562 



IOWA DEPARTMENT OF AGRICULTURE. 



The temporary fence between the 12 and 8-acre divisions of the clover 

 field consists of ordinary hog wire fastened to driven posts. These posts 

 may be set at any time during the fall or winter when the ground is in 

 proper condition. 



E E E £ E E 



Fig. 1— Arrangement of shelter houses in the field. A A Is the partition fence that 

 separates the yearling hogs from the sows and pigs. B is the special pen in which 

 the small pigs get their grain. C, C are two shelter houses, 8 by 14 feet; they stand 

 facing each other, about 70 feet apart. D is a temporary shed, covered with straw, 

 which furnishes ample shade in hot weather. E, E, E, E, E, E are small A-shaped 

 houses, each large enough for sleeping quarters for a sow and her litter. Most of 

 the sows sleep in the shelters C, C, or under the open shed D. F, F are shelter 

 houses, 8 by 14 feet, like C, C, for the yearling .hogs. G is shed similar to D. 



SHELTERS. 



The arrangement of the shelters during summer, when the hogs are 

 on clover sod, is shown in figure 1. 



