Khaki Campbell ducks seldom hatch out others' young; however, in very communal situations do hatch large broods together. Most brooding behavior has been sacrificed in exchange for prolific egg laying ability in this breed. The ducks, when raised by hand, are not usually defensive of their eggs or nests, making collection of eggs very easy. Mechanical incubators or broody chickens are used to hatch out Khaki Campbell ducklings when ducks are not present in the process. Incubation takes approximately 23 to 28 days for a Khaki Campbell duckling to hatch and eggs need to be inspected for ducklings that have not emerged
Khaki Wars. Khaki was devised to protect soldiers against the dangers of the industrialized battlefield, where the traditional bright colors and elaborate costumes made them vulnerable to attack. A response to surveillance technologies and smokeless powder, khaki could camouflage soldiers in the field of battle. The trousers known as "khakis", which became popular following World War II, were initially military-issue khaki-colored chino cloth twill, used in uniforms and invariably khaki in color. Today, the term is sometimes used refer to the style of trousers based on these trousers, properly called chinos, regardless of their color. At right is displayed the color