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Position: Home > Articles > Effect of two hatching temperatures on the sex differentiation of the Chinese soft-shelled turtle,Pelodiscus sinensis Henan Fisheries 2018 (3) 22-24

两种孵化温度对中华鳖性别分化的影响

作  者：
刘倩;王璐明;刘亚军
关键词：
中华鳖;温度;性别分化
摘  要：
为分析不同孵化温度对中华鳖性别比例的影响,本实验设置两个温度(27、32℃)孵化同一批中华鳖受精卵。结果表明,当孵化温度为27℃时孵化率较低,约为91.25%,雌性个体多于雄性个体,雄性个体只占36.17%;孵化温度为32℃时,孵化率高,达95.3%,雄性个体比例明显提高,达到49.06%。结果表明,孵化温度可能影响中华鳖的性别比例,在一定温度范围内,孵化温度越高,雄性所占比例越大。
译  名：
Effect of two hatching temperatures on the sex differentiation of the Chinese soft-shelled turtle,Pelodiscus sinensis
作  者：
Liu Qian;Wang Luming;Liu Yajun;College of Fisheries,Henan Normal University;Luoyang Fishing Vessel Bureau and Aquatic Technology Promotion Department;
单  位：
Liu Qian%Wang Luming%Liu Yajun%College of Fisheries,Henan Normal University%Luoyang Fishing Vessel Bureau and Aquatic Technology Promotion Department
关键词：
Pelodiscus sinensis;;temperatures;;sex differentiation
摘  要：
In this study,we incubated eggs of Chinese soft-shelled turtle(Pelodiscus sinensis) in two different temperatures to illustrate the effect at the sex differentiation.The result showed that the Chinese soft-shelled turtle from 27°C had lower hatching rate( 56.25%)than those from 32°C(68%). Consistent with lower hatching rate, the Chinesesoft-shelled turtles from low incubation temperature had lower percentageof male(36.17%) than the otherhigher incubation temperatures(49.06%).Based on this experiment,we concluded that the sex ratio of the Chinesesoft-shelled turtle could be affected bycontrolling the hatching temperatureartificially. Ina range oftemperature,the higher hatching temperature, the larger percentage of male.

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