HOBSES AND STABLES. 



. CHAPTER 1. 

 VENTILATION AND CONSTRUCTION OP STABLES. 



1. Importance of pure air. 2. Circulation of the Wood. 3 Effect of 

 breath on air. 4. Composition of the air. 5. Circulation of the air. 

 6. Natural facilities for ventilation. 7. Escape of foul air. 8. How the 

 place of foul air is supplied. 9. Amount of cubical space required by horses 

 in stables. 11. Faulty plans of construction in stables. 12. True prin- 

 ciples of construction. 13. Louvre boards. 14. Plans of ceiling. 15. 

 Ventilation of stables with rooms over them. 16. Paving. 16a. Drains 

 and paving. 166. Litter sheds. 17. Floor of the stable to be higher 

 than the ground outside. 18. Drainage. 18a. Underground drains. 186. 

 Health without drains. 19. Slope of stalls. 20. Site of stables. 21. 

 Aspect. 22. Walls and foundation. 23. Light. 24. Fireplaces. 25. 

 Dimensions and cost. 26. Cheaper construction. 27. Loose boxes. 

 27 a. Ventilation and draughts. Loose boxes and stalls. 276. Constant 

 attention needed to ventilation. 28. Argument against the need of ventila- 

 tion. 29. Conclusion. 



1. Importance of pure Air. 



Pure air is as important to the integrity of the blood as wholesome 

 food to the maintenance of the body. 



The importance of pure air can hardly be adequately appreciated 

 without some knowledge of the course of the circulation of the blood 

 and also of the composition of the air. 



It is not, however, intended, either in this or any succeeding chapter 

 to enter into any minute descriptions of structures or processes ; but an 

 endeavour will be made to give concisely, and it is hoped sufficiently, 

 broad principles and facts which may enable the non-professional reader 

 to understand the subject referred to. 



2. Circulation of the Blood. 



By each contraction or beat of the heart bright scarlet highly vital- 

 ized blood fresh from the lungs is forced through the arteries to all parts 

 of the body. The arteries dividing and subdividing become smaller and 



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