INDEX 



529 



Half-monitor house, cost of materials, 139 

 plans, 137 

 specifications, 138 

 Hamburgs, distribution of, 76 

 Hardening-off process, 365 

 Hardiness of egg breeds, 80 



of general-purpose breeds, 89 

 of meat breeds, 85 

 Hatching, advantages of early, 278 

 centralized, 27 

 eggs, collection of, 287 

 keeping, 288 

 selection of, 287 

 process of, 310 

 records, 320 

 Hay-cutter, 206 

 Head, bones of, 294 

 Health, importance of, 101, 271 

 Heat, effect on birds, 109 



in incubator, 337 

 Heater, operation of, 366 

 Heavy producers, breeding from, 252 

 Height of laying house, 112 

 Hen compared with cow, 169 



consumption and production with, 510 

 Hen's eggs, composition of, 196 

 Heredity, benefits from, 230 

 definition, 229 

 example of, 229 

 law of, 229 



Hollow tile for incubator cellar, 329 

 Home practice, value of, 6 

 Hominy meal, composition of, 193 



manufacture, 187 

 Hoppers, advantages of, 106 

 design, 154 

 self-feeding, 153 

 types of, 154 

 use of, 130 



Hot-air incubators, 331 

 Houdans, possibilities of, 94 

 House construction, standard -unit, 113 

 convenience in, 106 

 development of, 104 

 economy in, 105 

 effect of shape on cost, 113 

 grading for, 124 

 principles of, 104 

 roofing materials, 122 

 sanitation, 110 

 design, features of, 105 

 Houses, brooder, 348 

 feed, 204 



for growing stock, 372 

 importance of cleanliness, 497 



Houses, perimeter of, 113 



preservation of, 122 



types of, 111 

 Hunterdon County, New Jersey, a great 



egg centre, 16 

 Hybridizing defined, 230, 246 



example of, 231 

 Hygiene, 497 

 Hypoblast defined, 307 



I 



Icing poultry, 447 



Imagination as affecting breeding, 264 

 Importance of knowing actual profits, 34 

 Impregnation, effect of a previous, 264 

 Improvement, need of, 221 

 Inbreeding defined, 246, 247 

 effect on vigor, 255 

 possibilities of, 248 

 ways of, 247 

 Incubation, advantages of artificial, 313 



of natural, 312 

 artificial, 326 

 cooling during, 339 

 disadvantages of natural, 312 

 eggs under one hen, 318 

 hatching time, 345 

 historical development, 326 

 natural, 312 

 record, 458 

 temperature, 338 

 regulation, 333 

 testing, 344 

 time required for, 321 

 turning, 339 



Incubator, best place for, 335 

 care of, 335 

 cellar for, 329 



plans, 328 



development of, 327 

 filling egg chamber, 336 

 house, capacity of, 330 

 interior arrangement, 330 

 location, 331 

 plans of, 328 

 requirements of, 327 

 ventilation, 329 

 lamp, 335 

 moisture for, 341 

 record, 456 

 selection of, 333 

 ventilation of, 340 

 Incubators, mammoth, 332 



types of, 331 

 [nfertile eggs, advantages of, 307, 437 

 Infertility, causes of, 289 



