The effect of initial larval stocking density on growth and survival in common barbel Barbus barbus (L.)
作者： D. Żarski , K. Kupren , K. Targońska , S. Krejszeff , G. Furgała-Selezniow
DOI: 10.1111/J.1439-0426.2011.01769.X
关键词:
摘要: Summary Aim of the study was to determine effect initial larval density on growth and survival common barbel Barbus barbus (L.) under controlled conditions. The experiment examined fish from 20 200 ind. L−1 during intensive rearing at 25°C. Rearing lasted 21 days whereby average total length, weight were recorded. During entire period fed live nauplii Artemia sp. data provided basis for calculating specific rate (SGR), Fulton’s condition index (K), analysis relationship between biomass stocking density. documentation also used level ontogeny. obtained indicated that has no (over 98% in each treatment), ontogeny, or indexes. Fish achieved juvenile stage second week ( 0.05). findings this suggest larvae is not a factor limiting ontogenetic development rearing. This creates considerable potential improvement material production conditions should have positive economic effectiveness production.
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