Improved survival and growth performances with stocking density manipulation and shelter availability in bagrid catfishMystus nemurus(Cuvier & Valenciennes 1840) larvae
作者： Sharifah Rahmah , Keitaro Kato , Shinji Yamamoto , Kenji Takii , Osamu Murata
DOI: 10.1111/ARE.12148
关键词: Stocking 、 Larva 、 Mystus nemurus 、 Hatching 、 Catfish 、 Feed conversion ratio 、 Animal science 、 Improved survival 、 Biology 、 Fishery 、 Cannibalism 、 Aquatic science
摘要: Manipulation of stocking densities (10, 20, 30, 40 and 50 larvae L−1), each with or without the presence shelter was conducted to determine effects on survival, cannibalism growth performances larval bagrid catfish Mystus nemurus (Valenciennes 1840) from 2 14 days after hatching. This study revealed that density significantly affected cannibalism, total length, feed intake, specific rate final weight larvae. Significantly higher survival observed at moderate more than 20 but less L−1. Survival low beyond this threshold lowest 10 L−1, coincides highest cannibalism. Total were Shelter improved length intake. No significant apparent conversion ratio coefficient variation. There also no interaction between in all parameters. suggests could be cultured L−1 availability for optimal larviculture condition.
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