246 



, CHAPTER IV. 



Pages 



INCUBATION 54-66 



Hatching power of eggs 54 



Selection of eggs for hatching 55 



Operating an incubator 56 



Moisture in incubator 56 



Turning eggs during incubation 56 



Oil for incubator, place to keep 56 



Pedigreeing chicks without special trays 57 



Marking baby chicks 58 



Disinfecting incubators 58 



Why chicks die in the shell 59 



Saving chicks from death in shell 59 



Structure of an egg 60 



Natural incubation 61 



Artificial incubation 61 



Development and growth of chick in the shell 62 



Artificial brooding 63 



Hatching coops 64 



House for setting hens 65 



Method of keeping eggs for hatching 65 



CHAPTER V. 



BROODING 67-83 



Brooding, methods of 67 



Brood coops 68 



A-shaped brood coops 69 



Protecting chickens from hawks and crows 70 



Indoor or outdoor brooders 72 



Heated or fireless brooders 72 



Pireless brooders, home made 73 



Heated artificial brooders 74 



Colony brooder houses 74 



Colony houses in cornfield 75 



Colony brooder houses fitted with adjustable hovers 75 



Gasoline heated colony brooder house 77 



Large steam heated brooder houses 82 



CHAPTER VI. 



FEEDING 84-106 



Feed for baby chicks 83 



Chick rations 86 



Homemade drinking fountain 89, 159 



Watering device for large flocks 90 



Feeding mature stock 90 



Forcing hens for winter eggs 91 



Why some hens don't lay 92 



Feeding for eggs 93 



How food affects the quality of eggs 93 



How food affects the quantity of eggs 94 



How food affects the size of eggs 94 



How food affects the profits 94 



Balanced ration 94 



Composition of foods 96 



Analysis of fowls 96 



Analysis of eggs 96 



Method of feeding 97, 98 



Fatness as a factor in egg production 99 



Egg organs 1 



Pointers of feeding laying hens 103 



