鸡传染性法氏囊病流行新特点
Chinese Journal of Animal Husbandry and Veterinary Medicine（2007）
Abstract
<正>自80年代鸡传染性法氏囊病传入至今已达十五六年之久。在这十多年对鸡法氏囊病的防控中发现,鸡传染性法氏囊病流行出现诸多新的特点,现总结如下:1发病日龄逐渐拓宽
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