动物营养学报 >

2019 , Vol. 31 >Issue 8: 3843 - 3852

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.08.046

饲料科学与技术 Feed science and technology

糖化玉米秸秆对肉仔鸡生长性能、养分代谢率、器官指数、血清指标及肠道菌群的影响

  • 王平 ,
  • 常娟 ,
  • 刘超齐 ,
  • 尹清强 ,
  • 邵栓 ,
  • 孙贵宾 ,
  • 党晓伟 ,
  • 高天增
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  • 1. 河南农业大学牧医工程学院, 郑州 450002;
    2. 河南德邻生物制品有限公司, 新乡 453000;
    3. 河南广安生物科技股份有限公司, 郑州 450001
王平(1985-),女,河南商丘人,博士研究生,从事动物营养与饲料生物技术研究。E-mail:wangping850516@163.com

收稿日期: 2019-01-24

  网络出版日期: 2019-08-19

基金资助

国家自然科学基金项目（31702148）；河南省科技攻关项目（182102110062）；河南省重大科技专项（171100110500）

收起

Effects of Saccharification Corn Straw on Growth Performance, Nutrient Metabolic Rates, Organ Indices, Serum Indices and Intestinal Microflora of Broilers

  • WANG Ping ,
  • CHANG Juan ,
  • LIU Chaoqi ,
  • YIN Qingqiang ,
  • SHAO Shuan ,
  • SUN Guibin ,
  • DANG Xiaowei ,
  • GAO Tianzeng
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  • 1. College of Animal Science and Veterinary Medicine, Henan Agricultural University, Zhengzhou 450002, China;
    2. Henan Delin Biological Products Co., Ltd., Xinxiang 453000, China;
    3. Henan Guangan Biotechnological Co., Ltd., Zhengzhou 450001, China

Received date: 2019-01-24

  Online published: 2019-08-19

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摘要

本试验旨在研究糖化玉米秸秆（SCS）对肉仔鸡生长性能、养分代谢率、器官指数、血清指标及肠道菌群的影响。选择1日龄健康的雌性爱拔益加（AA）肉仔鸡250只，随机分为5个组，每组5个重复，每个重复10只鸡。基础饲粮组饲喂基础饲粮，试验组分别在饲粮中添加4%、8%和12% SCS及8% SCS（高油）替代部分能量饲料。试验期21 d。结果表明：1）8% SCS（高油）组的平均日采食量显著高于8% SCS组（P<0.05），8% SCS组和12% SCS组的末重和平均日增重显著低于基础饲粮组（P<0.05），8% SCS组、12% SCS组和8% SCS（高油）组的料重比显著高于基础饲粮组和4% SCS组（P<0.05）。2）8% SCS（高油）组的饲粮代谢能显著高于其他各组（P<0.05），12% SCS组的能量代谢率显著低于基础饲粮组和4% SCS组（P<0.05），4% SCS组的粗蛋白质代谢率显著高于其他各组（P<0.05），4% SCS组的钙代谢率显著高于基础饲粮组（P<0.05）。3）8% SCS组的肝脏指数显著高于其他各组（P<0.05），12% SCS组的腺胃指数显著低于8% SCS组（P<0.05），4% SCS组的盲肠指数显著低于8% SCS组和12% SCS组（P<0.05）。4）12% SCS组的血清碱性磷酸酶活性显著高于其他各组（P<0.05），8% SCS组的血清尿酸、尿素、总蛋白、白蛋白和总胆红素含量显著高于8% SCS（高油）组（P<0.05），8% SCS（高油）组的血清总超氧化物歧化酶活性显著低于其他各组（P<0.05）。5）4% SCS组、8% SCS组和12% SCS组的回肠中大肠杆菌数量显著低于基础饲粮组和8% SCS（高油）组（P<0.05）。由此可见，饲粮中添加4% SCS对肉仔鸡生长性能、大部分养分代谢率、器官指数、血清生化和抗氧化指标无显著影响，显著降低回肠中大肠杆菌数量。1~21日龄肉仔鸡饲粮中添加4% SCS替代部分能量饲料是可行的。

关键词： 糖化玉米秸秆; 肉仔鸡; 生长性能; 养分代谢率; 器官指数; 血清指标; 微生物

本文引用格式

王平 , 常娟 , 刘超齐 , 尹清强 , 邵栓 , 孙贵宾 , 党晓伟 , 高天增 . 糖化玉米秸秆对肉仔鸡生长性能、养分代谢率、器官指数、血清指标及肠道菌群的影响[J]. 动物营养学报, 2019 , 31(8) : 3843 -3852 . DOI: 10.3969/j.issn.1006-267x.2019.08.046

Abstract

This study was conducted to investigate the effects of saccharification corn straw (SCS) on growth performance, nutrient metabolic rates, organ indices, serum indices and intestinal microflora of broilers. A total of 250 healthy one-day-old female Arbor Acres (AA) broilers were randomly divided into 5 groups with 5 replicates per group and 10 broilers per replicate. Broilers in the basal diet group were fed a basal diet, and the others in the experimental were fed the diets which supplemented with 4%, 8%, 12% SCS and 8% SCS (high oil) replaced partial energy feed, respectively. The experiment lasted 21 days. The results showed as follows:1) the average daily feed intake of 8% SCS (high oil) group was significantly higher than that of 8% SCS group (P<0.05), the final weight and average daily gain of 8% SCS group and 12% SCS group were significantly lower than those of basal diet group (P<0.05), and the feed to gain ratio of 8% SCS group, 12% SCS group and 8% SCS (high oil) group was significantly higher than that of basal diet group and 4% SCS group (P<0.05). 2) The dietary metabolic energy of 8% SCS (high oil) group was significantly higher than that of other groups (P<0.05), the energy metabolic rate of 12% SCS group was significantly lower than that of basal diet group and 4% SCS group (P<0.05), the crude protein metabolic rate of 4% SCS group was significantly higher than that of other groups (P<0.05), and the calcium metabolic rate of 4% SCS group was significantly higher than that of basal diet group (P<0.05). 3) The liver index of 8% SCS group was significantly higher than that of other groups (P<0.05), the proventriculus index of 12% SCS group was significantly lower than that of 8% SCS group (P<0.05), and the cecum index of 4% SCS group was significantly lower than that of 8% SCS group and 12% SCS group (P<0.05). 4) The serum alkaline phosphatase activity of 12% SCS group was significantly higher than that of other groups (P<0.05), the contents of uric acid, urea, total protein, albumin and total bilirubin in serum of 8% SCS group were significantly higher than those of 8% SCS (high oil) group (P<0.05), and the serum total superoxide dismutase activity of 8% SCS (high oil) group was significantly lower than that of other groups (P<0.05). 5) The ileum Escherichia coli number of 4% SCS group, 8% SCS group and 12% SCS group was significantly lower than that of basal diet group and 8% SCS (high oil) group (P<0.05). In conclusion, dietary 4% SCS has no significant effects on growth performance, most nutrient metabolic rates, organ indices, serum biochemical and antioxidant indices of broilers, significantly decrease the ileum Escherichia coli number. Diets adding 4% SCS replacing partly energy feed for broilers during 1 to 21 days of age is feasible.

Key words： saccharification corn straw; broilers; growth performance; nutrient metabolic rates; organ indices; serum indices; microorganism

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