Clinical decision support tool. Does not replace professional veterinary judgment. Always verify recommendations with current references.
Koi
FISH· Lifespan: 25-35 years
📋 Breed Predispositions
| Condition | Prevalence | Onset | Severity | Screening |
|---|---|---|---|---|
| Koi Herpesvirus (KHV / CyHV-3) | Major threat to koi populations | Any age (60-80% mortality) | LIFE THREATENING | PCR from gill biopsy or swab |
| Aeromonas / Pseudomonas Ulcer Disease | Common in spring | Any age | SEVERE | Culture of ulcer margins |