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.
Bursa of Fabricius appearance of broiler chicks at hatch. Follicles within 1 fold were counted (A; n = 96 in this example). Side branches (B; arrow) were included. Follicle length, width, and circumference was measured (C; example 2 follicles). Cell density within follicles was determined by converting the image to black pixels and counting no. of black pixels (D).
