An official website of the United States government
Here's how you know
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 changing law of egg quality in the late laying period. Column charts indicate the egg quality of the control group. Column charts not sharing a common capital letter differ significantly (P < 0.01).