The present investigation was carried out by the aim to evaluate the influence of age of breeders Cobb line 500 on the egg hatchability evaluated through embriodiagnosis in the plant of incubation of Investments Delma S.A.C of the District of Trujillo department of The freedom. To determine the parameters of the motive of study the following indicators were evaluated: hatchability, fertility, birth fertile eggs, chopped eggs unborn, contaminated eggs and embryonic mortality. 1818 eggs were analyzed for three 3-breeder flocks of different ages, 34, 45 and 60 weeks, those same lots was assessed one week of age corresponding to the age of 35, 46 and 61 weeks. To complete the process, extracted 3 shelves above, middle and down and lights out with a flashlight illuminating the upper pole of the eggs, those eggs are clear to light removed for evaluation meeting infertile eggs, mortality of fir...