Low Pathogenic Avian Influenza
Low Pathogenic Avian Influenza (H9N2) just only one of the subtypes in poultry. It is referred to as the disease named avian influenza caused by infection with avian (bird) influenza (flu) Type A viruses in poultry. its also known Bird Flu.
clinical signs show of Low Pathogenic Avian Influenza (LPAI) suddenly but mortality low in laying then broiler birds. the bird can remain infected 1- 2 weeks but recovered after disappearance clinical signs.
Extensive mortality occurred at HPAI due to disease only seen in the peracute stage.
Clinical signs vary stage of infection, time & weather condition. this severity occurred when day length increase but cold weather at night by the overflow of air pressured increased.
edge of the comb became cyanotic are characteristics sign of Low Pathogenic Avian Influenza (LPAI) in poultry I
Severe prostration in broiler bird
Open Beak respiration in Chicken
Bilateral swollen head at broiler birds
Profuse mucoid nasal discharge is often seen in LPAI
Mucoid discharge from the mouth in severely infected birds
Fully closed eye due to conjunctivitis
Head tuck under the feather
Excessive mucoid with slight greenish feces are characteristics sign of Low Pathogenic Avian Influenza (LPAI) in poultry
Egg Shell breakage pale coloured & reduce the size
characteristics sign of Low Pathogenic Avian Influenza (LPAI) in poultry
Md Ramzan Ali, DVM