Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Serum IgA antibody response. Peripheral blood was collected weekly from all calves during the length of the vaccination study. Intimin-specific serum IgA antibody concentrations were measured by ELISA. The bar graph depicts the mean (± standard deviation) of animals in each group. Normalization of data was performed by subtracting the OD410 of diluent-only wells from experimental values.
