FEEDING BY-PRODUCTS 



393 



milk each per day. No difference could be detected be- 

 tween the two lots as to thrift and feeding ability. 



Two other tests were made in the summer, one with 

 pigs between 50 and 120 days old (Lots V and VI in 

 the following table; two barrows and three sows in each 

 lot), and another with pigs between 58 and 128 days old 

 (Lots III and IV: one barrow and three sows in each 

 lot). These tests showed the following results : 



SKIM MILK vs. tankage; TESTS WITH PIGS BETWEEN 50 

 AND 128 DAYS OLD 



In order to verify results of the foregoing tests, two 

 lots of pigs were given corn meal and middlings in tlu 

 same proportion as the lots of the preceding table, but 

 without skim milk or tankage. This served as an indi- 

 cation of the value of both skim milk and tankage. Re- 

 sults in the "check test" were made with pigs not used in 

 tlie preceding tests, and somewhat older. The check test 

 was summarized as follows : 



