CCVD
Viral
🔴 Fatal
🔔 OIE Notifiable
Channel Catfish Virus Disease
🦠 Channel catfish virus (CCV / Ictalurid herpesvirus 1) · Alloherpesviridae
📋 Overview
CCV strikes catfish fingerlings (<10 cm) most severely, especially when water temperatures exceed 25 °C. Adult fish are largely resistant but remain latent carriers, complicating disease control in commercial catfish farming in the southern USA.
📊 Key Facts
Causative Agent
Channel catfish virus (CCV / Ictalurid herpesvirus 1)
Agent Family
Alloherpesviridae
Geographic Range
USA (primarily southeastern United States catfish farms)
Transmission Routes
Water-borne, horizontal; vertical suspected
Primary Host
Channel Catfish (Ictalurus punctatus) fingerlings
Vaccine
✗ None / Experimental
🩺 Clinical Signs
Haemorrhages on skin and fins, exophthalmia, abdominal distension, spiral swimming, necrotic kidney and spleen.
🔬 Symptoms
🔬
Haemorrhages on skin and fins
Integumentary Acute
🔬
Exophthalmia
Ophthalmic Acute
🔬
Abdominal distension
Abdominal Acute
🔬
Spiral swimming
Neurological Acute
🧪 Diagnosis
Virus isolation in cell culture (CCO cells), PCR, neutralisation tests.
💊 Treatment
⚠️ No universally approved treatment is currently available. The information below covers supportive care and experimental approaches.
No effective treatment. Reduce stocking density and temperature where possible.
🛡️ Prevention
ℹ️ Prevention is the most effective strategy for managing this disease in aquaculture and aquarium settings.
Use CCV-resistant broodstock lines, avoid overcrowding, monitor temperature.