SWINK '2{)i'l 



Pigs seem to be very plastic. Characteristics seem to bo ac- 

 quired very readily and also transmitted to the offspiing. 



Fi(j. 40. — Largr Yorkshire sow, two weeks before farrowing. 



Fn;. 47. — Berkshire boar, sliowing Icngtli of })(id>'. 



Therefore, if one's hogs are to do well tliey should Ije fr(Kn an- 

 cestry that were strong and vigorous and that grew rapidly and 

 economically. 



