Newcastle disease is also called true chicken plague, listen to the name you can know its power, it is more serious than bird flu disease, can make the flock within a few days of the whole army. This situation was common in the past, and in order to prevent it effectively, we have developed a vaccine, and Newcastle disease has also been effectively controlled under the immunization of the vaccine. However, because of the long-term use of vaccines, Newcastle disease is also constantly mutating, and many atypical symptoms of Newcastle disease have appeared clinically. The lethality rate of atypical Newcastle disease in chicken flocks is not high, but the mixing sensation of atypical Newcastle disease in chickens increases the difficulty of treatment.
Swelling of intestinal lymphatic follicles
Atypical Newcastle disease presents with a variety of symptoms:
Chickens with atypical Newcastle disease will have pinpoint bleeding points in the larynx, nucleus swelling or bleeding of intestinal lymphofollid jujubes, bleeding from the cecum tonsils, bleeding from glandular and gastric papilla, spotted kidneys, green stools, soft neck, paralysis, etc. As long as three or more symptoms are met, we must consider atypical Newcastle disease. Or dissect three to five chickens, which can gather three to five symptoms, and we can also confirm that the chickens have atypical Newcastle disease.
White-green thin dung
1 ️ The chicken population is in a sub-healthy state or the body is in an immunosuppressed state.
This condition often occurs after the chicken population has been immunized, or the sick flock has been forced to immunize, inducing atypical Symptoms of Newcastle disease. This situation is the most common in white feather broilers, 817 and other breeds, many chickens have problems after 21 days or more than 30 days of immunization against newcastle disease, chickens do not do newcastle disease vaccine is basically healthy, normal feeding, do newcastle vaccine began to appear a large number of casualties. In view of this situation, now a lot of white feather broilers, 817 farmers, directly choose in 21 days, 30 days or so, with biological agents to replace the vaccine, after use in the market, the performance effect is not bad, the white feather broiler in the late soft neck and other issues, there is also a good preventive effect.
Bleeding from glandular stomach nipples
2 The flock has been in a state of disease for a long time, and its immunity is low, inducing atypical Newcastle disease co-infection.
Now this season, the most common is that the flock is in a cold or cold state for a long time, the chickens have fever, air cystitis, peritonitis is serious, in this case it is easy to mix with atypical Newcastle disease.
In short, strong poison Newcastle disease rarely occurs, generally it is a secondary infection of atypical Newcastle disease and other diseases, and we must find the cause of treatment and treat it in a targeted manner! If the mortality rate is relatively high, you can use Binchuang Jing to prevent detoxification and dispersion, Binchuang gold resistance, if there is a mixture of air cystitis, with Binchuang air sac net.
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