饲粮能量水平对鲁西斗鸡屠宰性能和体成分的影响

姜淑贞; 窦文洁; 杨维仁; 张相伦; 杨在宾; 高翔; 牛群升

doi:10.3969/j.issn.1006-267x.2014.03.026

动物营养学报 >

2014 , Vol. 26 >Issue 3: 747 - 753

DOI: https://doi.org/10.3969/j.issn.1006-267x.2014.03.026

研究简报 Short Communications

饲粮能量水平对鲁西斗鸡屠宰性能和体成分的影响

姜淑贞 ,
窦文洁 ,
杨维仁 ,
张相伦 ,
杨在宾 ,
高翔 ,
牛群升

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1. 山东农业大学动物科技学院, 泰安 271018;
2. 中国斗鸡原种场, 菏泽 274600

收稿日期: 2013-09-13

网络出版日期: 2014-03-04

基金资助

山东省农业良种工程（鲁西斗鸡品种资源保护与开发）

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Dietary Energy Level：Effects on Slaughter Performance and Body Composition of Luxi Game Chickens

JIANG Shuzhen ,
DOU Wenjie ,
YANG Weiren ,
ZHANG Xianglun ,
YANG Zaibin ,
GAO Xiang ,
NIU Qunsheng

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1. College of Animal Science and Technology, Shandong Agricultural University, Tai'an 271018, China;
2. Chinese Game Chickens Breeding Farm, Heze 274600, China

Received date: 2013-09-13

Online published: 2014-03-04

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摘要

本试验旨在研究饲粮能量水平对生长前期（1~42日龄）和生长后期（43~140日龄）鲁西斗鸡屠宰性能和体成分的影响。选用1日龄健康鲁西斗鸡公母混雏1 000只，随机分为5个处理，每个处理4个重复，每个重复50只，分生长前期和生长后期进行饲养试验。试验各阶段的代谢能（ME）水平分别为：1~42日龄，11.98、12.19、12.38、12.62、12.81 MJ/kg；43~140日龄，11.63、11.82、12.03、12.25和12.45 MJ/kg。结果表明：饲粮能量水平对42日龄和140日龄鲁西斗鸡屠宰性能指标半净膛率、全净膛率、胸肌率、腿肌率和体成分指标水分、粗蛋白质（CP）、粗脂肪（EE）、粗灰分（CA）含量以及沉积净能（ER）均无显著影响（P>0.05）。140日龄鲁西斗鸡水分含量显著低于1日龄和42日龄鲁西斗鸡（P<0.05）；CP和CA含量随日龄增加显著升高（P<0.05）；1日龄鲁西斗鸡EE含量显著高于42日龄和140日龄（P<0.05）；42日龄鲁西斗鸡ER显著低于1日龄和140日龄（P<0.05）。本试验条件下，日龄对鲁西斗鸡水分、CP、EE、CA含量以及ER均有显著影响，EE含量随日龄增长呈现下降的趋势，反映了鲁西斗鸡的品种特性。

关键词： 鲁西斗鸡; 屠宰性能; 体成分

本文引用格式

姜淑贞 , 窦文洁 , 杨维仁 , 张相伦 , 杨在宾 , 高翔 , 牛群升 . 饲粮能量水平对鲁西斗鸡屠宰性能和体成分的影响[J]. 动物营养学报, 2014 , 26(3) : 747 -753 . DOI: 10.3969/j.issn.1006-267x.2014.03.026

Abstract

This trial was conducted to study the effects of dietary energy level on slaughter performance and body composition of Luxi game chickens during growth prophase (1 to 42 days of age) and growth anaphase (43 to 140 days of age), respectively. A total of 1-day-old 1 000 sex-mixed healthy Luxi game chickens were randomly divided into five treatments with four replicates per treatment and fifty birds per replicate. The levels of metabolizable energy (ME) were 11.98, 12.19, 12.38, 12.62 and 12.81 MJ/kg of diets from 1 to 42 days of age, meanwhile, 11.63, 11.82, 12.03, 12.25 and 12.45 MJ/kg of diets from 43 to 140 days of age. Results showed that different dietary ME levels had no significant effects on slaughter performance of part-empty thoracic cavity rate, empty thoracic cavity rate, breast muscle rate, leg muscle rate, and body composition of moisture, crude protein (CP), ether extract (EE) and ash contents, and net energy retained (ER) of Luxi game chickens aged 42 and 140 days (P>0.05). Moisture content of Luxi game chickens aged 140 days significantly was lower than that of Luxi game chickens aged 1 and 42 days (P<0.05); CP and CA contents of Luxi game chickens were significantly increased with the ages increasing (P<0.05); EE content of Luxi game chickens aged 1 day significantly was higher than that of Luxi game chickens aged 42 and 140 days (P<0.05); ER of Luxi game chickens aged 42 days significantly was lower than that of Luxi game chickens aged 1 and 140 days (P<0.05). In conclusion, ages have significant influences on moisture, CP and CA contents, and ER of Luxi game chickens. The decline of EE content with ages of Luxi game chickens reflects the variety characteristics of Luxi game chickens.

Key words： Luxi game chickens; slaughter performance; body composition

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