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模拟运输对异育银鲫血液生理生化指标、体色和肉质的影响 预览

EFFECTS OF SIMULATIVE TRANSPORTATION ON THE PLASMA BIOCHEMICAL INDICES,BODY COLOR AND FILLET QUALITY OF GIBEL CARP
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摘要 实验以异育银鲫“中科3号”[Carassis gibelio var.CAS Ⅲ,平均体重(116.46±2.09)g)]为研究对象,通过模拟汽车运输振动台模拟4h运输,研究模拟运输对异育银鲫血液生理生化指标、体色和肉质及水质的影响。研究结果表明:经过模拟运输后,运鱼袋内水体氨氮显著升高(P<0.01),pH显著下降(P<0.05),溶解氧含量升高(P<0.05)。模拟运输后异育银鲫血浆中皮质醇、葡萄糖和丙二醛浓度显著升高(P<0.01);乳酸浓度显著降低(P<0.01);谷胱甘肽过氧化物酶活力显著降低(P<0.05);超氧化物歧化酶和过氧化氢酶活力降低但差异不显著(P>0.05)。在模拟运输4h后,异育银鲫背部亮度值(L*)显著降低(P<0.01),黄色值(b*)在背部和侧线部较模拟运输前显著降低(P<0.01),在腹部较模拟运输前显著降低(P<0.05),侧线部和腹部的亮度值(L*),以及背部、侧线部和腹部的红色值(a*)下降但差异不显著(P>0.05)。在模拟运输后,异育银鲫背肌内聚性、咀嚼性和回复性显著降低(P<0.05),硬度、胶黏性、弹性和黏性变化但差异不显著(P>0.05)。实验结果表明,4h模拟运输能够引起运鱼袋水体水质情况改变,诱导异育银鲫鱼体的应激反应,导致实验鱼体色和鱼肉品质相关指标的变化,降低了鱼肉品质部分指标。 This study was conducted to investigate the effect of transportation stress on the plasma biochemical indices,body color,fish quality of gibel carp[Carassis gibelio var.CAS III,body weight of(116.46±2.09)g]and water quality.Transportation was simulated on an automobile vibration bench for 4h.After 4h simulative transportation,the ammonia concentration of water in bags increased significantly(P<0.01),and the dissolved oxygen of water in bags was increased(P<0.05),while the pH value decreased significantly(P<0.05).Fish plasma cortisol,glucose and MDA concentration increased significantly(P<0.01),while plasma lactic acid concentration decreased(P<0.01).Plasma GSH-PX significantly decreased after 4h simulative transportation(P<0.05),and plasma SOD and CAT had a low value after simulative transportation(P>0.05).Dorsal skin showed significantly decreasing L^*values after 4h simulative transportation(P<0.01),and the abdomen and lateral line L^*values also decreased with no significance(P>0.05).While a*(P>0.05)and b*(P<0.05)values declined in these three parts after 4h transportation.Cohesiveness,chewiness and resilience decreased significantly in fillet(P<0.05).The fillet gumminess,springiness and adhesiveness were slightly decreased(P>0.05),while its hardness increased(P>0.05).The results indicated that transportation could induce stress response of gibel carp and reduce fish quality.
作者 张玉平 刘昊昆 金俊琰 朱晓鸣 韩冬 杨云霞 解绶启 ZHANG Yu-Ping;LIU Hao-Kun;JIN Jun-Yan;ZHU Xiao-Ming;HAN Dong;YANG Yun-Xia;XIE Shou-Qi(State Key Laboratory of Freshwater Ecology and Biotechnology,Institute of Hydrobiology,Chinese Academy of Sciences,Wuhan 430072,China;University of Chinese Academy of Sciences,Beijing 100049,China;Freshwater Aquaculture Collaborative Innovation Centre of Hubei Province,Wuhan 430070,China)
出处 《水生生物学报》 CAS CSCD 北大核心 2019年第1期86-93,共8页 Acta Hydrobiologica Sinica
基金 国家大宗淡水鱼产业技术体系(CARS-45-09)资助.
关键词 异育银鲫 运输 血浆生化指标 体色 肉质 Gibel carp Transportation Plasma biochemical indices Body color Fillet quality
作者简介 张玉平(1991—),女,白族,云南大理人;硕士研究生;主要从事鱼类生理生态学研究。E-mail:596144994@qq.com;通信作者:解绶启(1969—),男,研究员;E-mail:sqxie@ihb.ac.cn
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