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当前位置: 首页 > 文章 > 慢性应激对AA肉鸡生产性能和肉质的影响 家畜生态学报 2012,33 (1) 65-69
Position: Home > Articles > Effects of Chronic Stress on Production Performance and Meat Quality of Broliors Journal of Domestic Animal Ecology 2012,33 (1) 65-69

慢性应激对AA肉鸡生产性能和肉质的影响

作  者：
张静;刘晓丹;姚昆;李想;包军;李剑虹
单  位：
东北农业大学生命科学学院;东北农业大学动物科学与技术学院
关键词：
慢性应激;生产性能;肉质;肉鸡
摘  要：
研究三种慢性应激因素包括社会隔离饲养,高密度饲养和频繁干扰饲养对肉鸡生产性能和肉质的影响。分别于饲养期的第6、7、8、9周末早8∶00对所有鸡进行胫长、胫围及体重的测量;于饲养期的第9周末屠宰所有鸡只,测定以下肉质指标:pH值、肉色、滴水损失、剪切力、粗蛋白和粗脂肪含量。试验结果表明:(1)应激因素对肉鸡体重有一定影响。6周龄时各处理组间体重无显著差异,7周龄时频繁干扰组和散放组的肉鸡体重显著高于社会隔离组和高密度组,8周龄时频繁干扰组和散放组的肉鸡体重显著高于高密度组,9周龄时散放组肉鸡体重显著高于其它三组,社会隔离组肉鸡体重显著高于高密度组;应激因素对肉鸡胫围没有影响;应激因素对肉鸡胫长有一定影响。6、7、8周龄时各组间胫长差异不显著,9周龄时散放组胫长显著高于其它三组。(2)应激因素对肉鸡肉质有一定影响。各处理组肉鸡的pH值、剪切力、粗蛋白含量和肉色之间的差异都不显著;社会隔离组的滴水损失显著高于其它三组;散养组肉鸡的粗脂肪含量显著低于其他三组。
译  名：
Effects of Chronic Stress on Production Performance and Meat Quality of Broliors
作  者：
ZHANG Jing1,LIU Xiao-dan1,YAO Kun2,LI Xiang2,BAO Jun2,LI Jian-hong1(1.College of Life Science and Technology,Northeast Agricultural University,Harbin,Heilongjiang 150030,China;2.College of Animal Science and Technology,Northeast Agricultural University,Harbin,Heilongjiang 150030,China)
关键词：
chronic stress;production performance;meat quality;broiler
摘  要：
The purpose of this study was to test the effects of three chronic stress factors on broilers production performance and meat quality.The three chronic stress factors included social isolation group(SIG),high-density group(HDG),interference group(IG) and cage free group(control group).The experimental results indicated that the stress factor had effects on broilers' body weight.Body weight of each group were not significantly different in 6 week age.And the body weight from IG and cage free group were significantly higher than that of SIG and HDG in 7 week age;the body weight from IG and cage free group were significantly higher than that of HDG in 8 week age,and the body weight from cage free group were significantly higher than other three groups in 9 week age and IG were significantly higher than HDG at the same time.Stress factors had no effects on broilers shank girth,but had some effects on broilers shank length.The shank length were not significantly different between each group in 6,7 and 8 week age,but the shank length from cage free group is significantly higher than other groups.Stress factors had some effects on broilers meat quality.The pH value,shear force,crude protein and meat color were not significantly different between each group;but the drip loss from SIG was significantly higher than that of other groups;and the crude protein from cage free group were significantly lower than that of other groups.

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