Reasons: 

1. Poisoning: ammonia nitrogen, subsalt, sulfide, etc., yellowing, blackening or whitening

2. Bacterial infection: redness, swelling, post atrophy

3. Metabolic problems or stress in high-protein diets: heavy load on the liver and pancreas, redness and swelling

Process:

1. Dark brown: normal, white fatty membrane and clear outline of hepatopancreas

2. Light red or dark red: enlarged hepatopancreas, little change in eating

3. Red turns to white: In the mid-term, eating becomes slower

4. Completely white: in the later stage, do not eat and steal to death

Medication:

1. Poisoning: Aqua Culture cooperates with a class of VC to resist stress and promote detoxification. Sprinkle Bacillus or Super EM in the whole pool to reduce the index of ammonia nitrogen and sulfite

2. Bacterial infection: disinfection, antibacterial drug treatment, staggered use of Aqua Combo in feed for adjuvant treatment

3. Metabolic problems or stress: Daily use of Aqua Combo mixes with Yiqikang, polysaccharides, multivitamins, bile acids, etc. to protect the liver and increase immunity and anti-stress

Nodes:

1. Seedling stage - Oral administration of lactobacillus, Clostridium butyricum, etc.

2. Liver conversion stage - Aqua Combo, bile acids, etc.

3. Follow-up regular health care once every 5-7 days, each time for 3 days