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当前位置: 首页 > 文章 > 宰前补饲维生素D_3对淘汰蛋鸡屠宰性能和肉品质的影响 中国家禽 2016,38 (9) 29-32
Position: Home > Articles > Effect of Pre-slaughter Vitamin D_3 Supplement on Slaughter Performance and Meat Quality of Rejected Layers China Poultry 2016,38 (9) 29-32

宰前补饲维生素D_3对淘汰蛋鸡屠宰性能和肉品质的影响

作  者：
曹宪福;杨志成;姜廷波;仲庆振
单  位：
吉林农业大学动物科技学院
关键词：
维生素D3;淘汰蛋鸡;屠宰性能;肉品质
摘  要：
为研究宰前短期补饲维生素D3对淘汰蛋鸡屠宰性能和肉品质的影响,选取67周龄海兰褐淘汰蛋鸡360只,随机分为4组,每组6个重复,每个重复15只。4个处理组分别在基础日粮中添加0、2 000、4 000、6 000 IU/kg维生素D3,试验期为2周。结果显示:6 000 IU/kg组胸肌、腿肌剪切力显著降低(P<0.05),腿肌蛋白含量显著高于对照组(P<0.05)。试验组的白蛋白、总蛋白、谷草转氨酶、乳酸脱氢酶以及钙离子浓度高于对照组,总胆固醇(CHO)、甘油三酯(TG)、碱性磷酸酶低于对照组,但均无显著差异(P>0.05)。试验表明:宰前2周补饲6 000 IU/kg维生素D3通过提高肌肉蛋白含量以及血清钙浓度,降低血清中CHO、TG浓度及肌肉剪切力,改善肌肉品质。
译  名：
Effect of Pre-slaughter Vitamin D_3 Supplement on Slaughter Performance and Meat Quality of Rejected Layers
作  者：
CAO Xianfu;YANG Zhicheng;JIANG Tingbo;ZHONG Qingzhen;College of Animal Science and Technology,Jilin Agricultural University;
关键词：
vitamin D3;;rejected layer;;slaughter performance;;meat quality
摘  要：
In order to study the effect of pre-slaughter short-term vitamin D3 supplement on slaughter performance and meat quality of rejected layer, 360 67-day-age Hy-Line brown hens were randomly allocated into four groups with six replicates per group and 15 hens per replicate. Four treatment groups was fed with the basal diet with supplement of 0,2 000,4 000,6 000 IU/kg vitamin D3 respectively. The experiment lasted for 2 weeks. The results showed that dietary added with 6 000 IU/kg had significant effect on shear force of breast and leg muscles(P<0.05). The leg muscle protein content of 6 000 IU/kg group was significantly higher than that of control group(P<0.05). The albumin,total protein,glutanic oxalacetic transaminase,lactate dehydrogenase and Ca2 +concentration of treament groups were higher than those of control group,and total cholesterol(CHO),triglyceride(TG),alkaline phosphatase concentration of treatment groups were lower,but there were no significant differences among treatment groups(P>0.05). The results indicated that 6 000 IU/kg vitamin D3 supplemented at two weeks before slaughter could increase protein content of muscle and calcium concentration of serum,decrease the concentrations of CHO,TG and shear force of muscle to improve the meat quality of rejected chicken.

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