研究论文 RESEARCH PAPER

白术多糖对岭南黄鸡生长性能、屠宰性能及免疫器官发育的影响

  • 曹楠 ,
  • 杨舒展 ,
  • 胡春燕 ,
  • 陆智儿 ,
  • 刘洁娜 ,
  • 钱隆 ,
  • 李婉雁 ,
  • 黄运茂 ,
  • 许丹宁
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  • 1. 仲恺农业工程学院动物科技学院, 广州 510225;
    2. 广东省水禽健康养殖重点实验室, 广州 510225;
    3. 广州海关技术中心, 广州 510000
曹楠(1987-),男,黑龙江双城人,副教授,博士,从事动物营养免疫研究。E-mail:ncao@163.com

收稿日期: 2021-06-16

  网络出版日期: 2022-01-18

基金资助

广州市科技计划项目(201904010076);广东省基础与应用基础研究基金区域联合基金——青年基金项目(2019A1515110106);大学生创新创业训练计划项目(202011347144,202011347154)

Effects of Polysaccharide of Atractylodes macrocephala Koidz on Growth Performance, Slaughter Performance and Immune Organ Development of Lingnan Yellow Chickens

  • CAO Nan ,
  • YANG Shuzhan ,
  • HU Chunyan ,
  • LU Zhier ,
  • LIU Jiena ,
  • QIAN Long ,
  • LI Wanyan ,
  • HUANG Yunmao ,
  • XU Danning
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  • 1. College of Animal Science and Technology, Zhongkai University of Agriculture and Engineering, Guangzhou 510225, China;
    2. Guangdong Province Key Laboratory of Waterfowl Healthy Breeding, Guangzhou 510225, China;
    3. Guangzhou Customs Technical Center, Guangzhou 510000, China

Received date: 2021-06-16

  Online published: 2022-01-18

摘要

本研究旨在探索白术多糖(PAMK)对岭南黄鸡生长性能、屠宰性能及免疫器官发育的影响。选择240只健康的1日龄岭南黄鸡,随机分成4个组,每组6个重复,每个重复10只鸡。对照组饲喂基础饲粮,试验组在基础饲粮中分别添加100(PAMK100组)、400(PAMK400组)、800 mg/kg(PAMK800组)的白术多糖。试验期35 d。结果表明:1)与对照组相比,PAMK400组岭南黄鸡1~21日龄和1~35日龄的平均日采食量和料重比均显著降低(P<0.05),总增重和平均日增重均有所升高(P>0.05)。2)与对照组相比,PAMK100、PAMK400和PAMK800组岭南黄鸡35日龄的屠宰率、半净膛率和全净膛率均显著升高(P<0.05)。3)与对照组相比,PAMK100组岭南黄鸡21日龄的脾脏指数显著降低(P<0.05),PAMK100和PAMK400组岭南黄鸡21日龄的法氏囊指数显著升高(P<0.05)。4)与对照组相比,PAMK400组岭南黄鸡肝脏双核细胞数量增多,各种类型细胞形态良好;胸腺中成熟胸腺细胞数量增多,皮髓分界明显;脾脏中淋巴细胞排列密集有序,形态良好;法氏囊中大淋巴滤泡数量增多,滤泡排列也更加紧密。由此可见,饲粮中添加400 mg/kg白术多糖可以提高岭南黄鸡的生长性能和屠宰性能,并促进免疫器官的生长发育。

本文引用格式

曹楠 , 杨舒展 , 胡春燕 , 陆智儿 , 刘洁娜 , 钱隆 , 李婉雁 , 黄运茂 , 许丹宁 . 白术多糖对岭南黄鸡生长性能、屠宰性能及免疫器官发育的影响[J]. 动物营养学报, 2022 , 34(1) : 205 -214 . DOI: 10.3969/j.issn.1006-267x.2022.01.020

Abstract

This study aims to explore the effects of polysaccharide of Atractylodes macrocephala Koidz (PAMK) on growth performance, slaughter performance and immune organ development of Lingnan yellow chickens. A total of 240 healthy one-day-old Lingnan yellow chickens were randomly divided into 4 groups with 6 replicates per group and 10 chickens per replicate. Chickens in the control group were fed a basal diet, and others in experimental groups were fed basal diets supplemented with 100 (PAMK100 group), 400 (PAMK400 group) and 800 mg/kg (PAMK800 group) polysaccharide of Atractylodes macrocephala Koidz, respectively. The experiment lasted for 35 days. The results showed as follows:1) compared with the control group, the average daily feed intake and feed to gain ratio of Lingnan yellow chickens during 1 to 21 days of age and 1 to 35 days of age of PAMK400 group were significantly decreased (P<0.05), and the total weight gain and average daily gain were increased (P>0.05). 2) Compared with the control group, the slaughter rate, half eviscerated rate and full evisceration rate of Lingnan yellow chickens at 35 days of age of PAMK100, PAMK400 and PAMK800 groups were significantly increased (P<0.05). 3) Compared with the control group, the spleen index of Lingnan yellow chickens at 21 days of age of PAMK100 group was significantly decreased (P<0.05), and the bursa of Fabricius index of Lingnan yellow chickens at 21 days of age of PAMK100 and PAMK400 group was significantly increased (P<0.05). 4) Compared with the control group, the number of binuclear cells in liver of Lingnan yellow chickens of PAMK400 group was increased, and the cell types of various types were good; the number of mature thymocytes in thymus was increased, and the cortex-medullary boundary was obvious; the lymphocytes in the spleen were densely arranged and orderly, with good morphology; the number of large lymphoid follicles in bursa of Fabricius was increased, and the follicles were arranged more closely. In conclusion, dietary 400 mg/kg polysaccharide of Atractylodes macrocephala Koidz can improve the growth performance and slaughter performance of Lingnan yellow chickens, and promote the growth and development of immune organs.

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