402 AGRICULTURE 



expensive and drafty if built above ground. They also har- 

 bor rats, which not infrequently kill young pigs. A dou- 

 ble trough may supply each pair of pens. Young pigs 

 should have their own troughs outside the main pens. 



Lighting and ventilating hog-houses. It is not un- 

 common to find hog-houses that cost several thousand dol- 

 lars built almost without windows or other means of admit- 

 ting light, air and sunshine. Other houses are built with 

 windows in unfavorable positions, so that the sunlight can 

 not fall on the floor of the pens where it is needed by the 

 pigs. 



The hog-house should run east and west, so that it may 

 have one full side exposed to the sun. This arrangement 

 will necessitate having one row of pens' along the north side. 

 In order to get sunlight into the north pens, the "broken 

 roof" style of building is used. Care must be taken to place 

 both upper and lower windows at such a height that the 

 sunlight will reach the floor during the winter and early 

 spring months, or during the farrowing season. 



To do this, the angle of the sun, say in February and 

 March, and the width of the building must be carefully com- 

 puted. At the latitude of southern Iowa, or central Illinois, 

 Indiana, Ohio and Nebraska, the tops of the upper win- 

 dows of a hog-house twenty feet wide should be ten and 

 one-half feet from the ground. The windows should be 

 placed higher in southern and lower in northern states. 

 If the north pens are eight feet long, and the alley is four 

 feet wide, the sunshine will just reach the back line of the 

 pens at ten o'clock and at two o'clock on the first of March. 

 Care to such details will save the lives of many young pigs 

 farrowed in the northern states during early spring. 



Individual hog cots. Many hog raisers are now pro- 

 viding two types of hog-houses, the large permanent house 

 for farrowing purposes, and the small individual cot for 



