GENERAL SWINE MANAGEMENT 



31 



Feeds and Feeding 



A food has been defined as any substance which may ser-ve 

 nutritive purposes. The natural demand for nutritive substances 

 depends upon the waste. For maintenance certain elements or food 



3'6" 





Iron Bolt 



3'0 



Y V, 



Tront Elevation 



' — r6-' — 



Section 



l=di 



Perspective with Roof 

 Removed 



BILL OF LUMBER 



Name 



TROUGH 



BACR.SIOEti, COVER 



CLEATS 



No. Dimension Bd. Ft. 



/ 



^" '/?••« 3' 



/'6'« 3 



2 ■■"?"« 6' 



r , 6'. \Z 



!■■■<' lO' 



■W 



4Z 



b% 



bh 



TOTAL Z' STUFF (3 



STRIPS (6R0UMD5) JZ-LINEAR FEET 



HARDWARE 



i-^'-3'^" BOLT WITH WINGED NUT 



>?- PLATES C"g"> 4" 



Z- ^" T HINGES 



ai|6 PENNY NAILS 



Fig. 5. Small one-way self-feeders. (Cir. 119, Col. of Agri., U. of Wis.) 



compounds are required; therfore the elements consumed not only 

 require a certain quantity but must have a definite quality. A com- 

 plete ration contains both organic and inorganic substances. The 

 organic foods are nitrogenous and non-nitrogenous. Nitrogenous 



