Dongchangfu District, Liaocheng City, Shandong Province to guide aquaculture farmers to prevent fish diseases as early as possible

The promotion of fishery technology in Dongchangfu District, Liaocheng City, Shandong Province is a good example of fishery production practices. It is a good idea to start early and start the prevention and treatment of fish diseases in spring. In view of the current occurrence of hydromycosis, guide the majority of demonstration households to do a good job in the diagnosis and prevention of hydromycosis.

Saprolegniasis, also known as skin mildew or white feather disease, often infects the wounded tissues and dead eggs on the body surface, forming an off-white, cotton-like covering, and is one of the fungal diseases of aquatic fish. More outbreaks occur in the spring when the water temperature reaches 10 to 15°C. The disease has the characteristics of widespread epidemics, rapid onset, and high mortality. It is an epidemic disease that can be easily outbreaked in spring. Should be controlled from the following aspects:

One is to thoroughly clear the pond with quick lime 200PPm, and also use 20PPm bleach to clean the pond to reduce the occurrence of the disease. Second, when the net is transported and stocked, the operation should be meticulous, and the fish should not be injured. Third, pay attention to reasonable stocking. Density, and do a good job of drug immersion before stocking, fish before soaking into the pool with 3-5% salt water soak 5-8 minutes, after entering the pool Quanchiposa EM bacteria to prevent water blight; four if found fish The class has been infected with hydromycosis, can throw chlorine dioxide or povidone iodine in the whole pool, but pay attention to changes in the body and water quality of sick fish to prevent production accidents.