736 



INDEX 



Maltase, 79, 87 

 Maltose, n 

 Manifolds, 80 

 Mannose, 9 

 Matter : 



balance of, 202 

 dry, 3 



requirements of, 

 for fattening, 363 

 growth, 403, 414 

 meat production, 445 

 milk production, 501, 520 

 work production, 560 

 Maturity : 



definition of, 428 

 early, 428 



economic significance of, 429 

 influence of breed on, 444 

 influence of, 



on composition of grasses, 573 



maize forage, 575 

 digestibility of grasses, 574 



maize forage, 575 

 Meat, definition of, 424 

 fat-free, composition of, 52 

 proportion of fat in, 425 

 Meat production, 424 

 animal as factor in, 428 

 combined growth and fattening in, 448 

 energy requirements for, 448 

 factors of, 427 

 feed requirements for, 445 

 feeding for, 444 

 feeding standards for, 451 

 heavy feeding profitable in, 449 

 influence on, 

 of age, 430 

 condition, 438 

 drinking water, 455 

 exercise, 457 

 external conditions, 453 

 shelter, 456 

 temperature, 453 

 nature of, 424 

 processes involved in, 426 

 protein requirements for, 445 

 relation of conformation to, 443 



type to, 443 



total amount of feed for, 449 

 Metabolism, 144 



a gradual process, 147 

 analytic, 146 

 definition of, 144 

 enzyms as agents in, 148 

 general conception of, 144 



Metabolism, continued 

 general scheme of, 182 

 influence on, of feed consumption, 651 

 investigations, comparison of, with 



balance experiments, 241 

 of details of, 194 

 of ash ingredients, 178 

 calcium, 181 

 carbohydrates, 152 

 fats, 171 

 iron, 181 

 magnesium, 181 

 nucleic acids, 168 

 nucleoproteins, 168 

 organic acids, 159 

 pentosans, 158 

 pentose carbohydrates, 157 

 phosphorus, 180 

 potassium, 181 

 proteins, 160 

 sodium, 181 

 sulphur, 179 

 oxidative, 146 



Metabolizable energy. (See Energy) 

 Metaproteins, 35 



Methane, heat of combustion of, 636 

 influence of amount of feed on pro- 

 duction of, 665 

 losses of energy in, 637, 639 

 production of, in digestion, 90, 94 

 Methods of investigation, 194 

 Middlings, buckwheat, 583 



wheat, 583 

 Milk: 

 ash, 460 



sources of, 468 

 average composition of, 461 

 carbohydrates, 460 



origin of, 467 

 components of, 459 

 composition of, 461 

 influence on, 

 of breed, 473 



completeness of milking, 480 

 feed, 527 



frequency of milking, 479 

 stage of lactation, 476 

 variability in same animal, 475 

 energy content of, 511 

 fat, influence of exercise on yield of, 



482 

 fats, 459 



origin of, 466 

 glands, 462 



development of, 463 



