734 



INDEX 



Heavy feeding, influence of, on digesti- 

 bility, 450 



net energy values, 450 

 profitable in meat production, 449 

 Hemicelluloses, 13 

 digestion of, 92 

 Hexosans, 12 

 Hexoses, 8 

 Hominy feed, 585 

 Horse : 



computation of net energy values for, 



675, 676, 677 



digestibility by, compared with rumi- 

 nants, 604 

 energy requirements for maintenance 



of, 295 



feeding standards for, 566 

 influence of feed consumption on heat 



production by, 675 

 metabolizable energy for, 675 

 protein requirements of, for mainte- 

 nance, 329 

 Humidity, influence of, on effects of 



temperature, 455 



Hydrolysis of simple proteins, 164 

 Hydrogen, losses of energy in, 639 



Ileum, 84 



Improvement of a ration, computation 



of, 698 

 Income, balance of expenditure and, 194 



of energy, 226 

 Increase : 



composition of, 198 



influence of age on, 431 



in fattening, 



composition of, 350, 352, 353, 



354, 364 



energy content of, 352 

 protein in, 364 

 growth, 



composition of, 371 

 energy content of, 373 

 total at different ages, 397 

 Individuality : 



feeding as related to, 444 

 influence of 



on assimilative power, 441 

 course of lactation, 473 

 digestibility, 609 

 digestive power, 441 

 economy of feeding, 472 

 efficiency of body, 556 

 feed consumption, 443 

 maintenance requirements, 442 



Individuality. continued 



meat production, 440 



milk production, 514 



net energy values, 666 



yield of milk, 471 



Ingredients of milk, sources of, 465 

 Initial and final states, law of, 223 

 Intensity of work, influence of, on effi- 

 ciency of body, 557 

 Intercellular substance, 46 

 Intestine, large, 85 



small, 84 

 Inulin, 14 

 Invertases, 79, 78 

 Investigation, methods of, 194 

 of details of metabolism, 194 

 Ionic concentration, maintenance of, 188 

 Iron, metabolism of, 181 



occurrence of, 6 

 Isolation, shelter from, 457 



Jejunum, 84 

 Juice, intestinal, 87 . 

 pancreatic, 86 



Katabolism, 145 



computation of per unit of surface, 258 



to standard weights, 250 

 fasting, 249 



conditions affecting, 258 

 computation of, 282 

 influence on, 

 of body fat, 252 



external temperature, 262, 265 

 muscular activity, 261 

 previous feeding, 253 

 size of animal, 258 

 standing and lying, 261 

 of protein variable, 251 

 substances katabolized in, 249 

 of carbohydrates, 156 

 intermediary, 157 

 energy in fasting, 251 



constancy of, 255 

 fats, 176 

 non-nitrogenous matter, influence of 



work on, 540 

 nucleic acids, 170 

 phosphorus, 180 

 proteins, 162 



formation of ammonia in, 165 

 nitrogenous end products of, 162 

 two stages of, 164 

 sulphur, 179 

 products of incomplete, 230 



