饲料营养 Feed Science and Technology

灌服N-氨甲酰谷氨酸对哺乳山羊羔羊生长性能、血液参数及器官重的影响

  • 王若丞 ,
  • 纪宇 ,
  • 孙玲伟 ,
  • 茆达干 ,
  • 王金刚 ,
  • 马铁伟 ,
  • 王锋 ,
  • 王子玉
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  • 1. 南京农业大学动物科技学院, 南京 210095;
    2. 南京农业大学海门山羊研发中心, 海门 216121

收稿日期: 2015-12-30

  网络出版日期: 2016-06-27

基金资助

公益性行业(农业)科研专项(201303143-06);江苏省农业科技自主创新引导资金项目[CX(15)1007]

Effects of Oral N-Carbamylglutamate Supplementation on Growth Performance, Blood Parameters and Organ Weight of Suckling Kidlets

  • WANG Ruocheng ,
  • JI Yu ,
  • SUN Lingwei ,
  • MAO Dagan ,
  • WANG Jingang ,
  • MA Tiewei ,
  • WANG Feng ,
  • WANG Ziyu
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  • 1. College of Animal Science and Technology, Nanjing Agricultural University, Nanjing 210095, China;
    2. Research Centre of Haimen Goats, Nanjing Agricultural University, Haimen 216121, China

Received date: 2015-12-30

  Online published: 2016-06-27

摘要

本试验旨在研究1~41日龄哺乳山羊羔羊灌服N-氨甲酰谷氨酸(NCG)对其生长性能、血液参数及器官重的影响。选取1日龄体重[(3.1±0.3) kg]相近的哺乳山羊羔羊32只,随机分在2个组中(每组16只),按每天分别灌服0(对照)、100 mg/kg BW的NCG。于羔羊41日龄时进行屠宰。结果表明,与对照组相比:1)灌服NCG显著提高了1~41日龄羔羊平均日增重,显著降低了腹泻率(P<0.05);2)灌服NCG显著提高了41日龄羔羊血浆中总蛋白和白蛋白含量(P<0.05),而显著降低了21和41日龄羔羊血浆氨和尿素氮含量(P<0.05);3)灌服NCG显著提高了21和41日龄羔羊血浆胰岛素、生长激素及一氧化氮含量(P<0.05);4)灌服NCG显著提高了41日龄羔羊血浆精氨酸、鸟氨酸和瓜氨酸含量(P<0.05)。5)灌服NCG显著提高了羔羊脾脏、小肠及大肠相对重量(P<0.05)。结果提示,灌服NCG促进哺乳山羊羔羊的生长发育及内源精氨酸合成。

本文引用格式

王若丞 , 纪宇 , 孙玲伟 , 茆达干 , 王金刚 , 马铁伟 , 王锋 , 王子玉 . 灌服N-氨甲酰谷氨酸对哺乳山羊羔羊生长性能、血液参数及器官重的影响[J]. 动物营养学报, 2016 , 28(6) : 1765 -1773 . DOI: 10.3969/j.issn.1006-267x.2016.06.018

Abstract

This study was conducted to investigate the effects of oral N-carbamylglutamate (NCG) supplementation on growth performance, blood parameters and organ weight of suckling kidlets from 1 to 41 days of age. Thirty two suckling kidlets with similar body weight [(3.1±0.3) kg] were randomly assigned to 2 groups (16 kidlets per group) at 1 day of age. Two groups of kidlets were orally administrated NCG at the dose of 0 (control) and 100 mg/kg BW per day, respectively. All kidlets were sacrificed at 41 days of age. The results showed that compared with control group: 1) oral administration of NCG significantly increased average daily gain and reduced diarrhea rate of sucking kidlets at 1 to 41 days of age (P<0.05); 2) oral administration of NCG significantly increased plasma total protein and albumin contents of 41-day-old suckling kidlets (P<0.05), meanwhile, significantly decreased plasma ammonia and urea nitrogen contents of 21- and 41-day-old suckling kidlets (P<0.05); 3) oral administration of NCG significantly increased plasma growth hormone, insulin and nitric oxide contents of 21- and 41-day-old suckling kidlets (P<0.05); 4) oral administration of NCG significantly increased plasma arginine, citrulline and ornithine contents of 41-day-old suckling kidlets (P<0.05); 5) oral administration of NCG significantly increased the relative weight of spleen, large intestine and small intestine of suckling kidlets (P<0.05). In conclusion, oral administration of NCG increases synthesis of arginine and improve growth performance of suckling kidlets.

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