As artificial illumination is the only source
of light provided to birds in modern poultry
houses and light influences both reproductive
and production responses in domestic fowl, the
duration, intensity, and quality of light have become
important environmental factors [1]. It is
integral to sight, including both visual acuity
and color discrimination [2]. Vision is the most
important sense for birds, as good eyesight is
essential for safe flight, and birds have several