新开挖的鱼塘塘底无淤泥,水质瘦,水体泥水浑浊,浮游动植物繁殖量少,产氧能力差,易缺氧。有的水中含有较多的重金属盐或有毒物质,对鱼类刺激大,易发生鱼病,影响经济效益。因此,新挖鱼塘当年养鱼获高产,除按常规管理外,还应重点抓好以下几项技术措施:彻底清塘消毒、平整和夯实池 The newly excavated fish ponds at the bottom of no sludge, water quality is thin, water muddy muddy, less blooming zooplankton, oxygen production capacity is poor, easy to hypoxia. Some water contains more heavy metal salts or toxic substances, stimulate the fish, prone to fish diseases, affecting economic benefits. Therefore, the new fish ponds were high-yielding fish, in addition to conventional management, but also should focus on the following technical measures: thorough Qingtang disinfection, formation and compaction pool