Swine husbandry in Canada . her,and this is usually attended with dire results for the pigs. Probably the most satisfactory ceiling at the present time is one constructed ofboards or poles separated at such a distance as to be easily pervious to the atmos-phere. This, when covered several feet deep with straw, provides perhaps the mostsuitable style of ventilation, and therefore the driest pen that may be secured withoutartificial heat. A number of extensive hog breeders in the country have resorted to the use ofartificial heat in their hog pens. This is provided, not so much for the sake of t
Swine husbandry in Canada . her,and this is usually attended with dire results for the pigs. Probably the most satisfactory ceiling at the present time is one constructed ofboards or poles separated at such a distance as to be easily pervious to the atmos-phere. This, when covered several feet deep with straw, provides perhaps the mostsuitable style of ventilation, and therefore the driest pen that may be secured withoutartificial heat. A number of extensive hog breeders in the country have resorted to the use ofartificial heat in their hog pens. This is provided, not so much for the sake of theheat for the animals, but for the cooking of foods. The escaping steam from the«ooker should not be allowed to escape into the hog pen on account of the moisturethat it would deposit in the building. Where such a system of heating is installed the•question of ventilation is very easily solved, and the pen is usually comfortably warmth, however, for any class of live stock has its disadvantages in render-. Fig 27.—A well lighted Piggery. ing the animals kept within its influence subject to colds and lack of vigour. Whereonly a small number of sows are kept, there is no better pen for farrowing sows incold weather than a box stall in a cattle stable, which seems to possess a warmth andcondition of atmosphere suitable to the young pigs. The question of light is receiving much greater attention than it did years pen where swine are kept, more particularly in the winter season, should havean abundance of sunlight. To get this a large proportion of the wall on the east,south and west sides should consist of windows, which should be made double andvery close in order to conserve the warmth of the pen. 50 There is no better material for a bog-pen floor than cement concrete. This, bow-ever, is not a suitable material for tbe bogs to lie on as it is usually cold and in manycases damp, even though large quantities of bedding are used. An elevated sleepingpe
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