PORK PRODUCTION FOR RURAL SCHOOLS, 7 
quite a number of hogs. The advantages of the large house are: 
It is more economical for a large number of hogs; it is convenient 
for feeding and affords provisions for saving manure. If the house 
is to be quite large it is usually advisable to arrange the pens in two 
rows with an alley way between. The alley should be 4 to 6 feet 
wide unless it is desirable to have space for the passing of a wagon. 
In that event the alley should be 8 to 10 feet wide. 
The individual house, as the name suggests, is intended for one hog 
or for a sow and her brood. One decided advantage of the individ- 
ual or portable house is that it can be moved from place to place 
Fig. 4.— Individual or colony house. 
and can thus be kept sanitary and made accessible to pastures. 
There are two general styles of individual houses, namely, the box- 
shaped with four upright walls and the A-shaped. The dimensions 
should be 6 feet by 10 feet, or 8 feet by 8 feet. Wooden floors are 
good, but not necessary. The floor should be higher than the outside 
level of the ground, to insure dryness. All houses should be suf- 
ficiently high to permit the attendant to move about them with 
comparative freedom. By placing fenders on the walls a few inches 
from the floor, individual houses may be used for farrowing pens. 
Farrowing pens : When a number of sows are kept on a farm it may 
be desirable to have a regular farrowing pen. A small house pro- 
