尼罗罗非鱼(Oreochromis Niloticus)幼稚喂养饮食的生长和生存率喂养辐照壳聚糖的不同水平
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抽象的
几丁质是一种天然生物聚合物,纤维素后的第二个最丰富。壳聚糖是一种溶于酸性含水介质的甲壳素的衍生物,用于许多应用,如食品,化妆品,生物医学和药物产品。它用于农业以提高作物的生长,而在水产养殖中,壳聚糖被认为改善鱼类对胁迫诱导剂的免疫应答,从而提高生存和可能的生长。进行了初步研究,以研究各种浓度辐照壳聚糖对尼洛塔氏菌核苷酸生长性能的影响。用对照饮食和三种配方的饮食喂养,含有辐照的壳聚糖水平增加(10g,20g和50g kg-1)。少年O. niloticus每天喂食21天。该比例基于5%的鱼生物质。在四个实验组中随机分布均匀尺寸的罗非鱼指纹(N = 30 = 30 = 30 = 30次),每组各自在完全随机设计后进行三个重复。测量生长和食品利用参数。使用Ancova计算和分析了特异性生长速率(SGR),平均重量增益(MWG),平均长度增量(MLI)和饲料转化率(FCR)。 Results from the feeding trials showed no significant difference (P>0.05) in the different performance parameters under the different fish feed treatments. MWG, MLG, SGR and FCR varied in the stocks fed different fish feed treatments but with no significant differences. The results also showed 45-62% survival ratio. These suggest that although there is no significant difference between treatments and control, irradiated chitosan-supplemented diets do not retard the growth of O. niloticus. Chitosan should be studied further to determine how it can improve the growth performance, feed utilization and immune response of Nile tilapia.
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建议引用
Gonzales,K.,Corpuz,M. N.,&Romana-Emuia,M. R. R.(2015)。尼罗罗非鱼(Oreochromis Niloticus)幼稚的生长和存活喂养饮食,含有不同水平的辐照壳聚糖。In M. R. R. Romana-Eguia, F. D. Parado-Estepa, N. D. Salayo, & M. J. H. Lebata-Ramos (Eds.), Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia: Challenges in Responsible Production of Aquatic Species: Proceedings of the International Workshop on Resource Enhancement and Sustainable Aquaculture Practices in Southeast Asia 2014 (RESA) (p. 341). Tigbauan, Iloilo, Philippines: Aquaculture Department, Southeast Asian Fisheries Development Center.