CONTENTS xvil 



CHAPTER XXIV 



PAGES 



The Relation of Food to Production . . . 418-424 



Food unit defined, 507; The unit of production, 508; 

 Factors involved in food economics, 509; Relation of 

 food to production with various species, 510. 



CHAPTER XXV 

 General Management . . 425-434 



Factors in general management of animals, 511; The 

 selection of cows, 512; The general-purpose cow, 513; 

 The selection of animals for meat production, 514; 

 Relation of age to meat production, 516; Manipulation 

 of the ration, 516; Quantity of the ration, 617; Environ- 

 ment and treatment of animals, 518; Cruelty to ani- 

 mals, 619. » 



Appendix 436-463 



1. Average composition of American feeding-stuffs ; 435 



2. Average coefficients of digestion . . 441 



3. Computation of energy-production values 448 



4. Food standards for mUk production as developed by 



Haecker, Savage, and Eckles . . 455 



5. Feeding standards 467 



6. Fertilizing Constituents of American Feeding-Stuffs. 460 



