How to treat tofu liver of grass carp?

Grass carp died, after dissection, found that the liver looks like bean dregs, attached to the intestinal tract, what is the reason? How to prevent and cure? Thank you. -- A kind of hepatobiliary disease. There's nothing to fuss about. Could you tell me how to prevent it? Could you be more detailed? -- Duowei, VC and other liver protective drugs,-- can it all be treated? Start with regular drugs. But it also depends on the nature of your fish. -- also, what thing gets sick is one word "death" and two words "waiting to die"-- , that is Stop wasting money on vc-only those who are not seriously ill can be saved! -- try your best. Sometimes the farmers are very confused. The fish get this kind of disease. You say treatment or no treatment-- quote from the content published by flyfish01 at 11:10 in 2009-8-23, try your best. Sometimes farmers are also very confused. When fish get such a disease, you say treatment or no treatment, ah, treatment is mostly ineffective, treatment or no treatment, which depends on whether you can afford the cost. -- reduce the amount of feed.-- is it the same with crucian carp flower liver?