology,Northeast Agricultural University,Harbin 150030,China)
关键词：
Rainbow trout(Oncorhynchus mykiss);Extruded soybean meal;Weigh gain rate;Index of hematology
摘  要：
This experiment was conducted to study the effects of replacement of fish meal by extruded soybean meal on growth,body composition and hematology indices of rainbow trout.Four hundred and fifty fish with initial body weights of(4.00±0.04) g were divided into 5 groups with 3 replicates of 30 fish in each replicate with a single factor completely random design.The experiment lasted for 90 days.The control group feed was formulated to contain 50% fish meal,the extruded soybean meal was pretreated by phytase as replacement protein source,each group contained 0(control group),13.60%,27.20%,40.80% and 54.40% extruded soybean meal to replace 0,20%,40%,60% and 80% of the fish meal.The result showed that compared with the control group,there were no significant difference in viscera somatic index,the major nutrients of whole body and muscles,serum biochemical indicators of the experimental groups(P>0.05);with the increasing of extruded soybean meal replacement ratio,there were no significant difference in growth performance and feed utilization between control group and 20%～60% experimental groups(P>0.05),the 80% experimental group was significantly different from the other groups(P<0.05);the weigh gain rate(WGR),specific growth rate(SGR) and protein efficiency ratio(PER) were significantly lower than those of other groups(P<0.05) and the feed conversion ratio(FCR) was increased significantly(P<0.05).Based on quadratic regression analysis,the best replacement ratio of fish meal protein by extruded soybean meal was 26.90%.In conclusion,the maximum replacement ratio of fish meal protein by extruded soybean meal was 60% in the diets of rainbow trout,and the most suitable replacement ratio was 26.90%.

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