EXPERIMENT STATION BULLETINS. 



201 



pen; this form was used because of the outer door being in the center of the 

 pen, thus leaving insufficient room for the overlay in the corner. This overlay 

 is in two sections, each two and one-half feet wide so that it can be lifted easily 

 in cleaning out the pen or thrown out in the sun to dry, or put in the loft for 

 storage during the summer. The two sections are held in place by four blocks 

 tacked on the two-by-fours at the bottom of the partitions. This arrangement 

 leaves plenty of room for feeding at the trough and space for the manure near 

 the door. The greatest objection to this form of overlay is that because of its 



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location between the trough and door, the pigs have to cross it frequently, thus 

 not only soiling it but dragging the bed off on the floor as well. This objection 

 is sufficient to urge strongly against this form of overlay. Fig. 4 shows an over- 

 lay 6x8 feet in one corner of a pen with the door in the opposite corner. This 

 plan is possessed of the advantages of providing more shelter for the bed when 

 the outer door is open and the pigs can go in and out without crossing the bed. 

 The accompanying Illustration 1 shows nine 180-pound pigs bedded down com- 

 fortably on this overlay. This latter form of overlay is hinged to the wall so 

 that when the pen is cleaned out it is tipped up, bedding and all, and any filth 



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