Chemicals used for disease treatment
Apart from antibiotics only a handful of chemicals mostly traditional were seen available in the shops for treating fish disease. Farmers used these chemicals for treating a variety of fish diseases with different doses. No information leaflet was available on the dose and methods of application of such chemicals. No pharmaceuticals companies are dealing with their basic traditional chemical rather they are engage in producing new products. These types of chemical are shown in following Table 4. Where eco-solution is effective for viral diseases. Melethion, dipterex, malachite green, formalin, salt, methylin blue, etc. is useful for eradication of external parasite as well as fungal diseases. Lime is also uses for common fish disease. Spa is effective for both disease treatment and as growth promoter. Timsen is used for treatment of various diseases and as a disinfectant.