728 



INDEX 



Computation, continued 



method of, 697 

 of total feed required, 697 

 Concentrates, 72, 579 

 comparison with roots, 579 



roughage, 662 



determination of digestibility of, 115 

 proportion of, to roughage, 451, 696 

 relative values for, 671 

 Condiments, influence of, on digesti- 

 bility, 627 



Condition, influence of, 

 on economy of gain, 438 

 meat production, 438 

 rate of gain in fattening, 438 

 Conditions affecting digestibility, 60 1, 



602, 613 



Conditions, external, influence of, on 

 meat production, 453 

 milk production, 478 

 Conformation, relation of, to meat pro- 

 duction, 443 



Conservation of energy, 219 

 Contraction, muscular, 532 

 chemical changes in, 532 

 energy transformations in, 533 

 Corn bran, 588 

 Cottonseed meal, 587 

 Critical temperature, 264, 453 



lowered by feed consumption, 308 

 Crude fiber, 13 



composition of digested, 120 

 correction of net energy values for, 



669 



determination of, in feeding stuffs, 71 

 influence of, on heat production of 



horse, 676 



proportion of pentosans in, 71 

 Cutaneous excretion, outgo of chemical 



energy in, 231 

 Cutting of roughage, influence of, on 



digestibility, 624 

 Cytoplasm, 42 



Dairy rations : 



addition of fat to, 517 



ash in, 521 



protein in, 506 

 Deaminization : 



of nucleic acids, 171 

 simple proteins, 165 



reversible, 166 

 Deficiencies in ash : 



correction of, 346 



effects of, 420 



Dextrins, 14 

 Dextrose, 8 



Digestible nutrients. (See Nutrients) 

 Digestibility, in, 601 

 apparent, 120 



by horse compared with ruminants, 

 604 



species of ruminants, 603 



swine compared with ruminants, 606 

 conditions affecting, 60 1 

 definition of, in 

 determination of, in, 114 



influence of excretory products, 118 

 influence on, 



of acids, 627 



addition of protein, 622 



age, 6 10 



breed, 610 



condiments, 627 



conditions relating to the animal, 602 

 feed, 613 



cutting of roughage, 624 



drinking, 628 



drying, 623 



excess of carbohydrates, 616 



feeds rich in carbohydrates, 617 



grinding of grain, 624 



heavy feeding, 450 



individuality, 609 



non-protein, 622 



protein supply, 447 



quantity of feed, 613 



roots, 618 



species, 603 



tubers, 618 



water drinking, 628 



work, 6 10 



laboratory determination of, 116 

 of ash ingredients, 118, 333, 343 



carbohydrates, diminished, cause of, 

 621 



cereal grains, 580 



concentrates, determination of, 115 



ether extract, 119 



grasses, influence of maturity on, 



574 

 maize forage, influence of maturity 



on, 575 



nitrogenous substances, 119 

 protein, diminished, cause of, 619 

 variable, 60 1 



variation of, at different times, 602 

 Digestion, 77 

 changes in, 101 

 chemistry of, 89 



