By testing the serum titers of vaccinated ducklings, it was demonstrated that the immune protection period for ducklings of this BAU-1 vaccine was more than 6 weeks.
通过对免疫雏鸭的血清抗体滴度进行测定，证实该BAU - 1疫苗对雏鸭的免疫保护期在6周以上。
Piglets of each groups were vaccinated respectively with recombinant protein vaccine, commodity vaccine and PBS as contrast. The serum IgG anti-protein of each groups were detected by indirect ELISA.
分别以重组蛋白疫苗、商品疫苗和PBS免疫仔猪，优化检测免疫抗体水平的间接ELISA条件，通过比较三个免疫组的抗体水平来评价表达蛋白作为免疫抗原的有效性。
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