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NECROSIS AND BACTERIAL INFECTION IN CHANNEL CATFISH (Ictalurus punctatus) FOLLOWING HYPOXIA

1976/04/01 by J. A. PLUMB, J. A. Plumb, John M. Grizzle +2
Biochemistry, Genetics and Molecular Biology · Environmental Science · Immunology and Microbiology · #Aquaculture disease management and microbiota #Environmental Toxicology and Ecotoxicology #Myxozoan Parasites in Aquatic Species

paper · doi:10.7589/0090-3558-12.2.247

openalex publication_date 1976/04/01 · openalex created_date 2025/10/10 · openalex updated_date 2026/06/26

Abstract

Apparently sterile lesions developed in the skin and musculature of channel catfish (Ictalurus punctatus) six days after fish were severely stressed by an oxygen depletion associated with a phytoplankton die-off in an 8.9 ha pond. Lesions were characterized by hemorrhage and necrosis. Aeromonas hydrophila was isolated from either the lesions ot internal organs of all moribund fish necropsied the day after lesions were first found. As the water quality improved the health of the fish improved. Water quality data collected before and after the oxygen depletion, and associated fish mortality, are presented.

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