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盱眙地区不同养殖模式下克氏原螯虾肌肉品质的比较分析

  • 万金娟 ,
  • 陈友明 ,
  • 邵俊杰 ,
  • 唐建清 ,
  • 沈美芳 ,
  • 孙梦玲 ,
  • 张美琴 ,
  • 孙敏
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  • 江苏省淡水水产研究所, 南京 210017
万金娟(1989-),女,安徽宣城人,助理研究员,硕士,研究方向为水产动物饲料与营养学。E-mail:wanjinjuan.a@163.com

收稿日期: 2019-08-13

  网络出版日期: 2020-02-21

基金资助

江苏省现代农业产业技术体系建设项目(克氏原螯虾产业技术体系);现代农业产业技术体系专项(CARS-48);江苏省重点研发计划(现代农业)"稻田综合种养系统中虾、鱼等高质量丰产生态健康养殖技术集成创新与示范"(BE2018355-1)

Comparative Analysis on Muscle Quality of Red Swamp Crayfish (Procambarus clarkia) Cultured under Different Aquaculture Modes in Xuyi Region

  • WAN Jinjuan ,
  • CHEN Youming ,
  • SHAO Junjie ,
  • TANG Jianqing ,
  • SHEN Meifang ,
  • SUN Mengling ,
  • ZHANG Meiqin ,
  • SUN Min
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  • Freshwater Fisheries Research Institute of Jiangsu Province, Nanjing 210017, China

Received date: 2019-08-13

  Online published: 2020-02-21

摘要

为探究盱眙地区不同养殖模式下克氏原螯虾的肌肉品质差异,随机选取江苏省盱眙县稻虾共作、池塘主养、蟹塘混养、莲田套养和野生(洪泽湖)5种养殖模式下的健康鲜活克氏原螯(体重在30 g左右)各50尾,对其含肉率、失水率以及肌肉质构特性、常规营养成分含量、氨基酸组成和含量等进行测定和分析。结果显示:5种养殖模式克氏原螯虾的体长、体重以及体重/体长均无显著差异(P>0.05)。池塘主养虾的含肉率显著高于蟹塘混养和莲田套养虾(P<0.05),蟹塘混养和莲田套养虾的失水率显著高于其他3种养殖模式虾(P<0.05)。稻虾共作和莲田套养虾肌肉的硬度显著高于其他3种养殖模式虾(P<0.05),野生虾肌肉的内聚力显著高于稻虾共作和池塘主养虾(P<0.05),稻虾共作、莲田套养和野生虾肌肉的咀嚼性显著高于池塘主养虾(P<0.05),各养殖模式虾肌肉的弹性和回复性无显著差异(P>0.05)。蟹塘混养和莲田套养虾的肌肉水分含量显著高于其他3种养殖模式虾(P<0.05),野生虾的肌肉粗脂肪含量显著低于池塘主养和蟹塘混养虾(P<0.05),5种养殖模式虾肌肉中粗蛋白质及粗灰分含量无显著差异(P>0.05)。5种养殖模式虾肌肉中均含有17种氨基酸,且各种氨基酸含量以及氨基酸总量、鲜味氨基酸总量、必需氨基酸总量等均无显著差异(P>0.05)。由此可见,在本试验条件下,5种养殖模式下克氏原螯虾的肌肉常规营养成分含量相差不大,但蟹塘混养和莲田套养模式下克氏原螯虾的肌肉持水力相对较差。

本文引用格式

万金娟 , 陈友明 , 邵俊杰 , 唐建清 , 沈美芳 , 孙梦玲 , 张美琴 , 孙敏 . 盱眙地区不同养殖模式下克氏原螯虾肌肉品质的比较分析[J]. 动物营养学报, 2020 , 32(2) : 965 -972 . DOI: 10.3969/j.issn.1006-267x.2020.02.053

Abstract

In order to compare the differences of muscle quality of red swamp crayfish (Procambarus clarkia, P. clarkii) cultured under different aquaculture modes, the P. clarkii cultured under the integrated rice-crayfish culture mode (Rice-c), pond culture mode (Pond-c), eco-pond of Chinese mitten crab culture mode (Crab-c), integrated lotus-crayfish culture mode (Lotus-c) and wild mode (collected from Hongze lake) (Wild-c) in the same area-Xuyi county in Jiangsu province were randomly selected, and the meat rate, water loss rate and texture properties, common nutritional component contents, amino acid composition and contents of muscle from healthy and alive P. clarkii (50 crayfish per mode) were analyzed and compared. The results showed that there were no significant differences in body length, body weight and body weight/body length among 5 aquaculture modes (P>0.05); however, the meat rate of crayfish cultured under Pond-c was significantly higher than that cultured under Crab-c and Lotus-c (P<0.05), the water loss rate of crayfish cultured under Crab-c and Lotus-c were significantly higher than those cultured under other 3 aquaculture modes (P<0.05). The muscle hardness of crayfish cultured under Rice-c and Lotus-c were significantly higher than those cultured under other 3 aquaculture modes (P<0.05), the muscle cohesiveness of crayfish cultured under Wild-c was significantly higher than those cultured under Rice-c and Pond-c (P<0.05), and the muscle chewiness of crayfish cultured under Rice-c, Lotus-c and Wild-c were significantly higher than those cultured under Pond-c (P<0.05); no significant differences in the springiness and resilience of muscle were observed among crayfish cultured under 5 aquaculture modes (P>0.05). Muscle moisture content of crayfish cultured under Crab-c and Lotus-c were significantly higher than those cultured under other 3 aquaculture modes (P<0.05), and muscle crude fat content crayfish cultured under Wild-c was significantly lower than that cultured under Pond-c and Crab-c (P<0.05); meanwhile, the differences of muscle crude protein and ash contents among crayfish cultured under 5 aquaculture modes were not significant (P>0.05). Additionally, seventeen amino acids were detected in muscle of crayfish cultured under 5 aquaculture modes, and the contents of each amino acid, total amino acid, flavor amino acid and essential amino acid among 5 aquaculture modes had no significant differences (P>0.05). In conclusion, the muscle from crayfish cultured under 5 aquaculture modes exhibits similar muscle common nutritional component contents, but the P. clarkii muscles from crayfish cultured under Crab-c and Lotus-c have relatively lower water-holding ability.

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