反刍与草食动物营养 Ruminant and herbivore nutrition

纳豆芽孢杆菌对绵羊生长性能、消化性能和血清生化指标的影响

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  • 1. 新疆畜牧科学院饲料研究所, 乌鲁木齐 830000;
    2. 塔里木大学动物科学学院, 阿拉尔 843300;
    3. 乌鲁木齐市动物园, 乌鲁木齐 830000
张俊瑜(1983-),男,河北沧州人,助理研究员,硕士,从事反刍动物营养与饲料科学的研究。E-mail:363180001@qq.com

收稿日期: 2018-11-21

  网络出版日期: 2019-06-17

基金资助

新疆维吾尔自治区自然科学基金项目(2016D01B001)

Effects of Bacillus subtilis natto on Growth Performance, Digestive Performance and Serum Biochemical Indexes of Sheep

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  • 1. Institute of Feed Research, Xinjiang Academy of Animal Science, Urumchi 830000, China;
    2. College of Animal Science, Tarim University, Alar 843300, China;
    3. Urumqi Zoo, Urumchi 830000, China

Received date: 2018-11-21

  Online published: 2019-06-17

摘要

本试验旨在研究纳豆芽孢杆菌(BSN)对绵羊生长性能、养分表观消化率和血清生化指标的影响。试验采用单因素完全随机试验设计,将体重相近的40只小尾寒羊分为4组,每组10只,每日饲喂在基础饲粮中分别添加0(CK组)、2(A组)、6(B组)和10 g/只(C组)BSN的饲粮。结果表明:1)与CK组相比,A、B和C组的平均日增重(ADG)分别提高33.43(P>0.05)、32.29(P<0.05)和57.15 g/d(P<0.01)。2)各养分表观消化率随饲粮中BSN添加水平的增加有所提高,但组间差异不显著(P>0.05)。3)A、B和C组血清中尿素氮含量分别比CK组降低0.73%、23.44%和30.04%(P>0.05);血清中免疫球蛋白(Ig)A、IgG和IgM含量组间差异不显著(P>0.05)。在本试验条件下,绵羊饲粮中添加BSN对提高饲粮蛋白质的沉积有积极影响,ADG随BSN添加水平的增加显著增加,每日在饲粮中添加10 g/只BSN效果显著。

本文引用格式

张俊瑜, 王连群, 王承敏, 丛少波, 王文奇, 郭同军 . 纳豆芽孢杆菌对绵羊生长性能、消化性能和血清生化指标的影响[J]. 动物营养学报, 2019 , 31(6) : 2666 -2671 . DOI: 10.3969/j.issn.1006-267x.2019.06.027

Abstract

This experiment was conducted to investigate the effects of Bacillus subtilis natto (BSN) on growth performance, nutrient apparent digestibility and serum biochemical indexes of sheep.Forty small-tailed Han sheep with the similar body weight were randomly assigned to 4 groups with 10 sheep in each group by a single factor completely randomized design. Sheep were fed diets with 0 (CK), 2 (A), 6 (B) and 10 g/sheep (C) BSN per day, respectively. The results showed as follows:1) compared with the CK group, the average daily gain (ADG) in groups A, B and C increased by 33.43 (P>0.05), 32.29 (P<0.05) and 57.15 g/d (P<0.01), respectively. 2) The nutrient apparent digestibility increased with the BSN supplemental level increasing (P>0.05). 3) The serum urea nitrogen content in groups A, B and C was lower than that in group CK by 0.73%, 23.44% and 30.04% (P>0.05). There was no significant effect on immune globulin (Ig) A, IgG and IgM contents in serum among groups (P>0.05). It is concluded that the BSN has a positive effect on increasing deposition of crude protein in diets of sheep, ADG increases with the increasing addition of BSN, and the effect is significant when adding 10 g/sheep BSN per day.

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