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日本对虾具有个体大,生长快,食性杂,盐度广,耐干露等特点,是海水养殖虾类的优良品种。近几年我县双茬养殖日本对虾,取得了较好的经济效益。下面就日本对虾双茬养殖过程中主要的生产技术性问题提出一些看法,供参考。1 苗种选择 选择苗种要求个体均匀、健壮、活力强、无病害,第一触角的前端分叉V字形的两条小触须经常并拢,体节疏而长,肌肉较厚,放入玻璃杯中观察,有不规则的游动或弹跳,体表光
Japan shrimp with individual large, fast-growing, miscellaneous eating, salinity, dry exposure and so on, is an excellent breed of marine aquaculture shrimp. In recent years, our county double crop breeding shrimp, and achieved good economic returns. Here are some of the main production technical problems in the breeding of Japanese shrimp double stubble for reference. 1 seed selection Choose seed requirements individual uniform, strong, strong vitality, disease-free, the first tentacles of the front fork V-shaped two small tentacles often close together, the body section sparse and long, thick muscles, into the glass In the observation, there are irregular swimming or bounce, body surface light