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.
Impact of a green tea extract (GTE 20 or 40 mg/L respectively) on in vitro gas production using either concentrate (A) or grass hay (B) as substrates. Controls were run without the addition of GTE. Values are means + SEM, of 4 (A) or 3 (B) observations, respectively.
