动物营养学报 >

2013 , Vol. 25 >Issue 1: 208 - 213

DOI: https://doi.org/10.3969/j.issn.1006-267x.2013.01.026

研究简报 Short Communications

饲粮不同能量水平对育肥奶山羊公羊生长性能和血清生化指标的影响

  • 巩峰 ,
  • 王建民 ,
  • 王桂芝 ,
  • 谢之景 ,
  • 杨维仁
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  • 山东农业大学动物科技学院,泰安 271018

收稿日期: 2012-07-01

  网络出版日期: 2013-01-04

基金资助

山东省农业重大应用技术创新课题(No.2010516)和国家公益性行业科研专项(No.201103038)

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Effects of Dietary Energy Level on Growth Performance and Serum Biochemical Indices of Fattening Male Dairy Goats

  • GONG Feng ,
  • WANG Jianmin ,
  • WANG Guizhi ,
  • XIE Zhijing ,
  • YANG Weiren
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  • Department of Animal Science and Technology, Shandong Agricultural University, Tai'an 271018

Received date: 2012-07-01

  Online published: 2013-01-04

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摘要

本试验旨在研究饲粮不同能量水平对育肥奶山羊公羊生长性能和血清生化指标的影响。选择27只体重相近[(25.01±3.23) kg]的崂山奶山羊公羊,随机分成3组,每组3个重复,每个重复3只。饲粮配制参照AFRC(1998)营养需要推荐量,按消化能9.29、10.00、10.70 MJ/kg 3个梯度进行饲养试验。结果表明:1)9.29 MJ/kg组奶山羊公羊平均日增重(ADG)显著低于另外2组(P<0.05),3组中10.00 MJ/kg组ADG最高,较9.29 MJ/kg组高138.19%(P<0.05),较10.70 MJ/kg组高19.15%(P>0.05)。10.00、10.70 MJ/kg组料重比显著低于9.29 MJ/kg组(P<0.05),前2组之间差异不显著(P>0.05)。2)奶山羊公羊血清谷丙转氨酶、谷草转氨酶活性和总蛋白含量3组间均差异不显著(P>0.05);9.29 MJ/kg组奶山羊公羊血清尿素氮含量显著高于10.00、10.70 MJ/kg组(P<0.05),血清葡萄糖、白蛋白、总胆固醇含量显著低于10.00 MJ/kg组(P<0.05)。由以上结果并考虑饲养成本可知,奶山羊公羊获得最佳生长性能的饲粮消化能水平为10.00 MJ/kg。

关键词： 奶山羊; 育肥; 能量水平; 生长性能; 血清生化指标

本文引用格式

巩峰 , 王建民 , 王桂芝 , 谢之景 , 杨维仁 . 饲粮不同能量水平对育肥奶山羊公羊生长性能和血清生化指标的影响[J]. 动物营养学报, 2013 , 25(1) : 208 -213 . DOI: 10.3969/j.issn.1006-267x.2013.01.026

Abstract

This experiment was conducted to investigate the effects of dietary energy level on growth performance and serum biochemical indices of fattening male dairy goats. Twenty seven male Laoshan dairy goats with an average body weight of (25.01?3.23) kg were randomly assigned to 3 groups with 3 replicates per group of 3 goats per replicate. Diets were formulated according to the AFRC (1998), with three digestible energy levels of 9.29, 10.00 and 10.70 MJ/kg. The results showed as follows: 1) average daily gain (ADG) of goats in 9.29 MJ/kg group was significantly lower than that in 10.00 and 10.70 MJ/kg groups (P<0.05). Among three groups, goats in 10.00 MJ/kg group appeared to have the highest ADG increased by 138.19% compared with 9.29 MJ/kg group (P<0.05), and by 19.15% compared with 10.70 MJ/kg group (P>0.05). Feed to gain ratio of goats in 10.00 and 10.70 MJ/kg groups was significantly lower than that in 9.29 MJ/kg group (P<0.05), but there was no significant difference between 10.00 and 10.70 MJ/kg groups (P>0.05). 2) All goats had similar activities of glutamic-pyruvic transaminase and glutamic-oxalacetic transaminease and content of total protein in serum (P>0.05), however, serum urea nitrogen content in 9.29 MJ/kg group was significantly higher than that in 10.00 and 10.70 MJ/kg groups (P<0.05) and serum glucose, albumin, total cholesterol contents were significantly lower than those in 10.00 MJ/kg group (P<0.05). Overall, considering the costing of the feeding, digestible energy level at 10.00 MJ/kg is the best for male dairy goats' growth.

Key words： dairy goats; fattening; energy level; growth performance; serum biochemical indices

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