Kew Yokk Agricultural Experiment Station. 97 



part of the laying season. Lots XIX and XX were alike at the 

 start, containing equal numbers of two-year-old Wyandotte hens. 

 Lots XVII and XVIII contained equal numbers of Leghorn pul- 

 lets. The pullets in Lot XVII had been fed from the day they 

 were hatched a ration which contained a large proportion of an- 

 imal food, while those in Lot XVIII had been grown on a ration 

 of vegetable food supplemented by some skim milk curd. Some 

 of the pullets in both lots had been laying for some time before 

 this experiment began but those in Lot XVII had commenced 

 laying several weeks younger than those in Lot XVIIL The 

 hens in the other two lots had been treated alike until used in 

 this experiment. Lots XVII and XIX Avere fed the ration con- 

 taining animal meal described on page T7 and Lots XVIII and 

 XX were fed the contrasted ration. 



The accompanying tables give the data averaged for periods 

 generally of four weeks. 



7 



