TITLE

Effects of temperature on the embryonic development and larval growth of Sepia lycidas

AUTHOR(S)
JIANG Xia-min; PENG Rui-bing; LUO Jiang; TANG Feng
PUB. DATE
May 2013
SOURCE
Yingyong Shengtai Xuebao;May2013, Vol. 24 Issue 5, p1453
SOURCE TYPE
Academic Journal
DOC. TYPE
Article
ABSTRACT
A single-factor experiment was conducted to study the effects of different temperature (15, 18, 21, 24, 27, 30, and 33 °C) on the embryonic development and larval growth of Sepia lycidas, aimed to search for the optimum temperature for the development and growth of S. lycidas. The results showed that temperature had significant effects on the embryonic development and larval growth of S. lycidas (P<0. 05). The suitable temperature for hatching ranged from 21 °to 30 °, and the optimum temperature was 24 °. At the optimum temperature, the hatching rate was (93.3±2. 9) %, incubation period was (24. 33±0. 58) d, hatching period was (6. 00±1. 00) d, completely absorked rate of yolk sac was (96. 4±3. 1) %, and newly hatched larvae mass was (0. 258±0. 007) g. The effective accumulated temperature model was N = 284. 42/ (T-12. 57). The suitable temperature for the larval survival and growth ranged from 21 °to 30 °, and the optimum temperature was from 24 °to 27 °. At the optimum temperature, the survival rate ranged from 70. 0% to 73. 3%, and the specific growth rate was from 2. 4% to 3. 8%.
ACCESSION #
91994016

 

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