Show Hog flog Growing l Change Changes in methods of growing hogs during the past 11 years typify the progress and transition that are apparent apparent ent In all animal Not many years ago practically practically ally all hogs were grown on pasture Then came Pig Par Par- Parlors Parlors lors the feeding of hogs on concrete In confinement Now insulated ventilated s I 1 a t floor houses seem to be gain gain- gaining ing wide favor among hog raisers Some hogs are still grown by all three of these methods Ralston Purina swine manage manage- management management ment experts who have stu- stu studied studied died these methods have list list- listed listed ed some advantages and dis- dis disadvantages disadvantages advantages of each DISADVANTAGES of the pasture system Include too Iowa low a per acre return on the theland land Jand higher cost for provid- provid providing providing ing feed and water summer dust duct problems problems re- re resulting resulting from from cold and wet weather In spring and fall faU difficulties of effective disease control and the necessity for providing fences adequate water and shade Advantages of pasture hog raising include reduced manure handing costs and very little social problems problems lems among the animals Disadvantages s of feeding leeding hogs on concrete in confine confine- confinement confinement ment Include the manure han ban dUng problem and some so cIal problems most frequent frequent- frequently ly manifested by tail biting Advantages Advant include fast dally daily gains the opportunity for bet bet- better better ter pasture utilization and the simplifying of effective sani tation procedures DISADVANTAGES of insulated insulated ventilated slatted floors include a higher initial cost per hog the necessity of help help- helping helping ing the hog to beat the sum sum- summer summer mer heat some tall tail biting and anda a n necessity for top manage manage- management ment procedures throughout the project Advantages in elude clude the elimination of 01 man man- manure manure ure handling costs using the heat of the hog for winter winter I warmth good daily gains the elimination of bedding re- re requirements re- re requirements and a sharp reduction reduction tion In labor costs I 1 |