INDEX 



541 



Ventilation systems, 217 



Vigor, cause of lack of, 47, 1.35 ff 



importance of, 133 

 Vitality, importance of, 133 

 Vitamins, 308 ff 

 Vitelline membrane, 17G, 177 



W 



Walls and partitions of poultry 



house, 270 

 Warmth in poultry house construc- 

 tion, 260 

 Water glass for preserving eggs, 

 501 

 heaters, 414 

 use of, in nutrition, 301 

 Watering devices, 410 

 Watery eggs, 495 



Weight of eggs, 190, 491 

 Wet mash, 324, 380 

 Wheat, 335 



screenings, 330 

 Wliey, 359 



White diarrhea, 94, 519 

 Windows, 208 



Wishl)onc, taking out of, 480, 483 

 Worms, 521 

 Wvandottes, 03, 75 



Yauium; chicks, 432 



Yards and fences, 291 



Yolk, formation of, 84 ff, 176 



structure of, 175 ff 

 Young stock, growing of, 363 

 382 ff 



