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Acute and highly contagious infectious diseases of chickens turkeys caused by Newcastle disease virus.
FEATURES ARE: difficulty breathing, diarrhea, and neurological symptoms. Ducks and geese are also infected, but have some resistance.
It has the characteristics of agglutinating red blood cells of chickens and other animals.
RESISTANCE: The virus loses its vitality at 60 degrees and 30 minutes. The virus is freeze-dried at 30 degrees in vacuum and can be stored for 30 days. The virus dies in 30 minutes under direct sunlight.
Source of infection: Poisonous chickens, birds, etc.
SUSCEPTIBLE ANIMALS: chicken, turkey, guinea fowl, goose, duck
ROUTE OF TRANSMISSION: respiratory tract, digestive tract, conjunctiva, trauma, poisonous eggs.
It can occur in all seasons of the year, with more spring and autumn seasons.
- CLINICAL SYMPTOMS AND PATHOLOGICAL CHANGES
RESPIRATORY TRACT: coughing, difficulty breathing, stretching head and opening mouth, making “giggling” wheezing, strange calls
DIGESTIVE TRACT: Decreased feeding, sour and odorous liquid in cough, pulling green or yellow-green stool.
NERVOUS SYMPTOMS: paralysis of wings and legs, twisting of the neck backwards or on one side.
RESPIRATORY TRACT: tracheal ring or spotted bleeding.
GASTROINTESTINAL TRACT: Glandular stomach nipple or inter-nipple hemorrhage, and bleeding points are also common under the muscular-stomach cuticle.
FOUR PARTS: duodenum, 3-4 cm below the yolk pedicle, cecal tonsil, rectal bleeding, jujube-shaped or focal bleeding.
Laying follicles and fallopian tubes are significantly congested.
PREVENTION AND CONTROL
Vaccinations with Good vaccine
Avoiding wild birds from accessing your poultry units.