反刍与草食动物营养与饲料 RUMINANT AND HERBIVORE NUTRITION AND FEED

活性干酵母对西门塔尔杂交牛生长性能、营养物质表观消化率、瘤胃发酵参数及血清生化和抗氧化指标的影响

  • 汪成 ,
  • 马健 ,
  • 胡瑞 ,
  • 曹广 ,
  • 代秦丹 ,
  • 王雪莹 ,
  • 邹华围 ,
  • 薛白 ,
  • 彭全辉 ,
  • 王立志 ,
  • 王之盛 ,
  • 朱跃明 ,
  • 朱潇鹏
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  • 1. 四川农业大学动物营养研究所, 四川省牛低碳养殖与安全生产高校重点实验室, 成都 611130;
    2. 国家肉牛牦牛产业技术体系张掖综合试验站, 张掖 734000
汪成(1996-),男,四川南充人,硕士研究生,从事反刍动物营养与饲料科学研究。E-mail:534561893@qq.com

收稿日期: 2020-12-30

  网络出版日期: 2021-07-06

基金资助

国家重点研发计划(2017YFD0502005)

Effects of Active Dry Yeast on Growth Performance, Nutrient Apparent Digestibilities, Rumen Fermentation Parameters and Serum Biochemical and Antioxidant Indexes of Simmental Crossbred Cattle

  • WANG Cheng ,
  • MA Jian ,
  • HU Rui ,
  • CAO Guang ,
  • DAI Qindan ,
  • WANG Xueying ,
  • ZOU Huawei ,
  • XUE Bai ,
  • PENG Quanhui ,
  • WANG Lizhi ,
  • WANG Zhisheng ,
  • ZHU Yueming ,
  • ZHU Xiaopeng
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  • 1. Key Laboratory of University in Cattle Low Carbon Breeding and Safety Production in Sichuan Province, Animal Nutrition Institute, Sichuan Agricultural University, Chengdu 611130, China;
    2. Zhangye Comprehensive Experimental Station of National Yak and Beef Industrial Technology System, Zhangye 734000, China

Received date: 2020-12-30

  Online published: 2021-07-06

Supported by

 

摘要

本试验旨在探究活性干酵母对西门塔尔杂交牛生长性能、营养物质表观消化率、瘤胃发酵参数及血清生化和抗氧化指标的影响。选取年龄(10月龄)和体重[(317.00±19.25) kg]相近的健康西门塔尔杂交牛(西门塔尔牛×本地黄牛)架子公牛30头,随机分为2组,每组15头牛。对照组饲喂基础饲粮,试验组在基础饲粮中额外添加0.1%的活性干酵母(干物质基础)。预试期15 d,正试期90 d。结果表明:1)试验组平均日增重显著高于对照组(P<0.05),料重比显著低于对照组(P<0.05)。2)试验组干物质、中性洗涤纤维和酸性洗涤纤维表观消化率均显著高于对照组(P<0.05),粗蛋白质表观消化率有高于对照组的趋势(P=0.075)。3)试验组瘤胃微生物蛋白和丙酸含量显著高于对照组(P<0.05),瘤胃氨态氮含量和乙酸/丙酸显著低于对照组(P<0.05),瘤胃总挥发性脂肪酸含量有高于对照组的趋势(P=0.097)。4)试验组血清尿素氮含量显著低于对照组(P<0.5),血清葡萄糖含量有高于对照组的趋势(P=0.079)。5)试验组血清过氧化氢酶活性显著高于对照组(P<0.05),血清总抗氧化能力有高于对照组的趋势(P=0.052)。由此可见,架子牛阶段饲粮中添加0.1%的活性干酵母可以提高西门塔尔杂交牛营养物质表观消化率,促使瘤胃发酵向丙酸型转变,进而改善西门塔尔杂交牛生长性能。

本文引用格式

汪成 , 马健 , 胡瑞 , 曹广 , 代秦丹 , 王雪莹 , 邹华围 , 薛白 , 彭全辉 , 王立志 , 王之盛 , 朱跃明 , 朱潇鹏 . 活性干酵母对西门塔尔杂交牛生长性能、营养物质表观消化率、瘤胃发酵参数及血清生化和抗氧化指标的影响[J]. 动物营养学报, 2021 , 33(7) : 3925 -3933 . DOI: 10.3969/j.issn.1006-267x.2021.07.034

Abstract

The purpose of this study was to investigate the effects of active dry yeast on growth performance, nutrient apparent digestibilities, rumen fermentation parameters and serum biochemical and antioxidant indexes of Simmental crossbred cattle. Thirty healthy Simmental crossbred cattle (Simmental cattle×local yellow cattle) growing bulls with similar age (10 months) and body weight[(317.00±19.25) kg] were randomly divided into 2 groups with 15 cattle per group. Cattle in the control group were fed a basal diet, and cattle in the experimental group were fed the basal diet supplemented with 0.1% active dry yeast (dry matter basis). The pre-test period was 15 days and the formal test period was 90 days. The results showed as follows:1) the average daily gain of experimental group was significantly higher than that of the control group (P<0.05), and the feed to gain ratio was significantly lower than that of the control group (P<0.05). 2) The apparent digestibilities of dry matter, neutral detergent fiber and acid detergent fiber of experimental group were significantly higher than those of the control group (P<0.05), and the crude protein apparent digestibility was trend to higher than that of the control group (P=0.075). 3) The contents of microbial protein and propionic acid in rumen of experimental group were significantly higher than those of the control group (P<0.05), the ammonia nitrogen content and acetic acid/propionic acid in rumen were significantly lower than those of the control group (P<0.05), and the rumen total volatile fatty acid content was trend to higher than that of the control group (P=0.097). 4) The serum urea nitrogen content of experimental group was significantly lower than that of the control group (P<0.05), and the serum glucose content was trend to higher than that of the control group (P=0.079). 5) The serum catalase activity of experimental group was significantly higher than that of the control group (P<0.05), and the serum total antioxidant capacity was trend to higher than that of the control group (P=0.052). In conclusion, dietary supplemented with 0.1% active dry yeast can improve the nutrient apparent digestibilities of Simmental crossbred cattle during fattening period, promote the rumen fermentation to propionic acid type, so as to improve the growth performance of Simmental crossbred cattle.

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