36 DISEASES OF SWINE 



new boar was added, known as a Normandy hog. This breed was 

 of a somewhat unknown strain, but probably of French origin. 

 Todd became famous as a breeder and exhibitor of fancy hogs, and 

 at the early meetings of the Ohio State Fair in the 60's his pens 

 were decorated with the blue ribbons. 



About this time be became interested in the Pennsylvania 

 swine, and some Chester-White blood was imported from the vicin- 

 ity of Westchester. A little later his son assumed active manage- 

 ment of the farm, and more Chester-White stock was added to 

 the breeding pens. For nearly half a century this family devoted 

 itself to the upbuilding and popularizing of the Chester-White 



Fig. 5. — Excellent type of Chester-White boar. (Photo loaned by "White 

 Breeders' Companion.") 



animal, and they are unquestionably among the foremost improvers 

 of the breed, an honor which thej^ share with Thomas Wood, of 

 Chester County, Pa. 



Owing to the fact that the pure-bred Chester-White hog 

 often shows a few black markings, the claim has been repeatedly 

 made that Poland-China stock has entered into the development 

 of the breed. Color has been added to this claim also by the fact 

 that Ohio is the state in which the Poland-China hog has been 

 developed. Mr. Todd absolutely denies this fact, however, and 

 declares that Poland-China blood has never been used to cross the 

 breed as developed by him. His explanation of the black markings 



