Health & Welfare

Virulent Aeromonas hydrophila in channel catfish

This study investigated factors that predisposed catfish to motile Aeromonas septicemia (MAS) caused by virulent Aeromonas hydrophila (vAh). Results revealed that wounding on fish body surface was important for vAh infection and disease development. 

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Parasitism enhances tilapia susceptibility to Flavobacterium columnare
Article image for Parasitism enhances tilapia susceptibility to Flavobacterium columnare

Health & Welfare

Parasitism enhances tilapia susceptibility to Flavobacterium columnare

The bacterium Flavobacterium columnare and parasite Ichthyophthirius multifiliis (Ich) are common pathogens that can cause heavy economic losses for fish culture. The authors conducted a study to evaluate the susceptibility of hybrid tilapia to F. columnare, including fish mortality and bacterial numbers in fish after parasitism by Ich.