不同纤维源对灰雁生长性能和屠宰性能的影响

doi:10.11843/j.issn.0366-6964.2014.07.024

畜牧兽医学报 ›› 2014, Vol. 45 ›› Issue (7): 1196-1201.doi: 10.11843/j.issn.0366-6964.2014.07.024

不同纤维源对灰雁生长性能和屠宰性能的影响

和立文，孟庆翔，张亚伟，李德勇，何翠，任丽萍^*

（中国农业大学动物科技学院动物营养学国家重点实验室，北京 100193）

收稿日期:2013-11-05 出版日期:2014-07-23 发布日期:2014-07-23
通讯作者: 任丽萍，教授，博士生导师，主要从事动物营养与饲料科学研究，Tel：010-62733799，E-mail：renlp@cau.edu.cn
作者简介:和立文（1989-），男，壮族，广西南宁人，硕士，主要从事反刍动物营养研究，E-mail：helw082@163.com
基金资助:
北京共建项目（201202910411136）；国家肉牛牦牛产业技术体系（CARS-38）

Effects of Different Fiber Sources on Growth Performance and Slaughter Performance in Graylag

HE Li-wen，MENG Qing-xiang，ZHANG Ya-wei，LI De-yong，HE Cui，REN Li-ping^*

(State Key Laboratory of Animal Nutrition，College of Animal Science &Technology，China Agricultural University，Beijing 100193，China)

Received:2013-11-05 Online:2014-07-23 Published:2014-07-23

摘要/Abstract

摘要：

本研究旨在通过饲养和屠宰试验探究不同纤维源对灰雁生长性能和屠宰性能的影响，为灰雁的科学饲养提供试验数据。试验选取240只4周龄健康灰雁，按性别和体重随机分为4组，每个处理组15个重复，每个重复4只灰雁，分别喂给含30%的黄贮玉米秸、汽爆玉米秸、汽爆麦秸和汽爆稻秸的试验日粮，试验分为2周过渡期和10周正试期。试验期间每2周测定1次采食量、增重、料重比等生长性能指标，在试验结束时进行屠宰试验，测定屠宰率、全净膛率、半净膛率、腹脂率、胸肌率、腿肌率等屠宰性能指标。试验结果表明，黄贮玉米秸组灰雁的采食量极显著高于3个汽爆秸秆组(P<0.01),料重比也显著高于3个汽爆秸秆组(P<0.05)，而在增重指标上各组间均无显著性差异（P>0.05）；3个汽爆秸秆组之间在生长性能各项指标上也无显著性差异（P>0.05）。屠宰性能方面，4种秸秆纤维源在屠宰性能各项指标上均无显著性差异（P>0.05）。在数据上，汽爆稻秸组的屠宰率、全净膛率和半净膛率均最低，黄贮玉米秸组的腹脂率最高，而胸肌率和腿肌率方面汽爆玉米秸组较高。除采食量和料重比外，4种秸秆纤维源对灰雁的生长性能和屠宰性能均无显著影响；相比于黄贮秸秆，汽爆秸秆组的料重比较低，可见汽爆技术可以在很大程度上提高秸秆的利用效率。

Abstract:

This experiment was conducted to study the effects of different fiber sources on growth performance and slaughter performance in graylag，and to provide references for scientific feeding.Two hundred and forty four-week-old graylags were randomly assigned to four dietary treatments based on body weight and sex，which included 30% corn stalk silage (CSS)，steam exploded corn stalk (SECS)，steam exploded wheat straw (SEWS) and steam exploded straw (SES)，respectively，with fifteen replicates for each treatment and four graylags per replicate.The feeding trial lasted for 12 weeks including a two-week-transitional period and a ten-week-test period.Feed intake(FI)，weight gain(WG) and F/G were determined every two weeks and dressing percentage(DP)，eviscerated percentage(EP)，hemi-eviscerated percentage(HEP)，abdominal fat percentage(AFP)，breast meat percentage(BMP) and thigh meat percentage(TMP) were measured at the end of experiment.The results showed that：1) comparing to the three steam exploded groups，group CSS had higher FI (P<0.01) and F/W (P<0.05),while there was no significant difference on WG (P>0.05) and there was also no significant difference on growth performance among the three steam exploded groups (P>0.05)；2) As to slaughter performance，there was no significant difference among the four fiber sources (P>0.05)，numerically， group SES had the lowest DP，EP and HEP，group CSS got the highest AFP and group SECS reached higher BMP and TMP.These results indicated that the four fiber sources had no significant effect on growth performance and slaughter performance of graylag except for daily FI and W/G，and steam exploded stalk groups had lower F/G，which indicate steam exploded technique may highly improve the utilization efficiency of crop straws.

中图分类号:

S839
S816.9

和立文，孟庆翔，张亚伟，李德勇，何翠，任丽萍. 不同纤维源对灰雁生长性能和屠宰性能的影响[J]. 畜牧兽医学报, 2014, 45(7): 1196-1201.

HE Li-wen，MENG Qing-xiang，ZHANG Ya-wei，LI De-yong，HE Cui，REN Li-ping. Effects of Different Fiber Sources on Growth Performance and Slaughter Performance in Graylag[J]. ACTA VETERINARIA ET ZOOTECHNICA SINICA, 2014, 45(7): 1196-1201.

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不同纤维源对灰雁生长性能和屠宰性能的影响

Effects of Different Fiber Sources on Growth Performance and Slaughter Performance in Graylag

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