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《Progress in Veterinary Medicine》 2018-05
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Comparison of Immune Effects of Different Immune Times in Pigs with Inactivated Swine Foot-and-mouth Disease Type O Vaccine

WANG Xiao-de;LI Zhi-xian;HUANG Jue;HUANG Shi-hui;YU Ting-ting;Hezhou Animal Disease Prevention and Control Center;Hezhou Animal Health Supervision Institute;  
In order to understand the immune effects of porcine foot-and-mouth disease O type inactivated vaccine in production practice accurately,to guide the pig farm to develop a scientific immunization program,control the occurrence of porcine O type foot-and-mouth disease effectively,the weaning pigs immunized with foot-and-mouth disease O inactivated vaccine once,twice and three times were sampled to detect immune antibodies.The results showed that the antibody titer is not high in pigs immunized once and twice,the qualified rates were less than 70%,the immune effect in pigs after third immunization was better,the antibody titers more than 70% pigs reached 8 log2 or more,and results were stable.Therefore,it is advisable for eligible farmers(especially in scale pig farms)to immunize pigs with O type foot-and-mouth disease vaccine three times at a interval of 28 days,to obtain a good immune effect,to ensure high resistance to foot-and-mouth disease O type wild virus,for the healthy development of the pig industry.
【CateGory Index】: S858.28
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