运输应激和宰前休息对肉鸭血液指标和肉品质的影响

发布时间：2018-06-20 07:21

本文选题：肉鸭 + 运输应激　；参考：《中国家禽》2017年14期

【摘要】：为制定合理的肉鸭运输和屠宰前应激缓解策略,提高肉鸭肉品质,研究将120只42日龄北京鸭随机分成6组(组1~组6),对不同组别施以不同的运输时间、休息时间,并测定血液应激指标和肉品质。结果显示:组2、组3的T3、T4浓度要极显著低于组1(P0.01),组6的谷丙转氨酶(ALT)、谷草转氨酸(AST)、肌酸激酶(CK)和谷胱甘肽过氧化物酶(GSH-Px)水平极显著低于组3、组5(P0.01),组3、组5胸肌蛋白和丙二醛(MDA)含量极显著高于组1和组6(P0.01),组3胸肌脂肪含量以及p H值都极显著高于组1(P0.01),组2、组3胸肌蛋白质羰基含量极显著高于组1和组6(P0.01)。结果表明,长途运输会给肉鸭带来很大应激,而宰前休息可以有效缓解应激,理想休息时间为2 h。
[Abstract]:In order to formulate reasonable strategies for relieving stress before slaughter and transport, and to improve the quality of meat and duck, 120 Beijing ducks aged 42 days were randomly divided into 6 groups (group 1 ~ group 6). Different groups were given different transport time and rest time. Blood stress index and meat quality were measured. The results showed that the concentrations of T3T4 in group 2 and group 3 were significantly lower than those in group 1 (P 0.01), and the levels of alanine aminotransferase (alt), aspartate transaminase (AST), creatine kinase (CK) and glutathione peroxidase (GSH-Px) in group 6 were significantly lower than those in group 3, group 5P 0.01, group 3, group 5, group 5. The contents of MDAs in white and malondialdehyde were significantly higher than those in group 1 and group 6 (P0.01A), the contents of pectoralis fat and pH in group 3 were significantly higher than those in group 1 (P 0.01), and the contents of protein carbonyl in group 2 (group 2) were significantly higher than those in group 1 and group 6 (P 0.01). The results showed that the long distance transportation would bring great stress to the meat ducks, and the rest before slaughter could relieve the stress effectively, and the ideal rest time was 2 hours.
【作者单位】：扬州大学动物科学与技术学院;江苏现代畜牧科技园;江苏益客食品有限公司;
【基金】：江苏省农业科技自主创新资金(CX(15)1010、CX(14)2070)
【分类号】：S834

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