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1 奈虾的饲养与促熟1.1 亲虾的饲养 亲虾应尽量选个体较大,体表光滑,健康已交配个体。雌雄比例1:1-3。蓄养密度5-10尾/11’。饵料以新鲜的沙蚕、贝肉为主,需冲洗干净后投喂。日投喂量(鲜重)为亲虾体重的二%-3%,随温度的升高逐渐增加。亲虾一般夜间摄食,下午投喂,早晨清污。日换水 30%-!00%,随温度升高而逐渐加大换水量。
1 Nai shrimp feeding and priming 1.1 broodstock breeding broodstock should try to choose individual larger, smooth surface, healthy individuals have been mated. Male and female ratio 1: 1-3. Storage density of 5-10 tail / 11 ’. Feed to fresh Nereis, shellfish-based, to be rinsed and fed. The daily feed (fresh weight) is two to three percent of the body weight of the broodstock, increasing with increasing temperature. Shrimp feeding generally at night, feeding the afternoon, morning decontamination. Daily water change 30% -! 00%, with increasing temperature and gradually increase the water change.