Great God came in to help me see

　　Fish farming is also a veteran, and I have seen a lot of various fish diseases, but this time I am a bit blind. I havent seen it. There are signs of rotting on the map, and the pectoral fins are rotten.It didnt care about the color of white. I saw a sudden death early today, and then carefully looked at the two born!What is going on here?How to treat?The great gods come in and give an idea!Thank youYizheng City, Yangzhou City, Jiangsu Province========How did the fish friends of the Xianglong Aquatic Alliance comment==

　　In fact, its just raising a fish. Yuyou said: Guess: After the fight, because the water quality is not good, the wound is difficult to heal and the body ulcers.asinagrilAdvantages and disadvantages of feeding pigs with fermented feed%Pig feed fermentation technology formula%Feed fermentation bag 2019 new:Bio-fermented feed scam@Which fermented feed bag is better~Microbial feed fermentation bagBoen 4WD Fermented Feed?Advantages and disadvantages of feeding chicken with fermented feed$Fermented feed technology,50kg feed fermentation bag" Hwacheon County Fish，Great God came in to help me see？