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.
Villous height to crypt depth (VH:CD) ratios of piglets inoculated with recombinant viruses icPDCoV, icPDCoV-SHKU17 or icPDCoV-RBDISU. OH-FD22 and mock groups were controls. Groups with significant differences (**** p < 0.0001) are indicated with different letters.
