Show Grading Up Un L Dairy Herd Hera by Using v vAt Pure-Bred Pure Sire She SheAt At Lai rate will a n grade r animal be he bred up II by the u ure 1 o of at a pure bred she Ire and the tIll re resulting off offspring rp ring of ot each cross Tile The o n spring offspring from UI the first first cross of If a inure purebred sire on ou a n agrade agrade grade female will be he r 50 0 O per Iler cent relit grade and HO iO per cent lent pu pu P This offspring off oY- spring prill then Inca bred to a pure bred sire produce I an un offspring who whose e makeup make make- makeup up I Is 23 G 5 per cent ent gra grade l' l and 7 7 Ta per pcr percent cent bred hrell n fly Iy continuously this operation the time grill grade blood will theoretically he bred out though for tor registration such an animal i ilia I can run t n never r become eligible In the seventh e g genn gon- gon n. n tic HIP animal will he be DJ 19 per pel percent percent cent pure h cd ed |