Criteria for assessing juvenile quality of the lined seahorse, Hippocampus erectus
文献类型: 外文期刊
第一作者: Zhang, Dong
作者: Zhang, Dong;Yin, Fei;Zhang, Dong;Lin, Junda
作者机构:
关键词: Hippocampus erectus;Juvenile quality;Survival;Seahorse
期刊名称:AQUACULTURE ( 影响因子:4.242; 五年影响因子:4.723 )
ISSN: 0044-8486
年卷期: 2011 年 322 卷
页码:
收录情况: SCI
摘要: Juvenile quality has been demonstrated to be the key for commercial fish production. Variations in juvenile quality leading to varying growth and mortality are often encountered and well documented in many marine fish species. It is valuable to discover simple and reliable indicators for assessing juvenile quality in fish aquaculture. In this study, we established criteria for evaluating the juvenile quality of the lined seahorse, Hippocampus erectus, a Chinese traditional medicine and popular aquarium species. We raised 18 batches for 45 days from birth to determine the potential criteria for assessing the juvenile quality of the line seahorse. There was a strong and significant correlation between survival through the fifth day and that on the day 45. By comparing the ratio of trunk width at 1/2 trunk length to trunk length (TW/TL) of dead and live juveniles during the first 5 days, we found that TW/TL is a reliable indicator of the juvenile quality, with the distinct threshold of 0.190. (C) 2011 Elsevier B.V. All rights reserved.
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