Index 



449 



Plants, relation to animal life, 7, 8, 9; 

 albumin in, 59 ; distribution ash com- 

 pounds in, 45; living, water in, 33; 

 mineral compounds of, 43 ; propor- 

 tions of elements in, 21. 



Potash, variations in plants, 45. 



Pork, production of, 357. 



Potassium, where found, 19; in nutri- 

 tion, 19. 



Poultry, effects of food with, 382; feed- 

 ing of, 379; foods for, 379; food needs 

 of, 389; food mixtures for, 396; main- 

 tenance rations for, 393; rations for 

 chicks, 394; rations for laying hens, 

 393. 



Practice, conclusions of, 187. 



Preservation of fodders, influence on 

 digestion, 129. 



Preparation of foods, influence on diges- 

 tion, 129. 



Production, relation of food to, 194, 400; 

 unit of, 401. 



Proteids, 55; composition, 56 ; com- 

 pound, 66; examples of, 57. 



Protein, classification compounds of, 

 54; combustion of, 147; definition of, 

 52; elements in, 30; functions of, 153; 

 how estimated, 53; in fattening ra- 

 tion, 341, 352; in work horse ration, 

 375; influence on digestion, 137; need 

 of in milk ration, 310 ; production 

 value of, 175; proportion in ration, 

 291; relation to muscular effort, 167; 

 relative importance of compound, 178; 

 supply of, 262; sources of for milk 

 ration, 313 ; variations in digestibility 

 of, 122. 



Ptyalin. 107. 



Ration, influence of quantity on digest- 

 ibility, 127. 



Rations, adaptation of , 281 ; calculation 

 of, 285; compounding of, 280; fat- 

 tening, selection of, 347; for fatten- 

 ing steers, 34'J, 348; for laying hens, 

 393; for milk production, 309, 312; 



for poultry, 392; for work horses, 

 374, 377; for young birds, 394; main- 

 tenance, 295; maintenance for bo- 

 vines, 299; maintenance for horses, 

 302; maintenance for poultry, 393; 

 manipulation of, 413; palatableness 

 of, 280 ; proportion of protein, 291 ; 

 quantity of, 414; relation to quality 

 of product, 292; relation to prices and 

 supply, 293 ; relation to weight of 

 animal, 289; selection of, 280; stand- 

 ards for, 282, 342, 345. 



Rennin, 113. 



Respiration apparatus, 196. 



Rigor mortis, cause of, 61. 



Roots (and tubers), 224. 



Roots, productivity of, 261; storage of, 

 225. 



Saccharose, 81. 



Saliva, 106; function of, 107. 



Salt, in feeding poultry, 391; influence 

 on digestion, 133. 



Salts, absorption of, 120. 



Sand, in feeding poultry, 391. 



Serum albumin, 59. 



Sheep, composition of, 403; fattening, 

 experiments with, 353; fattening, food 

 needs of, 351; fattening, food stand- 

 ards, 352; fattening, growth of, 350; 

 production with, 404, 405; selection 

 of ration for, 355. 



Silage, 212; changes in, 213; cutting 

 material for, 221; formation of, 213; 

 maturity crop for, 220. 



Silo, construction of, 219; changes in, 

 213; extent of loss from, 215; filling 

 of, 220; nature of loss from, 214; rate 

 of filling, 221. 



Skim-milk, 254, 255; as food for swine, 

 363. 



Slaughter-house refuses, 256. 



Sodium, in nutrition, 20; sources of, 19. 



Soil, nitrogen in, 16. 



Soiling, 263; crops for, 265; succession 

 of crops, 266; systems of, 265. 



