290 BUILDINGS, SANITATION, AND DISEASES 



quite comfortable for new-born pigs. By the time the pigs 

 are twenty-four hours old, the pen will need no artificial heat. 

 A pen such as this will be found much safer for winter litters 

 than a large building where other pigs are kept. 



The various plans which have been submitted are capable 

 of many modifications, and the man gifted with a little in- 

 genuity may be able to improve upon them so far as his con- 

 ditions are concerned. They are presented in the hope that 

 they may prove suggestive of ideas to the man who intends to 

 build, and each man must decide for himself what modifications 

 would render them most suitable to his circumstances. 



REVIEW, 



1. Tell of the necessity of dryness for swine quarters. 



2. Give several advantages of having good ventilation without draft. 



3. Describe the intake pipe of a King ventilation system. 



4. Describe the outlet shaft of the King ventilation system. 



5. Tell how cooker pipes and chimneys may be used to aid ventilation. 



6. What are the advantages of direct sunlight in a piggery? 



7. Give several good features of the piggery such as that built by 

 Mr. Brethour. 



8. Tell how to insulate the concrete floor of the sleeping bed. 



9. Give two important advantages of such insulation. 



10. Give several criticisms of the Brethour piggery. 



11. Give the good points and any bad points you may discover in the 

 plan of the " small piggery." 



12. What are advantages of portable pens? 



13c Give the general plan of the portable pen you would prefer. 



14. Tell how to make the portable pen warm enough for farrowing in 

 very cold weather. 



15. How are portable pens most easily moved to a new location? 



