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菅玉霞,高凤祥,雒敏义,李莉,王雪,王晓龙,郭文,胡发文.大泷六线鱼大规格苗种网箱培育试验[J].广西科学院学报,2021,37(1):60-66. [点击复制]
- JIAN Yuxia,GAO Fengxiang,LUO Minyi,LI Li,WANG Xue,WANG Xiaolong,GUO Wen,HU Fawen.Experiment on Cage Cultivation of Large-size Seedling of Hexagrammos otakii[J].Journal of Guangxi Academy of Sciences,2021,37(1):60-66. [点击复制]
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| 大泷六线鱼大规格苗种网箱培育试验 |
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菅玉霞1,2, 高凤祥1,2, 雒敏义3, 李莉1,4, 王雪1,4, 王晓龙1, 郭文1, 胡发文1,2
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| (1.山东省海洋生物研究院, 山东青岛 266104;2.山东省海水健康养殖工程技术研究中心, 山东青岛 266104;3.青岛市即墨区自然资源局, 山东青岛 266011;4.青岛市浅海底栖渔业增殖重点实验室, 山东青岛 266104) |
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| 摘要: |
| 为探讨大泷六线鱼（Hexagrammos otakii）大规格苗种网箱培育效果，本研究以海上近岸小型网箱为平台，在水温14.2-21.4℃的条件下，以5月龄大泷六线鱼幼鱼为试验对象进行56 d的培育试验。结果显示：平均全长（6.88±0.23） cm、平均体质量（3.45±0.12） g的大泷六线鱼幼鱼，经56 d网箱培育后平均全长增长到（12.21±0.68） cm，平均体质量增长到（14.68±0.97） g；全长日增长量为（0.10±0.02） cm，体质量日增重量为（0.20±0.05） g。大泷六线鱼幼鱼全长与日龄呈线性关系L=0.6285t+5.8397 （R2=0.954），体质量与日龄呈指数关系Wgc=3.0193e0.1752t（R2=0.996），平均体质量瞬时增长率为0.026%。体质量与全长的回归曲线为Wwl=0.0322L2.4855（R2=0.974 4），幂指数<3，表明此阶段的大泷六线鱼生长为负异速生长。大泷六线鱼大规格苗种网箱培育具有生长速度快、苗种成活率高、饲料效率高、易于管理等优点，可作为大泷六线鱼苗种培育的一种优良模式进行推广。 |
| 关键词: 大泷六线鱼 大规格苗种 网箱 培育 存活 生长曲线 |
| DOI：10.13657/j.cnki.gxkxyxb.20210115.007 |
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| 基金项目:山东省重点研发计划项目“大泷六线鱼大规格苗种网箱健康培育技术研究与示范”（2019GHY112062）资助。 |
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| Experiment on Cage Cultivation of Large-size Seedling of Hexagrammos otakii |
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JIAN Yuxia1,2, GAO Fengxiang1,2, LUO Minyi3, LI Li1,4, WANG Xue1,4, WANG Xiaolong1, GUO Wen1, HU Fawen1,2
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| (1.Marine Biology Institute of Shandong Province, Qingdao, Shandong, 266104, China;2.Healthy Mariculture Engineering Research Center of Shandong Province, Qingdao, Shandong, 266104, China;3.Natural Resources Bureau of Jimo District, Qingdao, Shandong, 266011, China;4.Key Laboratory of Benthic Fisheries Aquaculture and Enhancement, Qingdao, Shandong, 266104, China) |
| Abstract: |
| In order to explore the effect of large-size seedling cage cultivation of Hexagrammos otakii, a small offshore cage was used as a platform, 5-month-old juvenile H. otakii was taken as test subjects for 56 d of cultivation experiment at the water temperature of 14.2-21.4℃.The results showed that after 56 d of cultivation the average length and average body weight increased from (6.88±0.23) cm and (3.45±0.12) g to (12.21±0.68) cm and (14.68±0.97) g, respectively.The daily increase in total length was (0.10±0.02) cm, and the average daily weight gain was (0.20±0.05) g.The linear relationship between the total length and the month age of juvenile H.otakii was L=0.6285t+5.8397 (R2=0.954), and the exponential relationship between body weight and month age was Wgc=3.0193e0.1752t (R2=0.996).The average instantaneous growth rate of body weight was 0.026%. The regression curve of body weight and total length was Wwl=0.0322L2.4855 (R2=0.974 4), and the power index was less than 3, indicating that the growth of this stage was negative allometric growth.The results showed that the cage culture of large-size H. otakii seedlings has the advantages of fast growth, high seedling survival rate, high feed efficiency and easy management.It can be promoted as an excellent model for the cultivation of H. otakii seedling. |
| Key words: Hexagrammos otakii large-size seedling cage cultivation survive growth curve |
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