夏秋池塘养鱼常常遭遇暴雨危害,从而引起多种疾病。如不及时防治,就会造成重大损失。1.及时换水暴雨过后,对鱼、虾、蟹和贝类养殖的池塘应及时换水。通过几次换水逐渐将池水pH值和盐度调节到鱼、虾、蟹和贝类正常的生理需要范围。换水不能操之过急,第一次换水以排去表层水为好 Summer pond fish are often exposed to heavy rain hazards, causing a variety of diseases. If not timely prevention and control, it will cause heavy losses. 1. Timely change of water After the storm, fish, shrimp, crabs and shellfish ponds should be changed in time. The pH and salinity of the pool of water are gradually adjusted to the normal physiologic needs of fish, shrimp, crab and shellfishes by changing water several times. Change the water can not be too hasty, the first change of water to exclude surface water as well