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.
Duration of tonic immobility in two ecotypes (1 = Yoruba and 2 = Fulani) of Nigerian indigenous chicks at days 7, 14, and 21 post-hatch. abMeans differ at P < 0.05 at day 7 post-hatch. Outliers in the data are depicted by the symbol “* or °”.
