禽营养与饲料 POULTRY NUTRITION AND FEED

黄梁木叶对麻黄鸡屠宰性能、小肠形态和血清生化指标的影响

  • 陈娜 ,
  • 周玮 ,
  • 和立文 ,
  • 李云 ,
  • 陈晓阳 ,
  • 张庆
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  • 1. 华南农业大学动物科学学院, 广州 510642;
    2. 华南农业大学林学与风景园林学院, 广东木本饲料工程技术研究中心, 广东省森林植物种质创新与利用重点实验室, 广州 510642;
    3. 北京林业大学生物科学与技术学院, 北京 100083
陈娜(1995-),女,江西赣州人,硕士研究生,研究方向为动物营养与饲料科学。E-mail:chenna0901@126.com

收稿日期: 2021-01-07

  网络出版日期: 2021-07-06

基金资助

广东省林业科技创新项目(2018KJCX001,2019KJCX001);广东省自然科学基金项目(2020A1515011253)

Effects of Neolamarckia cadamba Leaves on Slaughter Performance, Small Intestine Morphology and Serum Biochemical Indices of Partridge Chicken

  • CHEN Na ,
  • ZHOU Wei ,
  • HE Liwen ,
  • LI Yun ,
  • CHEN Xiaoyang ,
  • ZHANG Qing
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  • 1. College of Animal Science, South China Agricultural University, Guangzhou 510642, China;
    2. Guangdong Key Laboratory for Innovative Development and Utilization of Forest Plant Germplasm, Guangdong Research Center of Woody Forage Engineering Technology, College of Forestry and Landscape Architecture, South China Agricultural University, Guangzhou 510642, China;
    3. College of Biological Sciences and Technology, Beijing Forestry University, Beijing 100083, China

Received date: 2021-01-07

  Online published: 2021-07-06

Supported by

 

摘要

本试验旨在研究饲粮添加黄梁木叶对麻黄鸡屠宰性能、小肠形态和血清生化指标的影响。试验选用576只来源一致、体态健康、体重为(524.36±12.09) g的30日龄雌性麻黄鸡,随机分为4个组,每组设6个重复,每个重复24只鸡。对照组(A组)饲喂基础饲粮,B组饲喂基础饲粮+5%黄梁木叶干粉,C组饲喂基础饲粮+5%青贮黄梁木叶,D组饲喂基础饲粮+5%接种乳酸菌青贮黄梁木叶。试验预试期5 d,正试期30 d。结果表明:1)与A组相比,B组麻黄鸡全净膛率和半净膛率显著降低(P<0.05),但腿肌率显著提高(P<0.05);C组和D组麻黄鸡肌间脂肪宽度显著降低(P<0.05);D组麻黄鸡胸肌率显著提高(P<0.05)。2)与A组相比,B组麻黄鸡回肠绒毛高度和绒毛高度/隐窝深度(V/C)值显著提高(P<0.05),空肠绒毛高度极显著降低(P<0.01);C组麻黄鸡十二指肠绒毛高度和V/C值以及回肠绒毛高度极显著提高(P<0.01);D组麻黄鸡盲肠相对长度显著提高(P<0.05),十二指肠绒毛高度和V/C值极显著提高(P<0.01),回肠绒毛高度和V/C值显著提高(P<0.05)。3)与A组相比,B组、C组和D组麻黄鸡血清葡萄糖和总胆固醇含量均极显著降低(P<0.01)。综上所述,饲粮添加5%黄梁木叶对麻黄鸡具有降血糖和降血脂的作用,并在一定程度上能够促进小肠的形态发育,其中,5%接种乳酸菌青贮黄梁木叶有助于提高麻黄鸡的屠宰性能。

本文引用格式

陈娜 , 周玮 , 和立文 , 李云 , 陈晓阳 , 张庆 . 黄梁木叶对麻黄鸡屠宰性能、小肠形态和血清生化指标的影响[J]. 动物营养学报, 2021 , 33(7) : 3833 -3841 . DOI: 10.3969/j.issn.1006-267x.2021.07.025

Abstract

The purpose of this experiment was to study the effects of dietary Neolamarckia cadamba leaves on the slaughter performance, small intestine morphology and serum biochemical indices of partridge chicken. A total of 576 healthy 30-day-old female partridge chickens from the same source with a body weight of (524.36±12.09) g were randomly divided into 4 groups with 6 replicates per group and 24 chickens per replicate. Chickens in the control group (group A) were fed a basal diet, and those in group B, group C and group D were fed the basal diet supplemented with 5% Neolamarckia cadamba leaves dry powder, 5% Neolamarckia cadamba leaves silage, and 5% Neolamarckia cadamba leaves silage with inoculation of lactic acid bacteria, respectively. The trail lasted for 30 days after 5-day adaption. The results showed as follows:1) compared with group A, the half-eviscerated yield percentage and the eviscerated yield percentage of partridge chickens in group B were significantly decreased (P<0.05), while the leg muscle percentage was significantly increased (P<0.05); the intermuscular fat width of partridge chickens in group C and group D was significantly decreased (P<0.05); the breast muscle percentage of partridge chickens in group D was significantly increased (P<0.05). 2) Compared with group A, the villus height and the ratio of villus height to crypt depth (V/C) in ileum of partridge chickens in group B were significantly increased (P<0.05), while the villus height in jejunum was extremely significantly decreased (P<0.01); the villus height and V/C in duodenum and the villus height in ileum of partridge chickens in group C were extremely significantly increased (P<0.01); the cecum relative length of partridge chickens in group D was significantly increased (P<0.05), the villus height and V/C in duodenum was extremely significantly increased (P<0.01), and the villus height and V/C in ileum was significantly increased (P<0.05). 3) Compared with group A, the serum contents of glucose and total cholesterol of partridge chickens in group B, group C and group D were extremely significantly decreased (P<0.01). To sum up, dietary 5% Neolamarckia cadamba leaves have hypoglycemic and lipid-lowering effects on partridge chickens, and can promote the morphological development of the small intestine to some extent. Among them, 5% Neolamarckia cadamba leaves silage with inoculation of lactic acid bacteria can improve the slaughtering performance of partridge chicken.

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