茜素络合物对鳙耳石的标志效果研究
Jiangxi Fishery Sciences and Technology(2018)
Abstract
利用不同浓度梯度(50~150mg/L)的茜素络合物( ALC)水溶液对20日龄的鳙幼鱼浸泡8h进行标志.结果显示,ALC溶液浓度不高于100mg/L时,鳙幼鱼存活率为100%,150mg/L浓度下幼鱼全部死亡.茜素络合物在其耳石上能形成标记环带,随着ALC溶液浓度的增加,在可见光下标记色越来越明显,50mg/L ALC溶液中幼鱼耳石略见淡红色标记,75mg/L浓度组有清晰的淡红色标记环,100mg/L ALC溶液中幼鱼标记环带明显,鳙幼鱼最适的ALC标记浓度为100mg/L.
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