Poultry Flashcards
(24 cards)
Name the 4 R’s for Infectious Bronchitis Virus (IBR)
RNA - coronavirus
Respiratory
Renal
Reproductive
Which virus causes misshappen eggs?
Infectious Bronchitis Virus - Coronavirus
Hemogglutination positive
Avian Influenza Virus - Orthomyxovirus
Newcastle Dz - Paramyxovirus
Hemogglutination negative
Infectious Bronchitis Virus - Coronavirus
Necropsy: white urates in renal tubules
Infectious Bronchitis Virus - Coronavirus
Which two subtypes are considered notifiable Avian Influenza?
H5 & H7
What are the primary signs of Low Pathogen Avian Influenza (LPAI)?
Mild upper respiratory infection
What are the primary signs of High Pathogen Avian Influenza (HPAI)?
Severe upper respiratory signs
What is the natural reservoir for avian influenza in the wild?
Migrating waterfowl
CS: swollen infraorbital sinuses
Infectious Coryza
What is the causative agent of Infectious Coryza?
Haemophilus paragallinarum
What necropsy findings are consistent with Infectious Coryza?
Infraorbital sinuses contains gaseous exudate
Name at least 5 clinical signs of Infectious Coryza
Conjunctivitis with adherence of eyelids Swelling of the head Sneezing Ocular and nasal discharge Severe rhinitis & sinusitis
List 5 clinical signs expected in a chicken infected with Infectious laryngotracheitis
Neck extension Gasping Conjunctivitis Blood stained beak Decreased egg production
Necropsy finding of Infectious Laryngotracheitis?
Blood, mucus, yellow gaseous exudate in the trachea.
What is the causative agent of Infectious Coryza? Virus or bacteria?
Alphaherpes virus
Name the five strains of Newcastle disease by pathotype. Which pathotypes are reportable?
- Viscerotropic - R
- Neurotropic - R
- Mesogenic - R
- Lentogenic
- Asymptomatic
What is the gold standard test for Newcastle disease?
Virus Isolation
What is the treatment of choice if a reportable form of Newcastle dz is detected?
Depopulate - no treatment
What necropsy finding is pathognomonic for Newcastle dz?
Hemorrhage and necrosis of lymphoid organs in the intestinal mucosa.
What is the causative agent of Newcastle Dz?
Paramyxovirus
List 4 forms of Marek’s disease and their manifestations.
Neurologic: paralysis, drooping wings, extended legs, torticollis
Ocular: blindness, distorted iris shape, discolored iris.
Cutaneous: enlarged feather follicles, leg lesions
Visceral: nodular diffuse visceral lymphoid tumors
What are 2 common findings on necropsy with Marek’s disease?
Enlarged peripheral nerves
Enlarged feather follicles
How is Marek’s disease transmitted?
Fomites, secretions and droppings
