Title: Japanese quail (Coturnix coturnix japonica ) has been widely distributed in various parts of the world. Japanese quail has been used as a good source for egg and meat; it has been also used in many areas of biological research. It grows rapidly to maturity, the coturnix quail matures sexually of six weeks after hatching, its mating activity was at its maximum between 70 and 210 days of age. It has short incubation period and high rate of lay, the quail may lay more than 300 eggs in their first …