雏鸭黄曲霉毒素中毒与曲霉菌病并发病例的病理学诊断

对湖北省襄樊某鸭场病死雏鸭进行了流行病学调查、病理解剖、病理组织学观察、饲料黄曲霉毒素B1检测等一系列诊断。结果表明:死亡雏鸭肝脏肿大,肝质硬化,表面有白色网格状花纹;肺脏表面及切面有灰白色病灶;肝细胞发生水泡变性和脂肪变性及坏死,胆管上皮细胞呈条索状增生;肺脏内有肉芽肿形成,肺气管内可见霉菌菌丝;饲料中黄曲霉毒素B1含量为8.3μg/kg。据以上结果,确诊为雏鸭黄曲霉毒素中毒和曲霉菌病并发。

Pathological Diagnosis on the Complicating Disease Cases with Aflatoxicosis and Aspergillosis in Ducklings

A series of diagnosis such as epidemiological survey,pathological anatomy,histopathological observation and B1 detection of aflatoxin in the feedstuff were made on the diseased and dead ducklings in a duck farm in Xiangfan city of Hubei province.The results showed that the liver of the dead ducklings was enlarged with sclerosis and there were white gridding stripes on the surface.Offwhite focus was on the lung surface and sections.Liver cell took place vacuolar degeneration,fatty degeneration and necrosis and bile duct epithelium showed cord-like hyperplasia.Granuloma was formed in the lung and mould hypha could be seen in the pulmonary trachea.B1 content of aflatoxin in the feedstuff was 8.3 μg/kg.According to the above results,it was diagnosed as the complicating disease with aflatoxicosis and aspergillosis in the ducklings.