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Fig 2. Effect of traditional and heterologous prime-boost vaccination regimens on the breadth of the anti-H3N2 antibody response. European and North American H3N2 SwIV strains are indicated by different flags. Sera collected 14 days after the second vaccination were tested against 15 antigenically distinct viruses including the vaccine strains. The numbers represent the number of viruses against which HI antibody titers were ≥ 40.

采取不同的措施进行猪流感疫苗接种

10-1月-2019

流感研究人员正试图刺激针对HA中各个毒株之间变化最小的部分的抗体反应。一种看起来很有希望的方法是在H1H3亚型中选择两个抗原性非常不同的毒株用于初免和随后的加强免疫接种。

The autopsy of ETEC diarrhoea cases usually shows dilated, congested thin small intestine loops filled with the watery yellow diarrhoea

猪的大肠杆菌感染2

断奶后大肠杆菌病和水肿病是猪养殖中常见的全球性感染 - 这些大肠杆菌菌株似乎在大多数猪场中存在,故目前根除不是一个选择。 用产肠毒素大肠杆菌疫苗接种母猪或后备母猪对断奶后大肠杆菌感染没有影响。

Acute pleuropneumonia in swine: three observations (indicated by arrows) can frequently be made: consolidated areas that are from dark red to black, interlobular edema and fibrinous pleuritis. Picture courtesy of Dr Robert Desrosiers

预防由胸膜肺炎放线杆菌引起的疾病

21-5月-2018

猪的急性胸膜肺炎:常可观察到3种病症(箭头所示):实质区从深红色到黑色,小叶间水肿和纤维性胸膜炎。图片由Robert Desrosiers博士提供

本文阐述了预防胸膜肺炎放线杆菌的主要措施,着重于抗菌剂和疫苗的使用。