CONTENTS ' 13 

 CHAPTER VIII 



Page 



Non-contagious Diseases 222 



CHAPTER IX 



Contagious Diseases 225 



Blackhead 225 



Fowl-cholera 228 



White Diarrhea 230 



Tuberculosis 232 



Chicken-pox 233 



Roup 234 



CHAPTER X 



External Parasites 236 



Lice 236 



Chigger 239 



Scaly Legs 241 



CHAPTER XI 



Internal Parasites ' 243 



Round-worms 243 



Large Round-worms 244 



Small Round-worms 245 



Gizzard Worm 246 



Gape- worm 246 



Tapeworms 248 



CHAPTER XII 



The Feed Problem 250 



Plant Growth 250 



Physiology of Digestion 253 



CHAPTER XIII 



Nutrition 264 



Mineral Requirement of Fowls 268 



Essential Food Nutrients 272 



CHAPTER XIV 



Digestibility and Nutritive Ratio 276 



CHAPTER XV 



Feedstuffs 280 



Average Digestible Nutrients in Poultry Feeds 298 



Poultry Feeds 303 



