猪中暑是怎么引起的?如何才能避免中暑?

2025-02-09 03:26:01
推荐回答(1个)
回答1:

中暑又称日射病与热射病,常发生在炎热的夏季,主要是由于猪舍狭小,猪只多,过分拥挤,外温过高,猪圈又无防暑设备或夏季放牧、车船中运输防暑措施不得力,强烈日光直接照射等原因引起,尤其在气温高、湿度大、饮水不足时更易促进本病的发生。

猪中暑后表现精神沉郁,四肢无力,步态不稳,皮肤干燥,常出现呕吐,体温升高,呼吸迫促,黏膜潮红或发紫,心跳加快,狂躁不安。特别严重者,精神极度沉郁,体温升至42℃以上,进一步发展则呈现昏迷状态,最后倒地痉挛而死亡。

凡在气候酷热的盛夏,有上述原因而突然发病者,应考虑本病。临诊上应注意与脑膜炎区别,中暑是由于强烈日光照射或天气闷热而引起大脑中枢神经发生急性病变,与脑膜炎相似,但将病猪立即移至凉爽通风处,并用凉水浇洒头部和全身,轻症病例,很快就能恢复,较重者亦能逐渐好转,且本病只发生在炎热夏季。而脑膜炎不只发生在夏季,采取上述降温措施效果不明显。

猪发生中暑后,应立即将病猪移至阴凉通风的地方,保持安静,并用冷水泼洒头部及全身,或从尾部、耳尖放血。用安钠咖5~10毫升,肌肉注射,以达到强心效果;严重脱水者可用5%葡萄糖盐水100~500毫升,静脉或腹腔注射,同时用大量生理盐水灌肠;为防止肺气肿,可用地塞米松每千克体重1~2毫克,静脉注射。也可用中草药治疗,如甘草、滑石各30克,绿豆水为引,内服;或西瓜1个捣烂,加白糖100克;或淡竹叶30克,甘草45克,水煎,一次灌服。

炎热夏季,应注意防暑降温,保证充足饮水。目前,市场上有以电解质和多种维生素为主要成分的抗应激添加剂,放在饮水中饮用,对避免猪中暑有一定效果。运输猪只时,均须有遮阳设备,注意通风,不要过分拥挤,防止相互挤压。

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