62 



LIVESTOCK ON THE FARM 



pig. Barring this one, the other two gilts from Fig. 10, which 

 were htter mates to those of Fig. 9, farrowed 10 pigs or an 

 average of five per sow; while the four gilts of Fig. 9 farrowed 



-r^-e 



"""^^^MiiZ 



Fig. 9. — Type vs. prolificacy. Chester White gilts Nos. 1, 2, 3 and 4. 



an average of almost nine pigs. This again is a striking 

 illustration showing the correlation between type and pro- 

 lificacy. 



Fig. 10. — Type vs. prolificacy. Chester White gilts Nos. 5, G and 7. 



" Granting again that part of this may have been accidental, 

 the difference seems to indicate a tendency for sows of the 

 correct type to produce larger litters than those that are not 



