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.
Development of hypopharyngeal glands during the nursing period of honey bee workers (at 6 and 12 d; N = 5 colonies per treatment). The control diet is rape pollen, and the dietary protein levels in the diets are as follows: diet 1, 25.0% CP; diet 2, 29.5% CP; diet 3, 34.0% CP; and diet 4, 38.5% CP. Different letters signify significant differences at P < 0.05.
