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.
Daily body weight. Rats in the NH group were weighed on days 2, 6, 9, and 12; all other groups were measured daily. All groups showed increases in weight. Sprague–Dawley rats were heavier at baseline and gained significantly (P < 0.01) more weight across days than did Lewis rats. Error bars represent 1 SD.
