动物营养学报 >

2015 , Vol. 27 >Issue 11: 3613 - 3619

DOI: https://doi.org/10.3969/j.issn.1006-267x.2015.11.035

研究简报 Short Communications

果寡糖对育成期水貂生长性能、营养物质消化率、氮代谢和血清生化指标的影响

  • 王卓 ,
  • 孙伟丽 ,
  • 樊燕燕 ,
  • 孙皓然 ,
  • 刘晗璐 ,
  • 杨雅涵 ,
  • 杨福 ,
  • 李光玉
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  • 中国农业科学院特产研究所, 吉林省特种经济动物分子生物学省部共建国家重点实验室, 长春 130112

收稿日期: 2015-05-17

  网络出版日期: 2015-11-21

基金资助

吉林省科技厅自然基金(20150101112JC);中国农业科学院创新工程经费资助(CAAS-ASTIP-2014-ISAPS)

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Effects of Fructooligosaccharide on Growth Performance, Nutrient Digestibility, Nitrogen Metabolism and Serum Biochemical Indices of Minks during Growing Period

  • WANG Zhuo ,
  • SUN Weili ,
  • FAN Yanyan ,
  • SUN Haoran ,
  • LIU Hanlu ,
  • YANG Yahan ,
  • YANG Fu ,
  • LI Guangyu
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  • State Key Laboratory of Special Economic Animal Molecular Biology, Institute of Special Animal and Plant Science, Chinese Academy of Agriculture Sciences, Changchun 130112, China

Received date: 2015-05-17

  Online published: 2015-11-21

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摘要

本试验在基础饲粮中添加果寡糖,旨在研究其对育成期水貂生长性能、营养物质消化率、氮代谢和血清生化指标的影响。挑选体重相近的健康育成期雄性水貂,随机分为5组,每组10个重复,每个重复1只。Ⅰ组为对照组,饲喂基础饲粮;Ⅱ、Ⅲ、Ⅳ组分别饲喂在基础饲粮中添加0.3%、0.6%和0.9%果聚糖的试验饲粮;Ⅴ组饲喂在基础饲粮中添加150 mg/kg兽用土霉素的试验饲粮。试验期42 d。结果表明:1)Ⅳ和Ⅴ组的末重和平均日增重高于其他组,但差异不显著(P>0.05);与对照组相比,Ⅳ和Ⅴ组的末重分别提高了4.1%和3.6%,Ⅳ和Ⅴ组的平均日增重均提高了5.0%。2)Ⅳ组的干物质采食量显著高于Ⅰ、Ⅱ和Ⅴ组(P<0.05);干物质消化率、蛋白质消化率和脂肪消化率各组间均差异不显著(P>0.05)。3)Ⅳ组的食入氮显著高于Ⅰ和Ⅴ组(P<0.05);Ⅲ和Ⅳ组的氮沉积、净蛋白质利用率和蛋白质生物学价值高于其他3组,但差异不显著(P>0.05)。4)Ⅲ、Ⅳ、Ⅴ组的血清白蛋白含量极显著高于对照组(P<0.01);各组血清总蛋白含量有高于对照组的趋势,但差异不显著(P>0.05);各组血清球蛋白、免疫球蛋白G、免疫球蛋白A、免疫球蛋白M和甘油三酯含量均无显著差异(P>0.05);血清总胆固醇含量以Ⅴ组最高,极显著高于Ⅰ和Ⅱ组(P<0.01),显著高于Ⅲ和Ⅳ组(P<0.05)。综合各项指标,育成期水貂饲粮中添加0.9%的果聚糖具有替代150 mg/kg土霉素的效果。

关键词： 果聚糖; 水貂; 生长性能; 营养物质消化率; 血清生化指标

本文引用格式

王卓 , 孙伟丽 , 樊燕燕 , 孙皓然 , 刘晗璐 , 杨雅涵 , 杨福 , 李光玉 . 果寡糖对育成期水貂生长性能、营养物质消化率、氮代谢和血清生化指标的影响[J]. 动物营养学报, 2015 , 27(11) : 3613 -3619 . DOI: 10.3969/j.issn.1006-267x.2015.11.035

Abstract

The experiment was designed to investigate the effects of fructooligosaccharide on growth performance, nutrient digestibility, nitrogen metabolism and serum biochemical indices of minks during growing period. Fifty young male minks with similar body weight were randomly divided into 5 groups with 10 replicates and each replicate had 1 mink. The control group (group Ⅰ) was fed a basal diet, groups Ⅱ, Ⅲ, Ⅳ were fed the experimental diets supplemented with 0.3%, 0.6%, 0.9% fructooligosaccharid, and group Ⅴ was fed the experimental diet supplemented with 150 mg/kg veterinary terramycin. The experiment lasted for 42 days. The results showed as follows:1) the final weight and average daily gain of minks in groups Ⅳ and Ⅴ were higher than those in other groups, but the differences were not significant (P>0.05). Compared with control group, the final weight of minks in groups Ⅳ and Ⅴ was increased by 4.1% and 3.6%, respectively, and the average daily gain of minks in groups Ⅳ and Ⅴ was both increased by 5.0%. 2) Dry matter intake of minks in group Ⅳ was significantly higher than that in groups Ⅰ, Ⅱ and Ⅴ (P<0.05). No significant differences were found in dry matter digestibility, protein digestibility and fat digestibility among all groups (P>0.05). 3) Nitrogen intake in group Ⅳ was significantly higher than that in groups Ⅰ and Ⅴ(P<0.05). Nitrogen retention, net protein utilization and protein biological value in groups Ⅲ and Ⅳwere higher than those in other groups, but the differences were not significant (P>0.05). 4) Compared with control group, the serum albumin content in groups Ⅲ, Ⅳ and Ⅴ was extremely significantly improved (P<0.05). The serum total protein content in control group was lower than that in other groups, but the differences were not significant (P>0.05). No significant differences were found in serum globulin, immunoglobulin G, immunoglobulin A, immunoglobulin M and triglyceride contents among all groups(P>0.05). The serum total cholesterol content in group Ⅴ was extremely significantly higher than that in groups Ⅰ and Ⅱ (P<0.01), and significantly higher than that in groups Ⅲ and Ⅳ (P<0.05). In conclusion, in consideration of all indices of this experiment, supplemented 0.9% fructooligosaccharide in the diet of minks during growing period can be alternative to 150 mg/kg antibiotic.

Key words： fructooligosaccharide; minks; growth performance; nutrient digestibility; serum biochemical indices

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