| Integration of oral and external administration. Externally, bleaching powder is sprayed into the pond to make the pond water at a concentration of, 1 ppm or quicklime in a dose of 15--25 kg/1mu/1 meter water depth should be scattered over the pond. Medicines that can be mixed with food are the following: 1. Sulphaguanidine (SG): first day, 1g per 10 kg fish. Reduced dose by half for the next five days.
2. When enteritis and gill rot diseases come out at the same time, spray with Chinese gall (Galla Chinesis, a traditional chinese medicine) over the pond, making the pond water at a concentration of 2--3 ppm. For feeds, the fish should be administered with furazolidone for six days with a dose of 1g/100kg fish, or double the dosage for serious cases in the first treatment.
3. Treatment with garlic: 1--2kg of garlic per 100kg of fish once a day for six consecutive days.
4.Treatment with Euphorbia humifusa: 500g dry herb or 2500g fresh herb for 100kg of fish once a day for 3 consecutive days.
5. Treatment with Acalypha australis: 500g dry herb or 2000g fresh herb per 100kg of fish once a day for 3 consecutive days.
6. Treatment with water Polygonum hydropiper: 500g dry herb or 2000g fresh herb for 100kg of fish once a day for 3 consecutive days. It is also effective to use two or three kinds of the herbs in (4), (5), (6), making a compound one.
7. Treatment with creat Andrographis paniculata: 2kg dry herb or 3kg fresh herb for 100kg of fish daily for 5--7 consecutive days.
8. Fortifying the resistance against disease by inoculating vaccine before stocking fingerlings. |