In recent years, the climate has been abnormal, dry, and windy; the existence of numerous reasons has caused frequent respiratory diseases in chickens. Newcastle disease, virulent newcastle disease, mild flu, larynx, kidney-type transmission, mycoplasma, rhinitis, nasal bronchitis and other respiratory diseases occur all the year round. The technicians at the frontline, the diagnoses of chicken diseases, and the farmers are all very upset. They cannot start with respiratory diseases, they do not know what the disease is, and they cannot come up with a reasonable treatment plan. There are countless cases of chicken respiratory disease due to misdiagnosis or closure. In order to help front-line staff correctly diagnose chicken respiratory diseases, the author will make a brief introduction to differential diagnosis techniques for chicken respiratory diseases.
Chicken respiratory diseases are simply divided into several categories. Including chicken viral respiratory diseases, mycoplasma respiratory diseases, bacterial respiratory diseases. In the case of chickens suffering from abnormal respiratory systems, they must first be diagnosed with respiratory diseases. The main characteristics of viral respiratory diseases are the rapid rate of infection or certain contagious diseases, and some of them have strange calls and high breathing difficulties. Mycoplasma is very infective and almost undetectable; chickens are mainly sneezing, coughing is obvious, there is a quiet snoring sound; chicken sound development is not obvious in a few days. Similar to bacterial respiratory diseases and mycoplasma, it is also easy to distinguish it from viral respiratory diseases, but chicken rhinitis is very fast and it is not easy to distinguish it from viral respiratory diseases. The characteristic feature of rhinitis is that the face is swollen and swollen, there is a certain amount of chicken nose fluid, nostril adhesive material; to distinguish this from viral respiratory diseases.
The principle of the treatment of chicken viral respiratory diseases, we must first carry out differential diagnosis of Newcastle disease, only the treatment of Newcastle disease is specific, the basic treatment of other viral respiratory diseases are similar; Newcastle disease with general antiviral drugs Almost ineffective. Respiratory symptoms caused by Newcastle disease are mainly coughing, but also screaming and groaning. If only a large number of drugs are not used, or the effect is not satisfactory, you must consider Newcastle disease!
With Newcastle disease chickens, there is obvious yellow loose stools in the excrement and there is a one-dollar coin. There is yellow feces in the feces and grassy green porcine feces like suckling pigs, or mucus pus-like substances with grass green. Although atypical Newcastle disease does not show typical fecal changes, the anatomical changes are similar to the typical ones. The anatomy of Newcastle disease should be analyzed from the following five characteristics:
From the caecal tonsils to the end of the cecum 4 centimeters, there are jujube-like protrusions and bleeding; the size of the protuberances and the severity of the bleeding just indicate the severity and the size of the chicken, but they are all diseases. The number of protrusions varies from one to three.
The ileum and cecum are raised and bleeding. In severe cases, the protrusion is obvious, and the bleeding is even more devious. The virulent forms a layer of green or yellow-green sticky exudates on the protrusions. The atypical ones are like half a soya bean, and some are not bleeding. Some are only slightly bleeding.
After the yolk pedicle 2 cm to 6 cm (half at 4 cm) has the same changes as the ileum.
In chickens with dyspnea, there is white mucus in the trachea (the magnitude of the amount is only related to the degree of severity), and whether the tracheal C-like cartilage is bleeding or not is irrelevant. Including regurgitation and rectal bleeding is not important. There is one key that we must pay attention to. This is something that many people do not know. It is a 0.5-cm-long hemorrhage at the intersection of the trachea and the bronchus of the childbirth, which is especially virulent.
The glandular stomach nipples are usually swollen and bleeding (typically not mentioned), and in some cases there is no change. The anatomy of mild flu on the glands and stomachs is almost the same as that of Newcastle disease, but this series of changes in the intestines is almost non-existent, but there are also a lot of green contents in the intestine.
