饲料营养 Feed science and technology

复合益生菌制剂对肉仔鸡养分表观利用率、血清生化指标和肠道黏膜形态的影响

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  • 黑龙江八一农垦大学动物科技学院, 大庆 163319
谢文惠(1992-),女,江西九江人,硕士研究生,从事动物营养与饲料科学研究。E-mail:228998379@qq.com

收稿日期: 2017-09-30

  网络出版日期: 2018-04-03

基金资助

国家自然科学基金项目(31472120);黑龙江八一农垦大学重点培育课题(XA2015-02)

Effects of Compound Probiotics on Nutrient Apparent Availability, Serum Biochemical Indexes and Intestinal Mucosa Morphological Structure of Broilers

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  • College of Animal Science and Veterinary Medicine, Heilongjiang Bayi Agricultural University, Daqing 163319, China

Received date: 2017-09-30

  Online published: 2018-04-03

摘要

本试验旨在研究不同配比的复合益生菌制剂对肉仔鸡养分表观利用率、血清生化指标和肠道黏膜形态的影响。选用320只1日龄健康的雄性爱拨益加(AA)肉仔鸡,随机分为4组,每组4个重复,每个重复20只。Ⅰ组为对照组,饲喂基础饲粮;Ⅱ组、Ⅲ组和Ⅳ组为试验组,饲喂基础饲粮+1 000 mg/kg复合益生菌制剂,复合益生菌制剂中枯草芽孢杆菌∶酿酒酵母∶嗜酸乳杆菌∶乳双歧杆菌分别为2 ∶ 1 ∶ 1 ∶ 1、1 ∶ 2 ∶ 1 ∶ 1、1.0 ∶ 1.0 ∶ 1.5 ∶ 1.5。试验期为42 d。结果表明:1)Ⅱ组、Ⅲ组和Ⅳ组的干物质、粗蛋白质、粗脂肪和钙的表观利用率均显著高于对照组(P<0.05);2)在42日龄时,Ⅱ组、Ⅲ组和Ⅳ组血清总蛋白含量显著高于对照组(P<0.05)。3)Ⅱ组、Ⅲ组和Ⅳ组十二指肠、空肠和回肠的绒毛高度、隐窝深度和绒腺比均优于对照组(P>0.05)。由此可知,在基础饲粮中添加不同配比的复合益生菌制剂均可改善肉仔鸡的养分表观利用率、血清生化指标和肠道黏膜形态。

本文引用格式

谢文惠, 姜宁, 王鑫, 张爱忠 . 复合益生菌制剂对肉仔鸡养分表观利用率、血清生化指标和肠道黏膜形态的影响[J]. 动物营养学报, 2018 , 30(4) : 1495 -1503 . DOI: 10.3969/j.issn.1006-267x.2018.04.034

Abstract

This experiment was conducted to determine the effects of different proportions of compound probiotics on nutrient apparent availability, serum biochemical indexes and intestinal mucosa morphological structure of broilers. A total of 320 healthy 1-day-old male Arbor Acres (AA) broilers were randomly divided into 4 groups. Each group has 4 replicates and each replicate included 20 broilers. Group Ⅰ was control group, and broilers in this group were fed a basal diet. Groups Ⅱ, Ⅲ and Ⅳ were experimental groups, and broilers in these groups were fed the basal diet+1 000 mg/kg compound probiotics, and the Bacillus subtilis:Saccharomyces cerevisiae:Lactobacillus acidophilus:Bifidobacterium lactis in the compound probiotics was 2:1:1:1, 1:2:1:1 and 1:1:1.5:1.5, respectively. The experiment lasted for 42 days. The results showed as follows:1) the dry matter, crude protein, ether extract and calcium apparent availability of groups Ⅱ, Ⅲ and Ⅳ was significantly higher than that of control group (P<0.05). 2) At the age of 42 days, the content of serum total protein of groups Ⅱ, Ⅲ and Ⅳ was significantly higher than that of control group (P<0.05). 3) The villus height, crypt depth and villus height/crypt depth in duodenum, jejunum and ileum of groups Ⅱ, Ⅲ and Ⅳ were better than those of control group (P>0.05). Therefore, adding different proportion of compound probiotics in the basal diet can improve the nutrient apparent availability, serum biochemical indexes and intestinal mucosa morphological structure.

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