



m^z^-:^^,-:^ 



Fici. 89. Fi sow from ctu^.s, Borksliiro X Yorkshire, and pigs produced by a back -cross with Berkshire 

 boar. Note 1 : 1 ratio and modifie<l spotting. (After ^Y. W. Smith.) 



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Fig. 90. Hampsliir 



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Flo. !)1. Belted red sow. This l>reed produeeil by Q. I. Simpson by crossing black belled (Hampshire) 



with self red (Taiiiworth and Duroc) swine. 



