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当前位置: 首页 > 文章 > 大泷六线鱼仔稚幼鱼形态发育与生长特性 渔业科学进展 2012,33 (6) 16-22
Position: Home > Articles > Morphological development and growth of larval and juvenile Hexagrammos otakii Progress in Fishery Sciences 2012,33 (6) 16-22

大泷六线鱼仔稚幼鱼形态发育与生长特性

作  者：
胡发文;郭文;潘雷;高凤祥;菅玉霞;张少春;王雪
单  位：
山东省海水养殖研究所
关键词：
大泷六线鱼;仔、稚、幼鱼;形态发育;生长
摘  要：
2009～2011年开展了大泷六线鱼规模化人工繁育技术的研究。通过显微观察、测量、拍摄记录大泷六线鱼仔、稚、幼鱼形态发育变化,并对其生长特性、摄食习性等进行了分析。大泷六线鱼初孵仔鱼全长6.18±0.50mm(n=60)。在水温16.0±0.5℃、盐度31、光照500～1000lx条件下,大泷六线鱼仔、稚、幼鱼生长呈现先慢后快再慢3个阶段:0～7d生长较为缓慢,3日龄仔鱼卵黄囊尚存,少部分仔鱼开始摄食轮虫;6日龄仔鱼卵黄囊消耗殆尽,开始摄食卤虫无节幼体,进入外源性营养阶段,7d后进入快速生长期;48日龄仔鱼开始进行配合饲料转化,生长速度趋缓,并逐渐稳定。依照TL=aD3+bD2+cD+d的方程式对前80日龄大泷六线鱼的全长与日龄进行回归,构建生长模型:TL(0～80)=-0.0002D3+0.0281D2-0.1557D+7.376(R2=0.9939),并根据其生长规律分别构建了0～7d、7～48d和48～80d的生长模型:TL(0～7)=0.0046D3-0.0572D2+0.3831D+6.1751(R2=0.9971),TL(7～48)=0.0005D3-0.0267D2+0.931D+2.269(R2=0.9973),TL(48～80)=-0.0001D3+0.0187D2-0.2045D+24.646(R2=0.9998)。
译  名：
Morphological development and growth of larval and juvenile Hexagrammos otakii
作  者：
HU Fa-wen GUO Wen* PAN Lei GAO Feng-xiang JIAN Yu-xia ZHANG Shao-chun WANG Xue (Mariculture Institute of Shandong Province, Qingdao 266002)
关键词：
Hexagrammos otakii Larval and juvenile fish Morphological development Growth
摘  要：
The post embryonic morphological development of Hexagrammos otakii was observed, measured and recorded by a micro cinematographic system to explore the morphological development characteristics in different stages of larval and juvenile fish. Newly hatched larvae, 6.18±050 mm long and depending entirely on the egg-contained energy, were nursed at 16.0±0.5℃, salinity 31, illumination 500~1 000 lx. At 3 dph (days post hatching), 7.55±0.27mm in length, with the rudimental yolk sac at abdomen, some larvae started feeding rotifers, and the development entered the exogenous feeding stage. After yolk was exhausted at 6 dph, the larvae started feeding Arternia nauplii. At 48 dph, the larvae started feeding compound feeds. The relationship between total length (TL) and days post hatching (D) for 0~7d,7~48d,and 48~80d fish was described as: TL(0~80) = -0.000 2D3 + 0.028 1D2 -0.155 7D + 7.376(R2 = 0.993 9); TL(0~7)= 0.004 6D3 -0.057 2D2 + 0.383 1D + 6.175 1(R2 = 0.997 1); TL(7~48)= 0.000 5D3-0.026 7D2 + 0.931D + 2.269(R2 = 0.997 3); TL(48~80)= -0.0001D3 + 0.018 7D2-0.204 5D +24.646(R2 = 0.999 8).

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