574 



INDEX 



Crosses, reciprocal, 250 

 Crowding chicks, 363 



effect on vigor, 250 

 Crows, 512 

 Culling, best method, 543 



chart for, 543 



campaigns, 542 



errors in, 547 



fowls for egg production, 534 



practice of, 541 

 Curtains for laying houses, 120 

 Customers' interests, 126 



D 



Dampness, bad effect of, 48 

 Danish egg packing industry, 39 



poultry house, 38 

 Delivery of products, 427 

 Demand vs. supply, 32 

 Denmark, poultry farming in, 38 

 Depluming mites, 510 

 Dermanyssus gallinae, 508 

 Design of houses, simplicity of. 111 



to insure economy of labor, 52 

 Details, importance of, 273 

 Diagnosis of disease, 500, 501 

 Diary, 463 

 Digestibility, factors affecting, 174 



ground grains, 181 

 Digestion coefficient defined, 174 



experiments, what they show, 176, 177 



relation of food to, 173 

 Digestive system, organs of, 296 



tract, 296 

 Dimorphism, sexual, 261 

 Disease, diagnosis, 500, 501 



inheritance of, 227 



of poultry, 503 



prevention of, 497 



transmission by water, 499 



treating, 496 



when to treat, 496 

 Diseases, 496 

 Disinfecting solution, 498 

 Dislocating neck, 410 

 Disposition of egg breeds, 79 



of general-purpose breeds, 87 



of meat breeds, 84 

 Distance from undesirable institutions, 44 

 Distribution of poultry, 10 

 Doctoring poultry, 496 

 Dominant, how to test for, 232 



meaning in Mendel's law, 231 

 Doors, 119 

 Doiking, origin of, 73 



possibility of, 93 



Double mating, example of, 261 



yarding, advantages of, 159 

 methods of, 100 

 Drainage, 47 



air, 48 



soil, 48 



surface, 47 



under foundation, 126 

 Dressed poultry, marketing, 444 



score card for, 491 

 Dressing, 417 

 Drinking vessels, design, 155 



location, 155 

 Dropping platforms, location and design, 



146 

 Droppings, care of, 272 

 Dry-mash, California, 219 



Cornell, 219 



mixer, location and usage, 200 



New Jersey State (summer), 217 

 (winter,) 216 



possibilities, 213 

 Dry picking, 411, 413, 415 

 Duck raising, rise of, 21 

 Dust wallows, 151 

 Dusting material, 152 



Ear lobe, changes due to laying, 537 

 Economic factors, adjustment of, 58 

 Economy in handling layers, 275 

 Educational associations, 4 



exhibitions, 476 

 Egg breeds as sitters, 80 



circles, 450 



classification of, 78 



composition of, 196 



description of type, 78 



disposition of, 79 



dry matter in, 305 



eating, cause of, 279 

 prevention of, 279 



exhibits, 473 



expulsion of, 302 



farming, combinations with, 22 

 locations for, 44 



fertilization of, 301 



foraging abilities, 80 



formation of, 300 



grades of, 440 



hardiness of, 80 



maturity of, 79 



ovens, Egyptian, 326 



packages, 436 



pail, 287 



parts of, 302 



