| 沙塘鳢苗种适宜生长水温的观察 |
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| 引用本文： | 史阳白,李潇轩,王新荣,王春红.沙塘鳢苗种适宜生长水温的观察[J].水产养殖,2011,32(7):44-45. |
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| 作者姓名： | 史阳白 李潇轩 王新荣 王春红 |
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| 作者单位： | 1. 江苏省淡水水产研究所,江苏南京,210017
2. 溧阳市金泉特种繁育场,江苏溧阳,213333 |
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| 摘 要： | 为探讨沙塘鳢苗种适宜生长水温,试验分别在20、23、26、29和32℃的水温下进行。试验水族箱体积为50cm×40cm×30cm,饲养30d,同一水温的每个试验组设3个重复。结果显示：在20～29℃,鱼体的增重率和增长率随着水温的增高而增长,32℃时增重率和增长率有所下降。沙塘鳢生长的适温范围为23～32℃,最适水温为（29±1）℃。
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| 关 键 词： | 沙塘鳢 水温 生长 |
Observation on the adaptable water temperature for the growth of juvenile Odontobutis obscura |
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| Shi Yangbai,Li Xiaoxuan,Wang Xingrong,Wang Chunhong.Observation on the adaptable water temperature for the growth of juvenile Odontobutis obscura[J].Journal of Aquaculture,2011,32(7):44-45. |
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| Authors: | Shi Yangbai Li Xiaoxuan Wang Xingrong Wang Chunhong |
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| Institution: | 1.Freshwater Aquaculture Research Institute of Jiangsu Province,Nanjing,210017 China;2.The Jing quan Special Breeding Farm of the City of Li yang,Li yang 213333 China) |
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| Abstract: | On the observation of the adaptable water temperature for the juvenile Odontobutis obscura,the juvenile Odontobutis obscura was cultured at 20℃,23℃,26℃,29℃ and 32℃ in aquaria（50 cm×50 cm×50 cm） for 30 days,each treatment with three replicates.The results shows that：the absolute growth rate（AGR） and relative growth rate（RGR） are increased with the rise of temperature from 20℃to 29℃,and it declined a little at the temperature of 32℃.The adaptable water temperature for the growth of juvenile Odontobutis obscura ranged from 23℃ to 32℃,with the optimal water temperature of（29 ±1）℃. |
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| Keywords: | Odontobutis obscura the water temperature growth |
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