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 adaptations that provide superior visual acuity relative to other vertebrate groups. Birds, unlike humans but similar to fish, amphibians, and reptiles, have 4 types of color receptors in the eye and have more nerve connections between the photoreceptors and the brain