论文部分内容阅读
暴发性鱼病的判断与防治淡水养殖鱼类暴发性传染病即细菌性出血性败血病是当前的一种新病,其来势猛,可使鱼陆续死亡。患病鱼体有鲢、鳙、鲫、鳊、鲤等,这些被感染的对象中,大部分反应先死鲫鱼,而且一般多为二龄或近二龄鱼。外表看,均以体表充血发炎为其特征,尤其是...
Judgment and Prevention of Outbreaks of Fish Diseases The outbreak of infectious diseases known as freshwater-cultured fish, bacterial hemorrhagic septicemia, is a new disease that threatens to kill one after another. The sick fish have silver carp, bighead carp, crucian carp, bighead carp, common carp, etc. Most of these infected objects react crucian carp first, and are mostly second- or near-second-instar fish. Appearance, are characterized by congestion of body surface inflammation, especially ...