ABSTRACT Propolis is a sticky resin produced by
worker honeybees from substances collected from
plants, and it has strong antibacterial and antifungal
properties. The purpose of this study was to establish
the effects of propolis on egg weight loss, hatchability,
chick performance, and to control microbial activity
naturally occurring on eggshells. A total of 750 fresh
eggs was randomly divided into 5 groups. Eggs from
the first group were sprayed with ethyl alcohol (70%,
A), the second group was sprayed with benzalkonium
chloride (B), and the third, fourth, and fifth groups