PRACTICAL PAPERS—BUTTER FACTORIES. 
241 
necessary part of the dairy business. The hogs are either kept 
at the factory or upon the farm. When kept at the factory, 
grounds are selected near the buildings, but so situated that 
offensive odors are out of the reach of the milk room and cur¬ 
ing department ; and upon these grounds pens are erected and 
the whey-reservoir is placed. Usually the grounds are large 
enough to give the hogs sufficient space fora range in the open 
yard. The pens are arranged so that each patron of the factory 
can have a place for his swine separated from the rest. The 
patrons therefore may keep their hogs in separate pens or 
allow them to run in common. 
Monitor Carrying Cans, for Milk. 
Fig. 32. 
Pipes are arranged so as to conduct the whey from the res¬ 
ervoir to the troughs simply by opening the whey gates or a 
faucet. By this arrangement the feeding troughs are so sup¬ 
plied that each animal gets its daily rations of whey. 
Each patron is allowed the keeping of one hog for every 
four or five cows from which he delivers milk. The proportion 
of hogs varies of course with the supply of whey. Patrons . 
16—Ag. Tr. 
