Avian Influenza Virus & Egg Drop Syndrome Flashcards
(18 cards)
First occur in the Philippines in 2013; an infectious respiratory disease
Avian influenza virus
Avian influenza virus also known as?
Avian flu
Bird flu
Fowl plague
Incubation period for the avian influenza virus (bird flu)
2 to 5 days
4 main types of influenza virus
A, B, C, D
Avian influenza is caused by?
Type A influenza virus
2 types of surface proteins in avian influenza
18-Hemmaglutinin
11-neurominidase
Avian influenza’s main reservoir?
Aquatic birds
Infected birds can shed avian influenza A viruses in their?
Saliva
Nasal secretions
Feces
Classification of avian influenza viruses
Low pathogenic Avian Influenza(LPAI)
High pathogenic Avian influenza (HPAI)
Classification of AIV that typically causes mild symptoms in birds, such as ruffled feathers or mild respiratory issues.
Low pathogenic avian influenza
Classification of AIV that can lead to severe illness and high mortality in birds, especially in poultry
High Pathogenic Avian Influenza
LPIA depend respiratory signs such as:
Sneezing
Coughing
Ocular and nasal discharge
Sinusitis
LPIA lesions in resp. tract includes:
Congestion
Inflammation of the trachea and lungs
Birds that can survive in avian influenza develop CNS Signs:
Torticollis
Opisthotonus
Incoordination
Paralysis
Drooping wings
Different Strains of Bird Flu Virus
H5N1
H7N9
H5N6
H5N8
A disease in laying hens caused by?
Duck adenovirus 1(EDSV)
Duck adenovirus 1 belongs to genus?
Atadenovirus
Egg drop syndrome characterized by:
Sudden drop in egg production
Production of abnormal eggs
Birds usually appear healthy, making early detection tricky
