Effect of size grading on the growth performance of shortfin eel (Anguilla australis) during its yellow stage
作者： JA Hirt-Chabbert , A Sabetian , OA Young
DOI: 10.1080/00288330.2014.924538
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摘要: It is generally believed that size grading in a fish farm improves the total biomass output, because it will minimise stress imposed by larger individuals over small individuals, resulting higher feed intake and growth rate. The objective of this study was to evaluate effect on individual performance yellow New Zealand shortfin eel (Anguilla australis). A 109 day trial conducted recirculation aquaculture system (RAS) with 103 eels similar initial weight (101 ± 12 g). All were individually marked PIT (passive integrated transponder) tags. On 42, graded establish following groups: only (S-graded ≤ 135 g), large (L-graded > together (S-ungraded L-ungraded). showed better specific rate (SGR), (FI) conversion ratio (FCR) than eels. Nevertheless, no significant differences found either between L-graded L-ungraded or ...
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