4.加强饲养管理 湖泊围拦养蟹可采取“前期适投、中期不投、后期多投”的投饲方法。放养前期的3月～4月份,因蟹体较小,摄食能力弱,需加强人工投饲,并以动物性饲料为主,以弥补河蟹自然摄食的不足。每日上午八九时和下午五六时各投喂小鱼、螺蚌肉、猪血、畜禽内脏等1次,上午投喂日饲量的30％、下午投 4. Strengthen the feeding and management Lake enclosing crabs can take “pre-vote for the vote, the medium-term investment, the latter part of more investment” method of feeding. Stocking early March ~ April, due to smaller crabs, feeding capacity is weak, need to strengthen artificial feeding, and mainly to animal feed to make up for the lack of natural crabs feeding. At 8:30 am and 6:56 pm, each feeding small fish, snail mussel, pig’s blood, internal organs and other livestock and poultry 1, feeding the morning on the 30% of the amount of feed, the afternoon vote