PIGGERIES AND PIG PENS. 147 



inside, about six inches from the sides of the pen and 

 about one foot high, but the sows before pigging take 

 special pains to fill the space with straw, and we are satis- 

 fied that if they did not, the little pigs, when born during 

 a cold night, would often get on the backside of the sow 

 and be chilled to death. 



The accompanying plan of a piggery (fig. 29) is furnish- 

 ed us by Dr. M. Miles, Professor of Agriculture in the 

 Michigan Agricultural College, who writes : 



" It needs but little explanation, except in regard to the 

 backside of the building. The lean-to is a shed, open above 

 the pen partition, that separates it from the yard. This 



Fig. 29. PIGGERY AT THE MICHIGAN AGRICULTURAL COLLEGE. 

 ELEVATION. 



opening may be closed in winter, if desirable. The up- 

 right, or main building, is not boarded up below the roof 

 of the lean-to. Figure 30 gives the ground plan. The 

 curved, dotted lines, show the swing of the doors, and 

 the straight, dotted lines, mark the position of the low 

 partitions, enclosing the bed. The plan of arrangement 

 can be carried out with a single pen, or it can be indefinite- 

 ly extended for large establishments. The shed for pro- 

 tecting the manure can be readily cleaned out by a cart 

 or wheel-barrow, running through the open doors, between 

 the shed pens, while the swine are shut out in the yards, 

 or in the front pens. I have not attempted to show the 

 arrangement of the troughs, but simply mark their posi- 



