动物营养学报 >

2021 , Vol. 33 >Issue 2: 1036 - 1043

DOI: https://doi.org/10.3969/j.issn.1006-267x.2021.02.043

特种经济动物营养与饲料 SPECIAL ECONOMIC ANIMAL NUTRITION AND FEED

蛋氨酸铜对2~4月龄长毛兔生产性能、血清生化指标及血清含铜酶活性的影响

  • 张永翠 ,
  • 王恩玲 ,
  • 严俊丽 ,
  • 伏桂华 ,
  • 王宇文 ,
  • 谭清元 ,
  • 梁启军 ,
  • 杨磊 ,
  • 解红梅
展开
  • 1. 山东畜牧兽医职业学院, 潍坊 261061;
    2. 诸城市龙都畜牧兽医站, 诸城 262200;
    3. 临沂市郯城县庙山镇畜牧兽医站, 临沂 276000
张永翠(1982-),女,山东济南人,讲师,硕士,从事动物营养与饲料研究。E-mail:1-zyc@163.com

收稿日期: 2020-07-15

  网络出版日期: 2021-02-04

基金资助

山东省现代农业产业技术体系特种经济动物创新团队（SDAIT-21-03）

收起

Effects of Copper Methionine on Performance, Serum Biochemical Indexes and Copper-Containing Enzyme Activities of 2 to 4 Months Old Long Hair Rabbits

  • ZHANG Yongcui ,
  • WANG Enling ,
  • YAN Junli ,
  • FU Guihua ,
  • WANG Yuwen ,
  • TAN Qingyuan ,
  • LIANG Qijun ,
  • YANG Lei ,
  • XIE Hongmei
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  • 1. Shandong Vocational Animal Science and Veterinary College, Weifang 261061, China;
    2. Zhucheng Longdu Animal Husbandry and Veterinary Station, Zhucheng 262200, China;
    3. Animal Husbandry and Veterinary Station of Miaoshan Town, Tancheng County, Linyi 276000, China

Received date: 2020-07-15

  Online published: 2021-02-04

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摘要

本试验旨在研究饲粮中蛋氨酸铜添加量对2~4月龄长毛兔生产性能、血清生化指标及血清含铜酶活性的影响。选用180只刚剪完胎毛的2月龄蒙阴长毛兔，随机分为6组，每组10个重复，每个重复3只。以蛋氨酸铜为铜源，在基础饲粮中分别添加0、10、20、40、80和160 mg/kg铜，配制6种试验饲粮。预试期7 d，正试期53 d。结果表明：铜添加量对长毛兔平均日增重（ADG）、料重比（F/G）有显著影响（P<0.05），随着铜添加量的增加，ADG先增加后降低，F/G先降低后增加，当铜添加量为40 mg/kg时，ADG最高，F/G最低，但与铜添加量为20 mg/kg时差异不显著（P>0.05）。铜添加量对产毛量、毛直径、皮张面积均无显著影响（P>0.05）。铜添加量对血清总蛋白（TP）、白蛋白（ALB）、球蛋白（GLB）、尿素氮（UN）含量以及白球比（A/G）的影响均不显著（P>0.05）。随着铜添加量的增加，血清GLB含量呈先升高后降低的趋势。铜添加量对血清铜锌超氧化物歧化酶、铜蓝蛋白活性有显著影响（P<0.05），铜添加量为20 mg/kg时，血清铜锌超氧化物歧化酶、铜蓝蛋白的活性最高，分别为69.33 U/mL和227.30 U/L。铜添加量对血清钙、磷含量无显著影响（P>0.05），对肝脏指数、肾脏指数、心脏指数、脾脏指数亦无显著影响（P>0.05）。依据本试验结果并考虑环保要求，以蛋氨酸铜为铜源时，推荐2~4月龄长毛兔饲粮中铜添加量为20 mg/kg。

关键词： 蛋氨酸铜; 长毛兔; 生产性能; 血清生化指标; 含铜酶活性

本文引用格式

张永翠 , 王恩玲 , 严俊丽 , 伏桂华 , 王宇文 , 谭清元 , 梁启军 , 杨磊 , 解红梅 . 蛋氨酸铜对2~4月龄长毛兔生产性能、血清生化指标及血清含铜酶活性的影响[J]. 动物营养学报, 2021 , 33(2) : 1036 -1043 . DOI: 10.3969/j.issn.1006-267x.2021.02.043

Abstract

This experiment was conducted to study the effects of dietary copper methionine supplemental level on the performance, serum biochemical indexes and copper-containing enzyme activities of 2 to 4 months old long hair rabbits. One hundred and eighty Mengyin long hair rabbits were randomly assigned to 6 groups with 10 replicates per group and 3 rabbits per replicate. Rabbits in the 6 groups were fed a basal diet supplemented with 0, 10, 20, 40, 80 and 160 mg/kg copper (the form was copper methionine), respectively. The trail lasted for 7 days for adaption and 53 days for test. The results showed as follows: copper supplemental level had significant effects on average daily gain (ADG) and feed/gain (F/G) (P<0.05). With the copper supplemental level increasing, the ADG was firstly increased and then decreased, and the F/G was firstly decreased and then increased. The ADG was the highest and the F/G was the lowest when copper supplemental level was 40 mg/kg, but it has no significant difference with the 20 mg/kg of copper supplemental level. Copper supplemental level had no significant effects on hair production, wool diameter and fur area (P>0.05), and had no significant effects on serum total protein (TP), albumin (ALB), globulin (GLB), urea nitrogen (UN) contents and albumin/globulin (A/G) (P>0.05). The serum GLB content was firstly increased and then decreased with the copper supplemental level increasing. Copper supplemental level had significant influences on the activities of serum copper-zinc superoxide dismutase (Cu-Zn SOD) and ceruloplasmin (CP) (P<0.05), the activities of Cu-Zn SOD and CP were all the highest when copper supplemental level was 20 mg/kg, and they were 69.33 U/mL and 227.30 U/L, respectively. Copper supplemental level had no significant influences on serum calcium (Ca) and phosphorus (P) contents (P>0.05), and had no significant influences on liver index, kidney index, heart index and spleen index (P>0.05). According to the results and the requirement of environmental protection, the appropriate copper (copper methionine as copper source) supplementation level is 20 mg/kg for 2 to 4 months old long hair rabbit.

Key words： copper methionine; long hair rabbit; performance; serum biochemical indexes; copper-containing enzyme activities

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