Recently, cattle farmers have encountered a lot of diseases related to cattle respiratory system, and some have not used many drugs, such as cephalosporin, Bupleurum, and Radix. Some cattle farmers use injections, cattle graze, stop drugs and high fever, and some even do not eat, death, bring great trouble to cattle farmers. In fact, the diseases of the respiratory system are mainly cattle and lung disease, and some will develop into infectious pleuropneumonia. Therefore, some people also call it "bad lung disease". This disease can be borne regardless of age, and it can be borne, and the mortality rate is very high.
Symptoms: high fever, anorexia, coughing. The nose is runny, the body temperature does not exceed 40 °C, if not found in time, 1-2 days, the condition worsens, the cough is intensified, the flow of yellow nasal fluid, the feed intake of sick cattle drops sharply, eat less or anorexia does not eat, then there is cough Reduce, change to difficulty breathing, and wheezing (runny nose is the upper respiratory tract, cough is the trachea, asthma is developed to the lungs, that is, the condition changes from the upper respiratory tract to the lower respiratory tract.) The spirit is extremely depressed, and severe dyspnea and death, Some have turned into chronic, and the sick cows have gradually lost weight and turned into symptoms of pleuropneumonia.
Cause: The disease mainly occurs during the weather change period; the newly purchased cattle are transported over long distances, and the physical immunity is reduced; it is also caused by a cold. The pathogens are mainly Pasteurella, Mycoplasma, Chlamydia, and viruses. This disease is also called endemic pneumonia.
Diagnosis: early auscultation (very important), alveolar sounds, and blisters, with the development of the disease, lung friction sounds. In the later stage, the alveolar sounds weakened to disappear, mainly due to the increase of exudate in the lungs (ie, the oozing liquid blocked the alveolar sound).
Anatomy: A necropsy of the dead cows revealed that there were many exudates in the chest of the dead cow, lung enlargement, meat-like changes, and chest adhesions.
Treatment: In the early stage of the disease, the body temperature is not particularly high, and the drug can be recovered in about 3 days. In the morning, Shuanghuanglian injection can be used according to the instructions. If the body temperature is above 41 °C, the dosage can be increased appropriately. For each 100 kg of body weight, use 1 (10 ml), plus florfenicol (according to the instructions). Empty cattle can also add 3-5 (2ml each) dexamethasone, pregnant cattle do not use dexamethasone. In the afternoon, use tilmicosin, and use it according to the instructions. The content of the drugs produced by each manufacturer is different, so use it according to the instructions.
Summary: The early treatment of this disease is ideal, basically can be cured, but the chest exudate is more, the breathing is difficult, the treatment effect is not ideal, the later the bad, the diagnosis of this disease is very important, it can judge the development of the disease degree.
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