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.
Relative testes size following long-term exposure to white, red, or blue lights. Blue or red light could not maintain relative teste size compared to white light on long day lengths. Ducks that were switched from short-day white light to long-day, red + blue light showed gonadal recrudescence. Letters indicate treatment groups that illustrated statistical differences, P < 0.01.
