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.
The plasma concentration of insulin-like growth factor 1 IGF-1 (A), growth hormone GH (B), osteocalcin OC (C), and leptin (D) in 42-day-old chickens in control groups and supplemented with organic Zn in 25% of recommended dose with or without phytase inclusion. Data given are LSMeans ± SEM; a, b, c–values with different letters differ significantly at P<0.05. The description of the groups as in the Fig 1.
