732 



INDEX 



Feces, continued 

 losses of energy in, 635 

 outgo of energy in, 230 

 Feed: 



as stimulus to milk production, 522 

 consumption, 



energy expended in, 275 

 increases heat production, 273 

 influence of, 



on heat production, 651 



by the horse, 675 

 on metabolism, 651 

 influence on, 

 of age, 431 

 breed, 443 

 individuality, 443 

 significance of energy expenditure in, 



277 

 diminishing returns from, in milk 



production, 515 

 dual function of, 183 

 influence of, on composition of milk, 



527 



quantity of, influence of, on digesti- 

 bility, 613 



requirements, 691, 693, 694 

 for growth, 396 



maintenance, 280, 313 

 meat production, 445 

 milk production, 500 

 supply, 569 



two aspects of, 631 

 surplus, disposal of, 350 

 total amount of, for meat production, 



449 



unit system, logical basis of, 595 

 units, 593 



comparison of, with net energy 



values, 596 



utilization of, in milk production, 488 

 Feeding as related to individuality, 444 

 Feeding standards, 689 

 early, 689 

 for meat production, 451 



the horse, 566 

 Kellner's, 690 

 limitations of, 691 

 origin of, 689 

 Wolff's, 689 



modifications of, 690 

 Feeding stuffs, 571 



accessory ingredients of, 632 



significance of, 632 

 choice of, 703 

 classes of, 72 



Feeding stuffs, continued, 

 classification of, 571 

 composition of, 66 

 determination of 

 ash in, 67 

 crude fat in, 70, 71 

 crude protein in, 68 

 nitrogen-free extract in, 71 

 non-protein in, 69 

 protein in, 67 

 true protein in, 67 

 water in, 67 



direct comparisons of, 591 

 ether extract of, 70 

 metabolizable energy of, 639, 642 

 production values of, 630, 634, 678 

 relative values of, 591, 597 

 rich in carbohydrates, influence of, on 



digestibility, 617 

 specific effects of, 448 

 associated with fats, 527 

 on milk production, 523 

 sources of, 571 

 sundry ingredients of, 39 

 Feeding trials, practical, 592 

 Fermentation industries, by-products of, 



585 

 Fermentation, losses of chemical energy 



in, 636, 639 

 computation of, 637 

 Flavoring substances, 41 



influence of, on milk production, 522 

 Fluids, digestive, 78 

 Forms of work, influence of, on efficiency 



of body, 555 

 Fowls : 



digestibility by, compared with swine, 



608 

 energy requirements for maintenance 



of, 301 

 Fruits, 579 

 Fuel value, 283 

 Functions : 



of ash ingredients, 187, 190 

 carbohydrates, 186 

 fats, 1 86 

 feed, dual, 183 



non-nitrogenous nutrients, 187 

 nutrients, 182 



physiological, 597 

 proteins, 185 

 water, 190 



Gain in fattening, energy content of, 

 361 



