Typical prawn diseases - causes, prevention, and treatment

Abstract

Diseases of prawn in ponds are caused by microorganisn like viruses, bacteria fungi and protozoans as well as factors such as nutritional deficiency, poor pond conditions and environmental pollutants. Most of these may be controlled by environmental and dietary manipulation. Control of transfers or introduction of new prawn species may also reduce the risk of disease occurrence. Chemotherapy is considered only as alast resort in the control of diseases in prawn ponds. The basic features of prawn diseases with emphasis on causative agents and methods of preventio and treatment are discussed.