研究猪副猪嗜血杆菌感染的病理变化。
The pathological changes of haemophilus parasuis infection in swine were studied.
猪副嗜血杆菌感染的确诊不能仅凭以往病史、发病周龄和临床症状。
Diagnosis of HPS infection cannot be made on the basis of history, age of occurrence, or clinical signs only.
如构建出突变体库，从中筛选出毒力减弱的副猪嗜血杆菌突变菌株，对研制出基因工程弱毒活疫苗具有重要意义。
So it's has great significance to construct the mutant storehouse and slecte the toxicity weak Hps mutant strain for developing the genetic engineering attenuated vaccine.
采用大体剖检、常规石蜡切片、H.E染色法研究猪副猪嗜血杆菌感染的病理变化。
The pathological changes of haemophilus parasuis infection in swine were studied with the methods of gross anatomy, routine paraffin section and H·E staining.
文章综述了近年来副猪嗜血杆菌病的病原学，流行病学，致病机理，临床症状与病理变化，临床诊断和防治等方面的研究进展。
The aetiology, epidemiology, pathogenesis, clinical symptom and pathological change, clinical diagnosis and vaccination control of the disease were reviewed in this article.
文章综述了近年来副猪嗜血杆菌病的病原学，流行病学，致病机理，临床症状与病理变化，临床诊断和防治等方面的研究进展。
The aetiology, epidemiology, pathogenesis, clinical symptom and pathological change, clinical diagnosis and vaccination control of the disease were reviewed in this article.
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