Effects of Combination of N-Carbamyl Glutamate and Guanidine Acetic Acid on Carcass Characteristic and Meat Quality of Tan Sheep

LIU Bo; ZHONG Rui; KOU Qifang; NIU Wenzhi; ZHANG Guijie

doi:10.3969/j.issn.1006-267x.2019.12.025

2019 , Vol. 31 >Issue 12: 5595 - 5600

DOI: https://doi.org/10.3969/j.issn.1006-267x.2019.12.025

Effects of Combination of N-Carbamyl Glutamate and Guanidine Acetic Acid on Carcass Characteristic and Meat Quality of Tan Sheep

LIU Bo ,
ZHONG Rui ,
KOU Qifang ,
NIU Wenzhi ,
ZHANG Guijie

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1. Departments of Animal Science, Ningxia University, Yinchuan 750021, China;
2. Hongsipu District Tianyuan Well-Bred Sheep Breeding Co., Ltd., Wuzhong 751900, China

Received date: 2019-05-13

Online published: 2019-12-13

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Abstract

This experiment was conducted to study the effects of combination of N-carbamyl glutamate (NCG) and guanidine acetic acid (GAA) on the growth performance, carcass characteristic and meat quality of Tan sheep. Forty-eight healthy and emasculated Tan lambs with a similar body weight of (22.52±0.85) kg were randomly assigned into control group and test group (6 replicates per group, 4 lambs per replicate). Those in the control group fed a basal diet, and those in test group received a diet which supplemented 0.10% NCG and 0.08% GAA in the basal diet. The experiment lasted for 80 d. The results showed as follows:compared with the control group, 1) the average daily weight gain (ADG) and feed conversion rate (FCR) in the test group significantly increased (P<0.05); 2) the slaughter rate and net meat rate in test group significantly increased (P<0.05); 3) the body fat distribution in test group significantly improved, and the tail fat and GR value decreased significantly (P<0.05), the intramuscular fat (IMF) content significantly increased (P<0.05), and the marbling grading significantly increased (P<0.05). These results indicate that 0.10% NCG and 0.08% GAA supplemented to the diet can significantly improve the growth performance and body fat distribution of Tan sheep, and the effect on the meat quality of the Tan sheep is obvious.

Key words： N-carbamyl glutamate; guanidine acetic acid; Tan sheep; growth performance; slaughter performance; fat deposition

Cite this article

LIU Bo , ZHONG Rui , KOU Qifang , NIU Wenzhi , ZHANG Guijie . Effects of Combination of N-Carbamyl Glutamate and Guanidine Acetic Acid on Carcass Characteristic and Meat Quality of Tan Sheep[J]. Chinese Journal of Animal Nutrition, 2019 , 31(12) : 5595 -5600 . DOI: 10.3969/j.issn.1006-267x.2019.12.025

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