Show sanitation pays A survey of hog production methods on 80 farms in sedgwick Wash iriT ton and yuma counties colorado shows the benefits of the clean ground method of raising hogs farmers there who change their hog lots at least every two years are saving an average of six and one half pigs per litter compared with four and one fifth pigs per litter saved by those who simply clean their farrowing furrowing far rowing houses but aut let the pigs run on old ground farmers who neither change lots nor clean the furrowing farrowing far rowin rowing houses are saving an average of three and nine tenths pigs per litter which la Is considered too low to enable the grower to break even on the enterprise wallaces farmer |