LABORATORY EXERCISES 



EXERCISE NO. PAGE 



1. A Study of Representative Bird Types 31 



2. The Structure and Parts of a Feather 31 



3. Protection of Wild Bu'ds' Nests 32 



4. Simple Homemade Bird Houses 32 



5. A Comparison of the Egg, Meat and General Purpose Type 



of Fowl 46 



6. A Study of Breed and Variety Characteristics 46 



7. The Differences Between Mongrels, Cross-breeds and Standard 



Breeds 46 



8. Good and Poor Types of Birds 46 



9. Comparison Studies with the Egg Breeds 56 



10. Comparison Studies with the Meat Breeds 67 



11. Comparison Studies with the General Purpose Breeds 76 



12. Comparison Studies with the Miscellaneous Breeds 82 



13. Practice in Selecting Breeding Birds 92 



14. Construction and Operation of Trap Nests 92 



15. The Composition of the Hen's Egg 100 



16. The Internal Structure of a Hen 101 



17. The Cooking of Eggs for Human Food 101 



18. The Development of the Chick or Embryo in the Shell 110 



19. The Care of Sitting Hens 120 



20. The Construction of an Artificial Incubator 131 



21. Operating a Small Incubator 131 



22. The Moisture Requirements of Artificial Incubation 131 



23. Testing Eggs During Incubation 132 



24. Loss of Weight of Eggs During Incubation 132 



25. Brooder Types and Their Construction 141 



26. Operating a Small Brooder 141 



27. Constructing a Small Colony House 149 



28. Growing Crops to Give Green Feed to Poultry 149 



29. Types of Soil Best for Poultry 160 



30. Construction of Poultry Fences 160 



31. Planning the Lay-Out of a Poultry Plant 160 



32. The Effect of Dampness in the Poultry House 168 



33. Muslin Ventilation for the Poultry House 169 



34. Remodelling an Old Poultry House 174 



35. Ways of Improving Poultry Houses 175 



36. Laying a Concrete Floor in the Poultry House 175 



37. Constructing the Runners for a Portable House 181 



38. Cutting the Floor Rafters 181 



39. Leveling the Runners and Squaring the Corners 182 



40. Laying the First Rough Floor 182 



41. Erecting the Posts 182 



42. Erecting the Plates 183 



43. Erecting the Roof Rafters 183 



44. Erecting the Studding 184 



xvii 



