338 VETBRINAEY HYGIENE 



while its height should be such as to give 2,000 cubic 

 feet of air space. The bull box should communicate with 

 a yard stoutly enclosed, where he can take exercise. 



Our consideration of a dairy farm has embraced the 

 question of the dairy proper, the cow-house, calf-pens and 

 bull-box. The drainage as a whole will be dealt with later, 

 the only thing left for consideration regarding cattle is the 

 rooms intended for the preparation of food. 



Food-preparbui Rooms. 



If cooked food be given to cows, and we have seen 

 previously that some authorities urge it, then arrange- 

 ments should be made to accommodate the boiler or steamer 

 in a separate comjDartment, so as to avoid the risk of fire 

 and escape the moisture-laden atmosphere. To provide for 

 the latter there must be both ridge and wall ventilation ; 

 this room by means of a tram line should communicate 

 with the one where the food is actually prepared — -viz., 

 chaff cut, roots sliced and cake crushed ; while this in turn 

 is in direct communication with the place where the food 

 is stored. 



All these places are connected with the tram line by 

 turn-tables placed at necessary points. No food of any 

 kind should be kept in the byre, but the food depart- 

 ment must be placed in communication with the cow-house 

 through the tram line. 



In a large establishment the machinery required in food 

 preparation would be driven by steam, in smaller places by 

 hand. With the tramway system, which has been in vogue 

 many years, the labour of distributing the food is reduced 

 to a minimum. 



Other Animals on a Dairy Farm. 



On all farms pigs are kept. They are economical, and 

 utilize a great deal of what would otherwise be thrown 

 away. Nowhere is this more felt than on a dairy farm 

 where butter and cheese are made, and the separated milk 



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