Many chicken farmers encounter purple crowns, but they don't know why

We often encounter the situation of purple crown in raising chickens, today I will analyze the purple crown of chickens, what are the reasons for it?

Normal chicken crown is relatively bright red and smooth, chicken crown purple is due to low blood oxygen content, high concentration of carbon dioxide in the blood, will lead to blood color darkening, so it will show chicken crown purple hair dark, resulting in low blood oxygen content factors, there are two main factors, the first is the low oxygen content in the air, especially we shed chickens, in this season, cold weather, dare not ventilate, afraid of cold cold, causing the phenomenon of stuffiness, the second factor is the influence of regional factors, especially in the plateau high altitude areas, in the northwest , the southwest altitude of more than 1500 meters, there will be a chronic hypoxia phenomenon, especially the meat type, fast and large chickens, due to the long speed, eat more, ascites phenomenon is also more, these areas of chicken friends will have a deep experience, when the chicken ascites, it not only shows the crown purple, the whole body skin will also be purple, the abdomen has a sense of fluctuation

There is also a disease aspect, especially the respiratory tract affects the gas exchange of the lungs, thereby affecting the blood oxygen content, such as new flow, larynx, cholera, air cystitis, etc., which can cause respiratory symptoms

This is another blood circulation factor, especially in winter or in the case of low temperature, the capillaries contract in cold, and the blood flow is not blocked. Of course, in the case of high temperatures, especially in the case of lack of water in summer, the viscosity of the blood will increase, which will also affect the fluency of blood circulation and cause the crown to turn purple

For example, the phenomenon of poisoning can also lead to purple crowns, cecum hepatitis tissue trichomoniasis, also known as blackhead disease, etc., these factors will appear chicken crown purple, if you have any breeding problems in raising chickens, you can always come to consult

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