22 



FARM APPLIANCES. 



Here the swinging shutter keeps the pigs away from the 

 trough, or admits them to it, at the will of the attendant, 

 and the trough may be conveniently cleaned out or filled, 

 without any interference by the ravenous herd. Figure 

 18, shows an improved shutter for the trough last de- 

 scribed. The improvement consists of strong bent irons 



' 18. IMPROVED TROUGH WITH SHUTTER. 



securely screwed or bolted to the swinging shutter on the 

 inside above the trough, so that a strong pig can neither 

 get into the trough, nor push others away, and get the 

 lion's share. Assuming that ground, soaked or cooked 

 food can only be fed out of troughs with advantage, that 

 pigs will eat and digest well a great deal more cooked 

 food than they will raw, and that the more food a pig 

 eats and digests the more profit there is in feeding him, 

 it is easy to see the importance of good pig troughs. 

 The engraving, figure 19, represents a good trough for 



Fig. 19. DOUBLE FEEDING TROUGH FOR PIGS. 



pigs. The sides of the trough are firmly nailed to the 

 end boards. An upright board, which runs lengthwise 



