Immune response and production perfomance in piglets vaccinated at 15 and 21 days old against circovirus infection

Abstract

The aim of this research was to determine the effect of vaccination on the amount of antibody titers specific for PCV2, and to determine the effect of vaccination on characteristics of pig production. The first group (A) was vaccinated at 15 days old, the second (B) at 21 days old while the third (C) was the control group. Group B piglets attained the best results, so the vaccination of piglets at 21 days old would have an advantage compared to vaccination at 15 days old, although we note that at 15 days old, there is a far greater influence of maternal antibodies on the creation and development of immune responses in the piglets after vaccination.