Common Poultry Diseases Flashcards
Refers to any condition that results in deviation from normal function.
Disease
Diseases occur due to the interaction between what following factors?
- Host
- Agent
- Environment
What are the types of agent factors?
Infectious & non-infectious agents
What are the following host factors?
- Breed
- Age
- Sex
- Immune status
What are the following environmental factors?
- Feed Quality
- Lighting program
- Air quality and ventilation
- Water quality
- Space
- Sanitation
- Vaccination and medication programs
- Weather
- Season
- Geographic location
What are the general signs of disease?
● Poor appetite
● Huddling
● Depression
● Runting/stunting; poor uniformity
● Ruffled feathers
● Coughing, sneezing, oculo-nasal discharge,
difficulty breathing
● Bloody or wet litter
● Increased mortality
Identify the disease:
● Respiratory distress, coughing, sneezing,
expectoration of bloody mucus.
● Conjunctivitis and swelling
Infectious Laryngotracheitis
Identify the disease:
● Coughing, sneezing, facial swelling, nasal
discharge, cloudy air sac.
● Deformed eggs, drop in egg production.
● Pericarditis and perihepatitis (with secondary E.
coli infection)
Mycoplasmosis
Identify the disease:
● Unthriftiness, stunted growth, emaciation
● Enteritis
● Anemia
● Decreased egg production
Internal Parasites
What are the different internal parasites?
- Roundworms
- Hairworms
- Cecal worms
- Tapeworms
Identify the disease:
○ High mortality
○ Bloody feces
○ Pale combs
○ Ruffle feathers
○ Lack of appetite
○ Coagulated blood in ceca
Cecal coccidiosis (mainly by E. tenella in chickens)
Identify the disease:
○ Loss of weight
○ Shriveled combs
○ Drop in egg production
○ Pale shanks
Intestinal coccidiosis
What are the types of external parasites?
- Scaly leg mite
- Chicken mite
- Northern fowl mite
Type of mite the shows scale and crusts in legs, combs, and wattles.
Scaly leg mite
Type of mite that shows blackened feathers, and scabby skin around vent.
Northern fowl mite
