532 
Nest eggs, use, 279 
location, 148 
materials, 147, 317 
rules for making, 317 
special trap nests, 148 
types, 147 
New Jersey rations outlined, 215 
Nomenclature of fowl, 515 
Noted centres of production, Hunterdon 
County, N. J., 16 
Little Compton, R. I., 17 
Petaluma, Cal., 12 
South Shore, Mass., 18 
Vineland, N. J., 15 
Notochord defined, 307 
Nutrients, classified, 171 
defined, 171 
in feeding stuffs, 518 
right proportion, 208 
sources of, 184 
sufficient, 207 
uses of, in the body, 172 
Nutrition defined, 171 
process of, 171 
Nutritive ratio defined, 208 
example, 209 
ce) 
Oatmeal, composition of, 193 
usage, 188 
Oats, composition, 193 
sprouted, usage, 189 
value, 188 
Oil meal, 192 
Olive oil, 506 
Onions, 200 
Organic feeds, classification, 185 
Organization, Poultry Association, 20 
breed associations, 20 
for education, 4 
growth of, 20 
in European countries, 40 
Organs, uses of, 295 
Orientals, origin, 76 
Orpingtons, origin, 75 
Out-crossing defined, 249 
object, 250 
Ovary, location and function, 300 
Oviduct, location and function, 300 
Oyster shell, 185, 201 
zp 
Packages for dressed poultry, 444 
Parasites, 507 
op young chicks, 324 
Peas and oats, 198 
INDEX 
Pedigree, value of, 283 
Pelvic arch, 294 
Pen record, 455 
Perches, construction, 144 
location and design, 143 
Personality, importance of, 56, 61 
of prospective neighbors, 42 
Petaluma, California, 12, 13, 14 
Phosphate rock, composition, 202 
uses and sources, 185 
Physiological organization of the fowl, 294 
Physiology, 292 
Planning records, 453 
Plans multiple-unit house, 129 
Plucking methods, 413 
Plumping, 417 
Plymouth Rocks, 89 
Polish class, 75 
Poor hatches, causes, 322 
Pork scrap, value, 195, 196 
Portable laying house, materials, 141 
plans, 140 
specifications, 139 
Post-mortem examinations, 502 
Posts, bracing, 163 
materials for, 161 
setting, 162 
Potatoes, usage, 199 
Potential energy defined, 209 
Poultry, breeds of, 63 
diseases, 496, 503 
economics, land, labor, and capital, 58 
exhibitions, 475 
farming defined, 7 
fixtures, 143 
house, standard multiple-unit, 113 
in cities, 8 
in the United States, 8, 9, 10 
journals, list, 520 
keeping, advantages, 28 
disadvantuges, 31 
diversity of, 22 
how to learn, 57 
place in the animal kingdom, 65 
plants, scoring, 493 
surgery, 504 
systems, danger of, 34 
value of pure-bred, 252 
Poultryman, qualifications of, 57 
Power, kinds of, 206 
Practical application, value of, 1 
Practice of poultry breeding, 245-265 
Prepotency defined, 242 
how increased, 243 
importance in breeders, 283 
Preservation of eggs, 441 
