276 



STATE BOARD OF AGRICULTURE. 



weight to the weight and finish demanded by the market, between two 

 hundred and two hundred and fifty pounds. 



This experiment consisted of a series of four tests, with two pens of 

 pigs in each case. The rations were not all alike. In the first two tests 

 the rations were, on the one hand, corn meal and tankage, and on the 

 other, corn meal only. In the other two tests of this series one ration 

 was made up of corn meal, middlings and tankage, and the other of 

 corn meal and middlings. Middlings were used more freely in the latter 

 tests because they were considerably cheaper than corn at the time of 

 purchase. 



TEST NO. 1. 



Digester Tankage and Corn Meal vs. Corn Meal Alone for Fattening 



Pigs. 



The ration for lot IX consisting of tankage and corn meal was made 

 up of 5 parts corn meal and 1 part tankage by weight; both this ration 

 and the one consisting of corn meal only, for Lot X, were made into 

 a thick slop for feeding, by adding water. 



The animals used were purchased for the experiment and consisted 

 of eight Duroc Jerseys farrowed in July, 1904; these pigs had been run 

 on pasture during the open season with little grain feed and as a re- 

 sult only averaged 120.5 pounds per head when put on feed January 25, 

 1905, for the 70-day test. 



The following table gives the results of this test : 



Attention is directed to the fact that the tankage formed one-sixth 

 of the meal ration for Lot IX, and because of its large proportion and 

 greater cost, the cost of production was rendered greater despite the 

 fact that the gains were larger. During the seventy days of this test 

 the four pigs of Lot IX consumed on an average 4.76 pounds of corn 

 meal and .95 pound tankage per head daily, while increasing in live 

 weight from 120.15 to 231.75 pounds at the rate of 1.59 pounds per 

 head daily. During this same time the four pigs of Lot X consumed 

 an average of 5.09 pounds corn meal per head daily, while increasing 

 in live weight from 121 pounds to 216.4 pounds at the rate of 1.36 

 pounds per head daily. 



