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软颗粒饲料对“红膏蟹”培育生长、存活和营养成分的影响
Authors
单秀娟
叶海辉
+6 more
张艺
李进寿
林培华
阮少江
陈爱平
黄伟卿
Publication date
20 September 2018
Publisher
'American Association of Avian Pathologists (AAAP)'
Doi
Cite
Abstract
将平均体质量(453.6±46.91)g、已交配的健康锯缘青蟹饲养在36cm×26cm×27cm塑料箱中,投喂由鲜杂鱼糜加淀粉、电解多维粉末和卡拉胶制得的软颗粒饲料,培育锯缘青蟹\"红膏蟹\"。试验结果表明,29~31d育成\"红膏蟹\";投喂软颗粒饲料的青蟹肌肉占比(59.89%~60.84%)显著低于投喂冰鲜杂鱼和贝类的青蟹(P<0.05),但培育成活率(96.9%~97.1%)、质量增加率(67.26%~69.47%)、特定增长率(1.39%/d~1.53%/d)、可食部分(65.67%~66.32%)和红膏占比(17.36%~17.68%)均显著高于投喂冰鲜杂鱼和贝类的青蟹(P<0.05);软颗粒饲料组\"红膏蟹\"肌肉中粗蛋白、脂肪和水分的含量分别为19.9%、0.8%和75.1%,生殖腺中粗蛋白、脂肪和水分含量分别为30.59%、14.50%和54.69%,肌肉和生殖腺中必需氨基酸的含量分别为5.59%和8.14%,呈味氨基酸的含量分别为6.50%和9.90%,氨基酸评分分别为71.7和100,肌肉和生殖腺中饱和脂肪酸总量分别为44.0%和49.2%,单不饱和脂肪酸总量分别为24.6%和29.2%,多不饱和脂肪酸总量分别为27.9%和15.7%;投喂软颗粒饲料提高了青蟹肌肉中粗蛋白的含量和青蟹的营养价值。福建省星火项目(2016S0055);;福建省公益性项目(2018R1037-1);;2017年宁德市现代渔业结构调整资金资助项目(宁财农指[017]65号);;宁德师范学院科研发展资金资助项目(2016FZ24
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Last time updated on 10/06/2020