Five Tetravit Eggs is an egg booster that prolongs laying period of birds and provides quality of embryos and eggshells. It also stimulates peak production with a percentage that is over 90, maintains high production level throughout the laying period and increases egg production when there is a drop in performance caused by stress. There is even more as it reduces mortality throughout laying period, improves fertility and hatchability, prolonging breeding period and enhances the metabolism, improving digestive process, nutrition absorption and weight gain.