Bibliographic Research about atypical mycobacteriosis in Ornamental fish

Introduction:Fish-diseases The recognition of diseases affecting ornamental fish is very delicate and important. The breeder must be careful in diagnosing the pathogens responsible for outbreaks of disease. Often, the high mortality rate of fish is due to a different causes and often attributable to bad management inputs of livestock (Untergasser, 1989). The factors that affect the health of fish are mainly environmental (physicochemical parameters) or biological agents such as parasitic and infectious diseases. Among the components of abiotic factors (in farming) that may cause actual disease or predisposition to bacterial or parasitic diseases the physical chemical parameters must be considered, temperature, salinity and the content of nitrogenous substances.

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