The flashcards below were created by user
HLW
on FreezingBlue Flashcards.
-
What is the etiological agent behind necrotic enteritis?
Clostridium perfringens type C
-
What animals are generally infected with necrotic enteritis?
Chickens 2-8 weeks
-
What feeds promote Clostridium perfringens type C overgrowth? 2
- Animal by products
- Wheat diets
-
What lesions are associated with necrotic enteritis?
- Fibrinonecrotic enteritis
- Hepatic infarction
-
How is necrotic enteritis diagnosed? 3
- Gross lesions
- Histopathology
- Isolation of C. perfringens is not diagnostic
-
How can necrotic enteritis be prevented or controlled? 3
- Diet formulation
- Identify concurrent disease stress
- Antibiotics
-
What is the etiological agent that causes Chronic Respiratory Disease in galliformes?
Mycoplasma gallisepticum
-
What is the etiological agent that causes synovitis and respiratory disease in chickens and turkeys?
Mycoplasma synoviae
-
How is Mycoplasmosis diagnosed? 3
- Serology (Rapid plate agglt, ELISA, and HI)
- PCR
- Isolation
-
What is the most common final pathogen in many species of poultry?
Escherichia coli
-
What are some respiratory viruses that will cause increased host susceptibility to E. coli? 4
- Newcastle dz
- Infectious bronchitis
- Pneumovirus infection
- Avian influenza
-
What are some factors that will cause increased host susceptibility to E. coli, other than respiratory viruses? 6
- Mycoplasma
- Bordetella
- Ammonia
- Respiratory cryptosporidium
- Bursal dz
- Chicken infectious anemia
-
How can you prevent an E. coli infection? 3
- Identify stress or underlying condition
- Closed water systems
- E. coli vaccines
-
What is the etiological agent that causes Infectious Coryza?
Avibacterium (Haemophilus) paragallinarum
-
What are some clinical signs associated with Infectious Coryza? 4
- Nasal discharge
- Facial edema
- Conjunctivitis
- Sinusitis
-
How is Infectious Coryza diagnosed?
Culture or PCR
-
What co-pathogen is likely with Infectious coryza?
Mycoplasma gallisepticum
-
How is Infectious coryza prevented or controlled? 2
-
What is the etiological agent that is the cause of Fowl Cholera?
Pasteurella multocida
-
What species are affected by Fowl Cholera? 4
- Turkeys (all ages)
- Chickens (mature)
- Ducks and geese
- Quail
-
What are some ways fowl cholera is prevented and controlled? 4
- Vaccination
- Vector control
- Water sanitation
- Biosecurity and sanitation
|
|