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.
Examples of cows with various characteristics: (a) a cow with a back arch, (b) a cow without a back arch, (c,d) the hind hoof reached the front hoof position and (e,f) the hind hoof did not reach the front hoof position (Δ represents the front foot landing position).
