Avian Cholera is a severe bacterial disease caused by Pasteurella multocida, affecting various poultry species. It’s highly contagious and can cause significant mortality in affected flocks.

SYMPTOMS
CAUSES
PREVENTION
TREATMENT

Symptoms

  • Acute Form (All Species):
    • Sudden death without prior signs
    • High mortality rates
    • Yellow-green diarrhea
    • Mucus discharge from mouth
    • Increased respiratory rate
    • Cyanotic wattles and combs
  • Specific Manifestations:
    • Chickens:
      • Ruffled feathers
      • Fever
      • Loss of appetite
      • Reduced egg production
    • Turkeys:
      • Dark blue/purple discoloration of head
      • Severe respiratory distress
      • Lameness
      • Joint swelling
    • Waterfowl:
      • Swimming in circles
      • Head pulled close to body
      • Convulsions
      • Bloody discharge from nostrils

Causes and Transmission

  • Causative Agent:
    • Bacterium Pasteurella multocida
    • Multiple strains with varying virulence
  • Transmission Routes:
    • Direct bird-to-bird contact
    • Contaminated water/feed
    • Nasal/oral discharges
    • Contaminated equipment
    • Wild bird carriers

Prevention Strategies

  • Biosecurity:
    • Strict sanitation protocols
    • Control of wild birds
    • Clean water supply
    • Regular disinfection
    • Proper disposal of dead birds
  • Management:
    • Stress reduction
    • Good ventilation
    • Proper stocking density
    • Vaccination programs
    • Regular health monitoring

Treatment Options

  • Immediate Actions:
    • Antibiotic treatment (under veterinary guidance)
    • Isolation of affected birds
    • Enhanced biosecurity
    • Water sanitization
  • Supportive Care:
    • Electrolyte supplementation
    • Vitamin therapy
    • Temperature management

Conclusion:
Treatment success depends on early detection and immediate intervention. Prevention is more effective than treatment.