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首页> 中文期刊> 《动物营养学报》 >切达奶酪粉部分替代鱼粉对虹鳟幼鱼生长性能、体成分及血浆生化指标的影响

切达奶酪粉部分替代鱼粉对虹鳟幼鱼生长性能、体成分及血浆生化指标的影响

         
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摘要

An 8-week growth trial was conducted to evaluate the effects of a partial replacement of fish meal by cheddar cheese by-products (CCB) on growth performance, body composition and plasma biochemical indices of juvenile rainbow trout ( Oncorhynchus mykiss). Four isonitrogenous and isoenergetic diets were prepared with CCB to replace 0, 15% , 30% and 45% of protein supplied by fish meal and meanwhile the soybean oil was gradually decreased, and were named as CO, C15, C30 and C45, respectively. Forty juvenile rainbow trout with initial average body weight of (5. 73 ±0. 00) g were randomly assigned to each tank with 4 replicates for each treatment in recirculation system. The results showed as follows: compared with control group (CO group), all growth indices of juvenile rainbow trout in C15 and C30 groups were not significantly different (P >0. 05) , while dairy feed intake (AFI) , weight gain rate (WGR) and specific growth rate (SGR) of juvenile rainbow trout in C45 group were significantly decreased (P <0.05). Condition factor (CF), viscera-somatic index (VSI), hepaticsomatic index (HIS) and body composition of juvenile rainbow trout in C15 and C30 groups were not significantly different compared with control group (P >0.05), however, the body ash content of juvenile rainbow trout was significantly higher than that in control group (P <0.05). No significant differences were observed in plasma biochemical indices between control group and C30 group (P >0.05). In conclusion, CCB can replace 30% fish meal protein (9.6% offish meal, and the soybean oil supplementation from 5% to 3% , concurrently) in juvenile rainbow trout diets with no significant effects on growth performance, body composition and plasma biochemical indices. [Chinese Journal of Animal Nutrition, 2011, 23 (8):1430-1438]%本试验旨在研究用切达奶酪粉(cheddar cheese by-products,CCB)部分替代鱼粉对虹鳟(Oncorhynchus mykiss)幼鱼生长性能、体成分和血浆生化指标的影响.用切达奶酪粉分别替代基础饲料中0、15%、30%和45%的鱼粉蛋白质,同时逐渐降低豆油使用量,配成4个等氮等能的试验饲料,并分别命名为C0、C15、C30、C45.选用初均重为(5.73±0.00)g的虹鳟幼鱼640尾,随机分为4组,每组设4个重复,每个重复40尾,在循环水养殖系统中养殖8周.结果表明,C15、C30组虹鳟幼鱼的各项生长指标与对照组(C0组)相比均没有显著差异(P＞0.05),而C45组虹鳟幼鱼的日摄食量、增重率、特定生长率显著低于对照组(P＜0.05).C15、C30组虹鳟幼鱼的肥满度、肝体比、脏体比、体成分较对照组差异不显著(P＞0.05),而C45组虹鳟幼鱼的鱼体灰分含量显著高于对照组(P＞0.05).C30组虹鳟幼鱼的各项血浆生化指标与对照组相比均没有显著差异(P＞0.05).根据本试验结果,切达奶酪粉可以在虹鳟幼鱼饲料中替代30%的鱼粉蛋白质(9.6%鱼粉,同时使豆油的添加量由5%降至3%)而不显著影响其生长性能、体成分和血浆生化指标.

著录项

  • 来源
    《动物营养学报》 |2011年第8期|1430-1438|共9页
  • 作者

    邹方起; 徐美娜; 王嘉; 薛敏; 吴秀峰; 郑银桦; 王赤龙; 吴立新;

  • 作者单位

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    大连海洋大学,大连116023;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    大连海洋大学,大连116023;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    中国农业科学院饲料研究所国家水产饲料安全评价基地,北京100081;

    大连海洋大学,大连116023;

  • 原文格式 PDF
  • 正文语种 chi
  • 中图分类 水产动物饵料及其营养;
  • 关键词

    虹鳟; 切达奶酪粉; 鱼粉; 蛋白质源;

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