| 摘要 |
FIELD: chemistry.SUBSTANCE: invention relates to biotechnology. The method of treating or preventing a PCV2 infection or reducing clinical symptoms caused by or associated with a PCV2 infection in animals, having anti-PCV2 antibodies, involves single-step administering of an effective amount of a PCV2 antigen to the animal in need of such treatment or preventive treatment.EFFECT: use of the disclosed method prevents adverse interaction of maternal anti-PCV2 antibodies with the PCV2 antigen, thereby becoming real vaccination or treatment for animals aged up to 3 weeks.18 cl, 3 dwg, 5 tbl, 4 ex |
