80 



SWINE 



a manner similar to the Large Yorkshire, namely, by 

 Chinese crosses on Old English sows, but they were bred 

 and selected with an entirely different type in mind, be- 

 ing small in size with a short head, compact body and 

 short legs. In quality they were good and in color white. 

 Then came the Middle Yorkshire which is a cross be- 

 tween the Large Yorkshire and the Small Yorkshire. 



Method of Procedure. — The first step in the develop- 

 ment of the Large Yorkshire was by using the Leicester 

 on the Old Yorkshire. This strain of hogs, as above seen, 

 was similar in breeding to the Old Yorkshire, but was 

 better in quality. Since they were developed in different 

 localities, it cannot be said they are so closely related as 

 to make this inbreeding. 



PKDIGREE OF DEVELOPMENT OF LARGE YORKSHIRE. 



Small 



Yorkshire . 



, „. , ( Descended from 



pl^^^^e isuslndica 



Yorkshire (Lei- 

 cester cross) 



[Old English Hog. 



Leicester. . 



. Old Unimproved 

 Yorkshire 



I Descended from 

 I Sus Scrofa 



f Chinese . . . 



I Descended from 

 I Sus Indica 



[oid^Englishj^--^^/-- 



( Chinese 



I Descended from 

 I Sus Indica 



loid^EngUsh|D^--d-i^'-om 



In 1860 the Leicester cross of the Old Yorkshire was 

 further improved by selecting the largest sows of this 

 breed and mating them with the boars of the Small York- 

 shire breed or Small Whites. These were then bred 

 among themselves, taking care that they were not too 



