740 



INDEX 



Protein, continued 



influence on, of energy supply, 386 



protein supply, 384 

 requirements, 



computation of, to unit weight, 325 

 for fattening, 363, 416, 446 

 growth, 403 

 of cattle, 404 

 sheep, 407 

 swine, 408 



results in practice, 403 

 maintenance, 313, 323 



nature of, 313 

 meat production, 445 

 milk production, 501 

 work production, 561 

 of cattle, 326, 367, 404, 501 

 horses, 329, 561 

 sheep, 327, 365, 407 

 swine, 329, 368, 408 

 relation of, to age, 445 

 rich feeds, influence of, on milk pro- 

 duction, 506 

 supply, influence of, on digestibility, 



447 



milk production, 504, 507 

 retention in growth, 384 

 surplus, katabolized, 317, 488 

 true, determination of, in feeding 



stuffs, 68 



unnecessary for fat production, 363 

 utilization of, in fattening, 364 

 growth, 384, 387, 388 

 milk production, 488, 491 

 limited, 318 

 Proteins, 24 



alfalfa, values of, 683 

 cereal, values of, 683 

 chemical changes in resorption of, 107 

 coagulated, 35 

 coagulation of, 26 

 conjugated, 25, 34 

 derived, 25, 35 

 primary, 35 

 secondary, 35 

 digestion of, 83, 88, 95 

 by erepsin, 98 

 pepsin, 96 

 trypsin, 97 



formation of fat from, 173 

 functions of, 185 

 incomplete, 679 

 maize, low value of, 681 

 nomenclature of, 24 

 of milk, 459 



Proteins, continued 



origin of, 465 

 physical properties of, 25 

 putrefaction of, 99 

 relative values of, 678 

 for growth, 381 

 maintenance, 315 

 milk production, 492 

 simple, 25, 26 

 anabolism of, 160 

 classification of, 32 

 cleavage products of, 28 

 composition of, 26 

 deaminization of, 165 



reversible, 166 

 formation of, 



ammonia in katabolism of, 165 

 carbohydrates from, 167 

 fat from, 168 

 hydrolysis of, 28, 164 

 katabolism of, 162 

 metabolism of, 160 

 nitrogenous end products of katab- 

 olism of, 162 



non-nitrogenous residue of, 163 

 proportions of cleavage products in, 



3i 



structure of, 27 

 synthesis of, 30 



from digestive products, 160 

 two stages in katabolism of, 164 

 unbalanced, 679 

 Proteoses, 35 

 Protoplasm, 42 



composition of, 44 

 Ptyalin, 78, 79 



conditions of action of, 92 

 Pulmonary exchange, investigation of, 



214 



Putrefaction of proteins, 99 

 Pylorus, 83 



Quantity of feed, influence of, on diges- 

 tibility, 613 

 Quotient, respiratory, 207 



Raffinose, n 



Rate of growth, 373 



at different ages, 374 

 Rations : 



compounding of, 707 

 computation of, 565, 689, 697 

 from given feeding stuffs, 700 

 improvement of, 698 

 for work production, calculation of, 565 



