研究论文 RESEARCHPAPER

零余子对绵羊生长性能、营养物质消化代谢、血清生化指标及免疫功能的影响

  • 梁本聪 ,
  • 杨改青 ,
  • 王福州 ,
  • 廉红霞 ,
  • 王林枫 ,
  • 付彤 ,
  • 张立阳 ,
  • 任宏 ,
  • 张黎杰 ,
  • 徐新颖 ,
  • 刘新鹤 ,
  • 高腾云
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  • 1. 河南农业大学动物科技学院, 郑州 450046;
    2. 河南农业大学实验室与设备管理办公室, 郑州 450046;
    3. 郑州赛诺科技有限公司, 郑州 450041
梁本聪(1996—),男,河南濮阳人,硕士研究生,研究方向为动物营养与饲料科学。E-mail:331614814@qq.com

收稿日期: 2021-11-24

  网络出版日期: 2022-06-14

基金资助

财政部和农业农村部—国家现代农业产业技术体系资助(CARS-36)

Effects of Bulbil on Growth Performance, Nutrient Digestion and Metabolism, Serum Biochemical Indices and Immune Function of Sheep

  • LIANG Bencong ,
  • YANG Gaiqing ,
  • WANG Fuzhou ,
  • LIAN Hongxia ,
  • WANG Linfeng ,
  • FU Tong ,
  • ZHANG Liyang ,
  • REN Hong ,
  • ZHANG Lijie ,
  • XU Xinying ,
  • LIU Xinhe ,
  • GAO Tengyun
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  • 1. College of Animal Science, Henan Agricultural University, Zhengzhou 450046, China;
    2. Modern Experimental Technology and Management Center, Henan Agricultural University, Zhengzhou 450046, China;
    3. Zhengzhou Sainuo Technology Co., Ltd., Zhengzhou 450041, China

Received date: 2021-11-24

  Online published: 2022-06-14

摘要

本试验旨在探索零余子对绵羊生长性能、营养物质消化代谢、血清生化指标及免疫功能的影响。选取体重25 kg左右的健康杜湖杂交(杜泊羊×湖羊♀)公羊30只,随机分为3组,每组5个重复,每个重复2只羊。各组分别饲喂含0(对照组,CTL组)、7.5%(低剂量组,BUL1组)和10.0%(高剂量组,BUL2组)零余子的试验饲粮。预试期15 d,正试期90 d。结果表明:1)3组之间末重、总增重、平均日增重(ADG)、平均日采食量(ADFI)和料重比(F/G)均差异不显著(P>0.05)。2) BUL2组的可消化能、能量消化率均显著高于CTL组(P<0.05)。BUL2组的可消化钙、钙消化率、沉积钙均显著高于CTL组(P<0.05)。3) BUL1组的血清总蛋白(TP)和球蛋白(GLB)含量均显著高于CTL和BUL2组(P<0.05),BUL1组和BUL2组的血清游离脂肪酸(NEFA)含量显著高于CTL组(P<0.05),BUL2组的血清尿素氮(UN)含量显著低于CTL组(P<0.05)。4) BUL1组的血清肿瘤坏死因子-α(TNF-α)和CD8含量显著高于CTL组(P<0.05)。由此可见,饲粮中添加7.5%和10.0%零余子不会影响绵羊的生长性能,饲粮中添加7.5%的零余子可以增加血清TP、GLB、CD8和TNF-α含量,饲粮中添加10.0%的零余子可提高能量、钙消化率。

本文引用格式

梁本聪 , 杨改青 , 王福州 , 廉红霞 , 王林枫 , 付彤 , 张立阳 , 任宏 , 张黎杰 , 徐新颖 , 刘新鹤 , 高腾云 . 零余子对绵羊生长性能、营养物质消化代谢、血清生化指标及免疫功能的影响[J]. 动物营养学报, 2022 , 34(6) : 3814 -3823 . DOI: 10.3969/j.issn.1006-267x.2022.06.041

Abstract

This experiment was conducted to explore the effects of bulbil on growth performance, nutrient digestion and metabolism, serum biochemical indices and immune function of sheep. Thirty healthy Duhu crossbred (Dubo sheep×Hu sheep♀) rams with an average body weight of about 25 kg were randomly divided into 3 groups with 5 replicates per group and 2 sheep per replicate. Sheep in 3 groups were fed experimental diets which contained 0 (control group, CTL group), 7.5% (low dose group, BUL1 group) and 10.0% (high dose group, BUL2 group) bulbil, respectively. The pre-experimental period lasted for 15 days, and the experimental period lasted for 90 days. The results showed as follows:1) there were no significant differences in the final weight, total weight gain, average daily gain (ADG), average daily feed intake (ADFI) and feed to gain ratio (F/G) among all groups (P>0.05). 2) The digestible energy and energy digestibility of BUL2 group were significantly higher than those of CTL group (P<0.05). The digestible calcium, calcium digestibility and calcium deposition of BUL2 group were significantly higher than those of CTL group (P<0.05). 3) The contents of total protein (TP) and globulin (GLB) in serum of BUL1 group were significantly higher than those of CTL group and BUL2 group (P<0.05), the serum free fatty acid (NEFA) content of BUL1 group and BUL2 group was significantly higher than that of CTL group (P<0.05), and the serum urea nitrogen (UN) content of BUL2 group was significantly lower than that of CTL group (P<0.05). 4) The contents of tumor necrosis factor-α (TNF-α) and CD8+ in serum of BUL1 group were significantly higher than those of CTL group (P<0.05). In conclusion, dietary adding 7.5% bulbil can improve the contents of TP, GLB, CD8+ and TNF-α in serum, and dietary adding 10.0% bulbil can improve the energy and calcium digestibility.

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