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SPAWNING INDUCTION BY CHANGE OF ENVIRONMENT FOR TAKIFUGU

机译：塔基福古岛因环境变化而引起的诱吐

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PURPOSE: A sexual maturation induction method of Takifugu obscurus is provided to produce seeds through an induction of an early spawning of Takifugu obscurus by controlling the environments of period of illumination, water temperature, and salt concentration of a culturing water bath for 40 days since a natural seawater temperature descends below 13 degree Celsius and to improve a hatching rate by a complex combination of environments. CONSTITUTION: A sexual maturation induction method of Takifugu obscurus using an environmental control comprises a) a step of securing mother Takifugu obscurus produced by a seawater farming; b) a step of breeding by supplying feedstuffs after accepting the secured Takifugu obscurus in a culturing water bath; c) a step of performing the control of environments of period of illumination, water temperature, and salt concentration of a culturing water bath after 10 days since a natural seawater temperature descends below 13C for a certain period; d) a step of artificial fertilization by inducing a spawning of Takifugu obscurus which is controlled environmentally for a certain period; and e) a step of incubation after removing the colloid of fertilized eggs by washing artificially fertilized eggs with acidic white clay. [Reference numerals] (AA) Seawater broodstork securement; (BB,DD) Feed supply and raising; (CC) Water temperature of natural seawater is dropped below 13C; (EE) Freshwater broodstork securement; (FF,II) Environment control of period of illumination, water temperature, and salt concentration; (GG) Spawning induction and artificial fertilization; (HH) Acclimatization in seawater for 20-40 days; (JJ) Incubation in an incubator after transportation; (KK) Fertilized egg washing and colloid removal
机译：目的：通过控制光照时间，水温和培养水浴中盐浓度的环境，提供了暗藏T种的有性成熟诱导方法，以通过诱导暗藏aki种的早期产卵来产生种子，该环境持续了40天。天然海水温度下降到13摄氏度以下，并通过复杂的环境组合提高孵化率。组成：使用环境控制的暗色T鱼的性成熟诱导方法包括：a）固定海水养殖产生的暗色T鱼的母亲; b）在养殖水浴中接受固定的暗藏T鱼后，通过提供饲料进行繁殖的步骤; c）由于天然海水温度在一定时间内下降到13℃以下10天后，控制培养水浴的光照时间，水温和盐浓度的环境的步骤; d）通过诱使暗藏的T草（Takifugu obscurus）的产卵进行人工施肥的步骤，该产卵在一定时期内受到环境的控制; e）通过用酸性白土洗涤人工受精卵，除去受精卵的胶体后的温育步骤。 [附图标记]（AA）海水亲鱼固定装置; （BB，DD）饲料供应和饲养; （CC）天然海水的水温降至13C以下; （EE）淡水亲鱼的保护; （FF，II）照明周期，水温和盐浓度的环境控制; （GG）产卵诱导和人工受精; （HH）在海水中适应20-40天; （JJ）运输后在培养箱中孵化; （KK）受精卵洗净和胶体去除

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