Show Breed Up Grade Animal by Us Use of Pure Bred BreU BredAt At what rate win will vIli a grade animal he be bred bredrup up by the use of ot a n pure bred sire and the tue resulting offspring of ot each ench cross The offspring from the fit first cross of a pure bred sire ona on ona ona a grade gi-ade fem female e will be 50 per cent grade grale and 50 GO per cent pure bred This offspring then bred to a n pure bred brod sire will produce an offspring in whose make up eup Is 25 per cent grade nde and imd 7 75 per cent hr pure pur bred d. d By con con- repeating this operation the grade glade blood will theoretically y be broil bred out though for or registration such an on animal can cnn never become eligible In the seventh generation the animal anima will III be be- per fler cent pure pure iture bred |