Forecast and Forecast of Aquatic Diseases in September 2010 in Fujian Province

1. Be alert to the disease bacterial ulcers, vibriosis and Benedenia of the large yellow croaker. The main area of ​​concern is the densely populated areas of coastal cages.

Second, preventive measures to prevent the incidence of large yellow croaker, should pay attention to feeding artificial compound feed, reduce the use of chilled fish, fresh fish bait; regular addition of garlic in the feed to enhance the disease resistance of fish; feeding multidimensional and cod liver oil and other nutrition Timely network change and disinfection with potassium permanganate (usually 5 days to 10 days for a network, timely removal of Benedict eggs attached to the nets, thereby reducing the density of larvae in the water); timely removal of dead fish, and do Harmless treatment. In addition, timely hanging of the national standard fishery medicine crystal trichlorfon in the cage can prevent Bennetiasis from occurring.