Effects of Whole Corn Silage on Growth Performance, Slaughter Performance and Meat Quality of Mutton Sheep

ZHAO Yaxing; ZHANG Xingfu; SONG Liwen; ZHU Chunxia; BAO Jianpeng; GAO Min; AO Chang; JIN Hai

doi:10.3969/j.issn.1006-267x.2020.01.031

Chinese Journal of Animal Nutrition >

2020 , Vol. 32 >Issue 1: 253 - 258

DOI: https://doi.org/10.3969/j.issn.1006-267x.2020.01.031

Effects of Whole Corn Silage on Growth Performance, Slaughter Performance and Meat Quality of Mutton Sheep

ZHAO Yaxing ,
ZHANG Xingfu ,
SONG Liwen ,
ZHU Chunxia ,
BAO Jianpeng ,
GAO Min ,
AO Chang ,
JIN Hai

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1. Inner Mongolia Agricultural University, Hohhot 010020, China;
2. Inner Mongolia Autonomous Region Academy of Agriculture and Animal Husbandry, Hohhot 010000, China

Received date: 2019-07-18

Online published: 2020-01-19

Supported by

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Abstract

The purpose of this experiment was to investigate the effects of whole corn silage on growth performance, slaughter performance and meat quality of mutton sheep, and provide a theory basis for promoting whole corn silage utilization and healthy breeding of mutton sheep. Twenty-four Dorper×thin-tailed Han crossbred sheep with good body weight and average body weight of (32.0±1.7) kg were randomly divided into two groups according to the homogeneous principle, with 12 replicates in each group and one sheep in each replicate. In the control group, the sheep were fed a diet using Leymus chinensis as roughage, while the sheep in the experimental group were fed a diet using whole corn silage as roughage. The feeding trial lasted for 75 days, including 10 days of pre-test period and 65 days of formal period. On the last day of the formal period, six sheep were selected for slaughter in each group. The slaughter performance and meat quality of mutton sheep were determined, separately. The results showed as follows:1) the average daily dry matter intake and feed/gain of the trial group were significantly lower than those of the control group (P<0.05). There was no significant difference in average daily gain between the two groups (P>0.05). 2) There were no significant differences in slaughter performance indexes between the two groups (P>0.05). 3) The GR value of the trial group was significantly lower than that of the control group (P<0.05). The drip loss rate of the trial group was reduced by 17.5% compared with the control group (P>0.05). There was no significant difference in the cooking lose rate and shear force between the two groups (P>0.05). In conclusion, whole corn silage can improve the growth performance and meat quality of mutton sheep.

Key words： whole corn silage; mutton sheep; growth performance; slaughter performance; meat quality

Cite this article

ZHAO Yaxing , ZHANG Xingfu , SONG Liwen , ZHU Chunxia , BAO Jianpeng , GAO Min , AO Chang , JIN Hai . Effects of Whole Corn Silage on Growth Performance, Slaughter Performance and Meat Quality of Mutton Sheep[J]. Chinese Journal of Animal Nutrition, 2020 , 32(1) : 253 -258 . DOI: 10.3969/j.issn.1006-267x.2020.01.031

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