OPTIMUM WATER TEMPERATURE FOR THE GROWTH OF JUVENILE COMMON CHINESE CUTTLEFISH, SEPIELLA MAINDRONI (DE ROCHEBRUNE 1884)

文献类型: 外文期刊

第一作者: Peng, Shiming

作者: Peng, Shiming;Yin, Fei;Shi, Zhaohong;Sun, Peng;Wang, Jiangang;Liu, Zhenyong

作者机构:

关键词: trypsin: 9002-07-7;EC 3.4.21.4;amylase: 9000-92-4;pepsin: 9001-75-6;EC 3.4.23.1;lipase: 9001-62-1;EC 3.1.1.3China: Asia;Palearctic region;water temperature;enzyme activity;feeding rate;food conversion;instantaneous growth rate;mantle length increase

期刊名称:JOURNAL OF SHELLFISH RESEARCH ( 影响因子:1.396; 五年影响因子:1.47 )

ISSN:

年卷期:

页码:

收录情况: SCI

摘要: The current study was carried out to investigate the influence of water temperature on growth and activity of the digestive enzymes pepsin, trypsin, lipase, and amylase in common Chinese cuttlefish (Sepiella maindroni de Rochebrune). Triplicate groups of S. maindroni (weight +/- SD, 4.08 +/- 0.26 g; mantle length, 31.37 +/- 1.04 mm) were reared at different water temperatures (16 degrees C, 20 degrees C, 24 degrees C, 28 degrees C, and 32 degrees C). S. maindroni instantaneous growth rate (IGR), feeding rate (FR), food conversion (FC), and mantle length increase (ML) were significantly affected by water temperatures. Regression relationships between water temperature and IGR = -0.026T(2) + 1.359T - 12.63 (n = 15, R-2 = 0.995); FR = -0.064T(2) + 3.465T - 25.69 (n = 15, R-2 = 0.971), FC = -0.069T(2) + 3.55T - 25.01 (n = 15, R-2 = 0.983); and ML = -0.238T(2) + 12.27T - 123.9 (n = 15, R-2 = 0.992). The optimum temperatures for IGR, FR, FC, and ML were 26.13 degrees C, 27.07 degrees C, 25.72 degrees C, and 25.78 degrees C, respectively. Survival was greatest at 24 degrees C and 28 degrees C (>95%), and was significantly higher than other temperatures. Digestive enzyme activities were highest at 24 degrees C or 28 degrees C, and were significantly higher than at 16 degrees C. In conclusion, the optimum temperature for growth of S. maindroni is 25-27 degrees C based on IGR, FR, FC, and digestive enzyme activities at different temperatures.

分类号: S9

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