Care and Management of Sheep. 451 



80-lb. lambs in each lot, fed for 105 days, and from the Minnesota 

 Station 1 with eight 80-lb. lambs in each lot fed for 117 days. 



Trials with "self-feeders" for fattening lambs. 



In each trial the use of a self-feeder increased the amount of feed 

 required for 100 Ibs. of gain. (497) 



Carlyle and Morton of the Colorado Station 2 report favorably on 

 self-feed hay racks for Colorado conditions. Backs, costing $1 per 

 running foot and accommodating four lambs per foot, two on a side, 

 save sufficient feed to pay for themselves in two seasons. 



732. Fattening sheep of different ages. At the Montana Sta- 

 tion 3 Shaw compared the fattening qualities of average western range 

 lambs, 1- and 2-year-old wethers, and aged ewes. Each lot of about 

 50 was fed whole barley and clover hay for 88 days with the fol- 

 lowing results : 



Fattening range sheep of different ages. 



It will be observed that all lots, except the aged ewes, made prac- 

 tically the same daily and total gains. The lambs, however, con- 

 sumed but little over half the hay eaten by the others. About the 

 same amount of grain was required by all but the aged ewes. Other 

 trials at the same Station 4 showed that lambs make more rapid and 



1 Bui. 44. 



2 Bui. 151. 



3 Bui. 35. 



4 Buls. 47, 59. 



