论文部分内容阅读
一、亲蟹培育取得优质足量的亲蟹是整个育苗生产的基础,应把亲星的培育作为首要工作抓早抓好,选购亲蟹要求四肢健全、活动力强、无损伤、个体大,雌星在120克以上,雄星在150克以上,雌雄比一般为1-2.5:1。放入提前清理消毒好的室外暂养他内进行强化培育,过量投喂高营养
First, the crab cultivation Crabs to obtain quality and sufficient quality is the basis of the entire nursery production, breeding should be the pro-star as a top priority grasp catch, buy crabs require limbs sound, strong activity, no damage, large individual Female stars over 120 grams, male over 150 grams, male and female ratio is generally 1-2.5: 1. Into the early cleaning and disinfection of the outdoor holding him to strengthen the cultivation, over-fed high nutrition