一农户养殖长毛兔200只，剪毛后三天死亡50多只，经过现场解剖和实验室检测确定为剪毛引起的应激和通风不畅引起的急性巴氏杆菌和波氏杆菌混合感染。

　　A farmer raised 200 long haired rabbits, and more than 50 of them died three days after shearing. After on-site dissection and laboratory testing, it was determined that the acute mixed infection of Pasteurella and Bordetella was caused by stress and poor ventilation caused by shearing.

　　原因：看似由于疾病引起的死亡，其实仔细分析主要原因还是应激， 秋季以后进行了封棚，封棚以后虽然保暖得到保障可是没有把通风和环境考虑进去，剪毛没有提前做好准备，引起应激。 秋季剪毛要提前做好保暖和应激处理。

　　Reason: Although death may seem to be caused by illness, upon careful analysis, the main cause is still stress. After autumn, the shed was sealed off, and although warmth was ensured, ventilation and environment were not taken into account. The shearing was not prepared in advance, which caused stress. During autumn shearing, it is important to prepare in advance for warmth and stress management.

　　解剖症状：肺部出血严重，气管粘膜出血，肠道黏膜充血和出血，腹腔内有大量积液，有的肺内有脓包，没有腹泻症状。实验室确诊为急性巴氏杆菌为主的混合感染。

　　Anatomical symptoms: Severe pulmonary bleeding, tracheal mucosal bleeding, intestinal mucosal congestion and bleeding, large amount of fluid accumulation in the abdominal cavity, some with abscesses in the lungs, and no diarrhea symptoms. The laboratory confirmed mixed infection mainly caused by acute Pasteurella.

　　处理：加强通风和，注意以前要根据天气，要在天气晴朗和温度变化不大的时间进行，在进行剪毛前要防止应激（电解多维和环丙沙星）和进行处理。

　　Solution: Strengthen ventilation and disinfection. Before disinfection, it is important to follow the weather conditions. Disinfection should be carried out during clear weather with minimal temperature changes. Stress prevention measures (such as electrolysis and ciprofloxacin) and anti-inflammatory treatment should be taken before shearing.

　　剪毛的时间要计划好，尽量选天气暖和的时候剪毛，要在上午剪毛，下午太晚了尽量不要剪，上午剪了毛后，到晚上这段时间让适应。剪毛以后给兔子喝一点温水，吃点抗应激的药物。遇到冷空气的时候尽量不要剪毛， 秋天长的时间长点对兔子对兔毛质量都有好处。如果需要剪毛，可以采取剪被部留腹部，也可以剪腹部留背部的办法，还可以剪左边留右边，或者剪右边留左边。等另一半兔毛长一点再剪留下的一半，这种剪毛的方法特别适合用电推子剪毛，因为用电推子剪毛剪的太短，把兔子身上的毛全部剪光，兔子受不了。这样剪毛稍微麻烦一点，可是对兔子健康很有好处。是在大冷到来以前把兔毛剪掉，冷的时候不用剪毛，冷的天气，时间就是那一段， 秋天的兔毛长点对兔子没有影响。

　　The time for shearing should be planned carefully, preferably during warm weather. It should be done in the morning and not in the afternoon if it's too late. After shearing in the morning, it's time to adjust in the evening. After shearing, give the rabbit some warm water to drink and take some anti stress medication. Try not to cut your fur when encountering cold air, as a longer autumn season is beneficial for both rabbits and the quality of their fur. If you need to shave, you can choose to cut the quilt and leave the abdomen, cut the abdomen and leave the back, or cut the left side and leave the right side, or cut the right side and leave the left side. Wait for the other half of the rabbit's fur to grow a little longer before cutting the remaining half. This shearing method is particularly suitable for using an electric clipper to cut the fur, because using an electric clipper to cut the fur is too short, cutting off all the fur on the rabbit's body, which the rabbit cannot bear. This shearing is a bit more troublesome, but it is very beneficial for the health of rabbits. It is best to cut off the rabbit hair before the arrival of the great cold. There is no need to cut the hair during the coldest weather. The coldest weather is during that period, and growing rabbit hair in autumn has no effect on rabbits.

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