Bacterial Fish Diseases and Treatment

Abstract

AbstractFish food is an inevitable item in human consumption with healthy source of good quality proteins and fat. Aqua industry can help to improve food security, livelihoods for the poorest and to meet the world’s food demands. But producing more seafood that is at affordable cost with rich nutrition is challenging for aqua industry. Many factors affect the productivity of aqua industry; one such an important constraint is bacterial diseases. Hence, Aqua industry, a booming business sector, immensely requires continued research with scientific and technical developments, and innovations. Study of bacterial fish disease is one such thrust area which requires intense research to understand the causes and control bacterial diseases in fish. The appearance and development of a fish disease is the result of the interaction among pathogen, host and environment. An insight into bacterial fish diseases, clinical symptoms and treatment may help to manage the bacterial diseases and so can make aqua industry a more profitable field. This chapter deals with different aspects of the most threatening bacterial diseases, occurring in farmed fishes and also in wild fishes, which are results in fish loss and economic loss worldwide. A wide range of gram positive and gram-negative bacteria causing bacterial diseases, clinical symptoms, diagnosis, treatment, vaccines and the nature of water habitat are also discussed in this chapter.KeywordsBacterial fish diseasesGram-positive bacteriaGram-negative bacteriaClinical signsDiagnosisTreatments