19/10/2025
Here are the most common poultry diseases and how to prevent them:
1. Newcastle Disease (ND)
Cause: Virus
Signs: Coughing, sneezing, twisted necks, paralysis, sudden death
Prevention:
Vaccinate at day 7 and again at 21 days
Maintain strict biosecurity
Avoid contact with wild birds
2. Infectious Bursal Disease (Gumboro)
Cause: Virus
Signs: Weakness, ruffled feathers, watery droppings
Prevention:
Vaccinate at 14–16 days
Keep litter dry and clean
3. Fowl Pox
Cause: Virus (spread by mosquitoes or contact)
Signs: Scabs on comb, wattles, or eyelids
Prevention:
Vaccinate at 4–6 weeks
Control mosquitoes
4. Coccidiosis
Cause: Protozoa in wet litter
Signs: Bloody droppings, drooping wings, poor growth
Prevention:
Keep litter dry
Use coccidiostats in feed or water
5. Marek’s Disease
Cause: Herpesvirus
Signs: Paralysis, weight loss, blindness
Prevention:
Vaccinate day-old chicks
Keep pens clean
6. Fowl Cholera
Cause: Bacteria (Pasteurella multocida)
Signs: Swollen wattles, green diarrhea, sudden death
Prevention:
Maintain hygiene
Control rodents
Vaccinate layers and breeders
7. Chronic Respiratory Disease (CRD)
Cause: Mycoplasma gallisepticum
Signs: Sneezing, nasal discharge, breathing difficulty
Prevention:
Avoid overcrowding
Ensure good ventilation
Buy disease-free chicks
8. Salmonellosis (Pullorum/Typhoid)
Cause: Bacteria (Salmonella spp.)
Signs: White droppings in chicks, weakness, death
Prevention:
Source chicks from certified hatcheries
Keep water and feed clean
9. Avian Influenza (Bird Flu)
Cause: Virus
Signs: Sudden death, swollen head, comb, and wattles
Prevention:
Enforce strict biosecurity
Limit farm visitors
MS Ollas Mini Farms
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MS Ollas Mini Farms