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.
O2 supplementation elevated the overall performance of Tibetan chickens. (A-D) The body weight, average daily feed intake, and average daily weight gain of TBC in the OSG were obviously increased, especially on day 14. At the same time, the feed conversion ratio had a lower value than NHG. The data are expressed as the mean±SD. Student's t test, *p<0.05, **p<0.01, n=4 cages for each group; ns: not significant; NHG: natural hypoxia group; OSG: oxygen supplementation group.
