Figure 1.
Salivary cortisol concentrations in piglets change after castration and tail docking. The black lines inside the boxes mark the medians. *P < 0.05; **P < 0.01.
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.