东北虎豹国家公园猪圆环病毒病空间分布预测
Chinese Journal of Animal Husbandry and Veterinary Medicine（2022）
Abstract
猪圆环病毒病是由圆环病毒感染引起的猪的多系统功能障碍性疾病,严重危害猪的免疫功能生长发育和生产性能.为系统了解猪圆环病毒病在东北虎豹国家公园内的风险水平,本研究通过建立最大熵模型、使用主成分分析等方法,探究猪圆环病毒病在东北虎豹公园的高发区域分布以及环境因子与猪圆环病毒病暴发之间的关系,寻找影响猪圆环病毒病暴发的环境因素,为该地区猪圆环病毒病的预防和控制提供依据.研究表明,猪圆环病毒病风险分布与降水量呈负相关,影响模型的主要环境因素包括Bio 5(最热月的最高温度)、Tmax11(11月最高温度)以及Bio19(最冷季节降水量),其中Bio 5以及Tmax11累计贡献率达83.1％.
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