In chickens suffering from mild chicken flu, the following points should be noted in the clinical identification of symptoms:
The sound of respiratory abnormalities varies from group to group; it is hoped that this area will not be misunderstood. This symptom only provides a reference for diagnosis. It is only known that mild influenza has respiratory abnormalities.
There are two types of feces. A. There is no change in the initial period. B. Pull the yellow and white dilute feces, mixed with emerald green maggots, and some with green or black mouse feces. Orange feces emerged in the middle.
Chicken respiratory diseases are simply divided into several categories. Including chicken viral respiratory diseases, mycoplasma respiratory diseases, bacterial respiratory diseases. In the case of chickens suffering from abnormal respiratory systems, they must first be diagnosed with respiratory diseases. The main characteristics of viral respiratory diseases are the rapid rate of infection or certain contagious diseases, and some of them have strange calls and high breathing difficulties. Mycoplasma is very infective and almost undetectable; chickens are mainly sneezing, coughing is obvious, there is a quiet snoring sound; chicken sound development is not obvious in a few days. Similar to bacterial respiratory diseases and mycoplasma, it is also easy to distinguish it from viral respiratory diseases, but chicken rhinitis is very fast and it is not easy to distinguish it from viral respiratory diseases. The characteristic feature of rhinitis is that the face is swollen and swollen, there is a certain amount of chicken nose fluid, nostril adhesive material; to distinguish this from viral respiratory diseases.
The principle of the treatment of chicken viral respiratory diseases, we must first carry out differential diagnosis of Newcastle disease, only the treatment of Newcastle disease is specific, the basic treatment of other viral respiratory diseases are similar; Newcastle disease with general antiviral drugs Almost ineffective. Respiratory symptoms caused by Newcastle disease are mainly coughing, but also screaming and groaning. If only a large number of drugs are not used, or the effect is not satisfactory, you must consider Newcastle disease!
With Newcastle disease chickens, there is obvious yellow loose stools in the excrement and there is a one-dollar coin. There is yellow feces in the feces and grassy green porcine feces like suckling pigs, or mucus pus-like substances with grass green. Although atypical Newcastle disease does not show typical fecal changes, the anatomical changes are similar to the typical ones. The anatomy of Newcastle disease should be analyzed from the following five characteristics:
From the caecal tonsils to the end of the cecum 4 centimeters, there are jujube-like protrusions and bleeding; the size of the protuberances and the severity of the bleeding just indicate the severity and the size of the chicken, but they are all diseases. The number of protrusions varies from one to three.
The ileum and cecum are raised and bleeding. In severe cases, the protrusion is obvious, and the bleeding is even more devious. The virulent forms a layer of green or yellow-green sticky exudates on the protrusions. The atypical ones are like half a soya bean, and some are not bleeding. Some are only slightly bleeding.
After the yolk pedicle 2 cm to 6 cm (half at 4 cm) has the same changes as the ileum.
In chickens with dyspnea, there is white mucus in the trachea (the magnitude of the amount is only related to the degree of severity), and whether the tracheal C-like cartilage is bleeding or not is irrelevant. Including regurgitation and rectal bleeding is not important. There is one key that we must pay attention to. This is something that many people do not know. It is a 0.5-cm-long hemorrhage at the intersection of the trachea and the bronchus of the childbirth, which is especially virulent.
The glandular stomach nipples are usually swollen and bleeding (typically not mentioned), and in some cases there is no change. The anatomy of mild flu on the glands and stomachs is almost the same as that of Newcastle disease, but this series of changes in the intestines is almost non-existent, but there are also a lot of green contents in the intestine.
In chickens suffering from mild chicken flu, the following points should be noted in the clinical identification of symptoms:
The sound of respiratory abnormalities varies from group to group; it is hoped that this area will not be misunderstood. This symptom only provides a reference for diagnosis. It is only known that mild influenza has respiratory abnormalities.
There are two types of feces. A. There is no change in the initial period. B. Pull the yellow and white dilute feces, mixed with emerald green maggots, and some with green or black mouse feces. Orange feces emerged in the middle.
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