Abstract
Piscine mycobacteriosis is a systemic, chronic, progressive disease in fish caused by the non-tuberculous mycobacteria (NTM). It has significant economic and public health impacts on commercial culture of ornamental fish. Clinical manifestation and the pathology of the infection in ornamental fish may vary depending on the species of fish affected and the species of the pathogenic NTM involved. This clinical communication describes mycobacteriosis in two different ornamental species; gold fish ( Carassius auratus ) and koi carp ( Cyprinus carpio ).
Highlights
Piscine Mycobacteriosis is a chronic progressive disease affecting many species of wild and cultured fish inhabiting both fresh water and marine environments (Jacobs, 2009; Gauthier and Rhodes, 2009)
Mycobacteriosis in ornamental fish is characterized by non specific clinical signs that include progressive emaciation, chronic non healing ulcers, pigmentary changes, scale loss and death of fish over a period of months to years
Diagnosis is based on history, gross pathology, microscopic evaluation of organ smears for acid fast rods (AFR) followed by cultural, histopathological and molecular investigations
Summary
PISCINE MYCOBACTERIOSIS IN GOLD FISH (CARASSIUS AURATUS) AND KOI CARP (CYPRINUS CARPIO): TWO CASE REPORTS. SUMMARY: Piscine mycobacteriosis is a systemic, chronic, progressive disease in fish caused by the nontuberculous mycobacteria (NTM). It has significant economic and public health impacts on commercial culture of ornamental fish. Clinical manifestation and the pathology of the infection in ornamental fish may vary depending on the species of fish affected and the species of the pathogenic NTM involved. This clinical communication describes mycobacteriosis in two different ornamental species; gold fish (Carassius auratus) and koi carp (Cyprinus carpio)
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