“因为使用了浓缩卵囊藻,全程健康养殖,不用投放任何药品,这次养殖的120亩冬棚虾效果非常好。从投苗到收获,虾苗成活率达9成,养殖62天收获的成虾规格约50头/斤,每亩产量达2300斤,饵料系数平均为0.85,纯利润达到600万元。”3月23日中午,广东湛江市腾飞实业有限公司东海岛养殖基地,又迎来了一批前来参观考察的养殖户,该公司 “Because of the use of concentrated oocyst, full healthy farming, do not put any drugs, the breeding of 120 acres of winter shang shu effect is very good.From casting seedlings to harvest, survival rate of shrimp reached 90%, breeding 62 days of harvest Of shrimp specifications about 50 / kg, yield of 2300 kg per mu, the average of 0.85 food coefficient, net profit reached 6 million yuan. ”March 23 at noon, Guangdong Zhanjiang City Industrial Co., Ltd. take off East Island breeding base, Also usher in a group of farmers came to visit, the company