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Serum NAb titers (MDA) in the offspring of one sow immunized with E2CD154. The sow received two injections of E2CD154 during the first trimester of pregnancy. Serum was collected on different days from six piglets and NAb titers were measured by NPLA. The GM and the confidence intervals of MDA titers are represented. The animals were kept in controlled conditions in an experimental station during the study.
