摘要
为了研究不同养殖模式对藏猪屠宰性能、肉质及血清生化指标的影响,试验选择体重接近、健康的藏猪24头,随机均分为试验组(舍饲养殖)和对照组(传统养殖),于240日龄屠宰,测定胴体性状、肉质和血清生化指标。结果表明:试验组藏猪胴体指标均高于对照组,其中宰前活重、胴体重和眼肌面积显著高于对照组(P<0.05);试验组藏猪pH_(45 min)值、滴水损失、剪切力和失水率均高于对照组(P>0.05),蒸煮损失低于对照组(P>0.05),pH_(24 h)值显著低于对照组(P<0.05);试验组藏猪肉质中水分和肌内脂肪含量显著高于对照组(P<0.05),微量元素Cu、Zn、Fe和Mn含量均低于对照组(P>0.05),常量元素Ca和P均高于对照组,其中Ca含量差异显著(P<0.05);试验组藏猪肉质中丝氨酸和谷氨酸含量均显著高于对照组(P<0.05),而脯氨酸含量显著低于对照组(P<0.05);试验组藏猪血清中肌酸激酶和尿素氮含量与对照组比较差异显著(P<0.05)。说明舍饲养殖可提高藏猪的生长速度,有利于体内脂肪的沉积和大理石纹评分,但降低了肉的嫩度、系水性和稳定性。
In order to investigate the effect of different feeding modes on slaughter performance, meat quality and blood biochemical indexes of Tibetan swine, 24 healthy Tibetan swine with similar body weight were randomly divided into experimental group(barn feeding breeding) and the control group(conventional breeding).After 240 days of the experiment, the Tibetan swine were slaughtered for the determination of carass traits, meat quality and blood biochemical indicators. The results showed that the live weight before slaughter, carcass weight and eye muscle area of Tibetan swine in experimental groups were significantly higher than those in the control group(P<0.05). The pH_(45 min) value, dripping loss, shear force and water loss rate of Tibetan swine in the experimental group were higher than those in the control group, but the differences are not significant(P>0.05), cooking loss lower than control group(P>0.05). The pH_(24 h) value in the experimental group was significantly lower than that in the control group(P<0.05). The water content and intramuscular fat in the experimental group were significantly higher than those in the control group(P<0.05). The contents of trace elements(Cu, Zn, Fe and Mn) in the experimental group were all lower than those in the control group, but the differences are not significant(P>0.05). The contents of Ca and P in the experimental group were higher than those of the control group, but only Ca content was significantly different(P<0.05). The content of serine and glutamate in the experimental group were significantly higher than those in the control group(P<0.05), while the content of proline was significantly lower than that in the control group(P<0.05). The contents of creatine kinase and urea nitrogen in the experimental group were significantly different from those in the control group(P<0.05). The results indicated that barn feeding could improve the growth rate of Tibetan swine, which was beneficial to fat deposition and marbling score, but decreased the tenderness, watertightn
作者
朱彦宾
兰天漪
彭阳洋
孙光明
石海仁
石斌
吴沁安
达瓦
赵丽
尼玛
马金英
格桑卓嘎
刘旭
黄长春
他幸军
彭建军
郭明阳
俄广鑫
巴桑旺堆
ZHU Yanbin;LAN Tianyi;PENG Yangyang;SUN Guangming;SHI Hairen;SHI Bin;WU Qin’an;Dawa;ZHAO Li;Nima;MA Jinying;Gesangzhuoga;LIU Xu;HUANG Changchun;TA Xingjun;PENG Jianjun;GUO Mingyang;E Guangxin;Basangwangdui(Institute of Animal Husbandryand Veterinary Medicine,Tibet Academy of Agriculture and Animal Husandry Science,Lhasa 850009,China;College of Animal Science and Technology,Southwest University,Chongqing 400417,China;Tibet Academy of Agriculture and Animal Husandry Science,Lhasa 850000,China;Lhasa Chengguan District Agricultural and Pastoral Bureau,Lhasa 850009,China;Unit 77573 of the People’s Liberation Army,Lhasa 850000,China)
出处
《黑龙江畜牧兽医》
CAS
北大核心
2021年第11期75-79,共5页
Heilongjiang Animal Science And veterinary Medicine
基金
西藏自治区财政专项(XZ-2019-NK-NS-003)。
关键词
藏猪
饲养模式
屠宰性能
肉质
血清生化指标
营养
Tibetan swine
feeding mode
slaughter performance
meet quality
blood biochemical index
nutrition
