Chicken Newcastle disease is an acute septic infectious disease caused by a virus. Commonly known as "chicken plague", that is, the so-called Asian chicken plague.
The disease occurs throughout the year, especially in cold and climatically changeable seasons.
All kinds of day-old chickens can be infected, and 20-day-old 60-day-old chickens are the most susceptible to infection.
The high mortality rate is below some of the symptoms that have been exhibited, so let's collect them.
Individual cases of salpingitis may find that the fallopian tubes are large and there is a yellow fibrous substance accumulated in the lumen;
Meningitis, meningeal hyperemia, bleeding can be seen in cases showing neurological symptoms; Chronic or subacute cases may show swelling of the metatarsal and tarsal joints on one or both sides, fluid accumulation in the joint cavity, fluctuating sensation in the touch of the hand, and large fluid flowing out of the dissection.
Some of the ducks in the flock are depressed, do not eat or drink, have weak legs, do not walk, lie in isolation, crowd into small piles, drain white loose stools, individual rows of light green thin feces, sick ducks shed tears and runny nose, feathers around the eye circles are wet and sticky, some nostrils are blocked, open mouths and gasp for breath are difficult to breathe, some sick ducks have head and neck tremors, head and tail swing, head and neck bending and reversal, ataxia and other neurological symptoms, paroxysmal spasms before death, angle arch recoil.
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