108 BEGINNINGS IN ANIMAL HUSBANDRY 



The Large Yorkshire, called in England the " Large 

 White," is one of the oldest breeds of swine. Large, coarse, 

 white hogs were bred in eastern and northeastern England 

 before distinctions of types and breeds were known. English 

 writers of over a century ago refer to these large, slow- 

 maturing, narrow-backed coarse white hogs. They were 

 improved by selection and breeding, and this work was done 



Fig. 60. A large Yorkshire sow, owned by the Ohio State University. Photo- 

 graph by F. H. Haskett. 



in part by factory hands and laborers in the middle of the 

 last century. Joseph Tuley was prominent in this work. 

 The Large Yorkshire belongs to the bacon class. As 

 grown today, it is the largest of the breeds. Boars at 

 maturity often weigh 700 pounds or more, and sows 500 

 pounds. The head inclines to be a trifle long, from an 

 American point of view, and is sometimes slightly dished. 

 The ears should be carried erect, but with age they usually 



