Domestication and growth in fish
Abstract
Studying two successive phases of fish production cycle, larval rearing and growing phase, fish growthpatterns were analysed to perform a functional typology. For all developmental stages, high growth heterogeneities (intra and inter-specific) were observed. They were explained by the effects of intrinsic and external factors (biotic and abiotic). For the growing phase, this high phenotypic variability does not allow to sortout species according to their growing pattern. This effect is partly due to strong interactions of growth with other physiological functions (e.g. reproduction). Growing pattern does not seem to be discriminative.For larval rearing (larval, post-larval and juvenilestages), growth heterogeneity and cannibalism couldbe related to the living strategies of fish species.
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