EXPERIMENT STATION REPORTS. 



247 



storage houses. As each case is a special one considerable time is re- 

 quired to handle these inquiries. This seems warranted in view of the 

 fact that we have the co-operation of the individual in observing the 

 operation of the system and noting the results. 



Three houses in particular, two private and one owned by a co-opera- 

 tive association have recently been built embodying principles brought 

 out by our investigations. These houses will be under our observation to 

 determine with what success the}^ operate. 



A new root storage house is about to be completed on the College 

 Farm. This house was designed so that various systems of ventilation 

 may be operated and very carefully studied. 



A piggery designed by this department has been built for the college 

 herd on a site south of the Red Cedar river. This plant consists of a 



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Fig. 3. — Cross section showing construction of each wing. 



two-story structure with a one-story wing to the East and one to the 

 West with a separate building for the heating plant. The two-story 

 portion is 30 ft. x 52 ft. and provides storage for grain and roughage, 

 cooking vats, horse stalls, scales, and a room for an attendant. The 

 east wing 26 ft. x 66 ft. 6 inches provides twelve pens for experimental 

 purposes. The west wing 26 ft. x 48 ft. 6 inches contains twelve farrow- 

 ing pens. The center building is of frame construction on a 4 ft. 6 in. 

 solid concrete wall. The sidewalls of the wings are solid concrete, the 

 roof being frame with asphalt shingles and ceiled under the rafters with 

 6 in. flooring material. The troughs and floor are of concrete with cork 

 brick in the nestings beds. The pen partitions are of iron pipe. Each 

 pen is provided with an outside run which is cemented. 



An over-head track equipped with a swill carrier and a litter carrier 

 runs the entire length of the center alley, and out the south door. 



