XX CONTENTS 



PAGES 



Composition tables, 419 Digestion tables, 424 Fertilizing 

 constituents, 426. 



CHAPTER XXIII 



EXTERNAL PARASITES OF ANIMALS 429-441 



Handling the Cattle-tick or Texas-fever Tick 429 



Dips for cattle-ticks, their preparation and use, 429 Method of 

 spraying, 433 Disinfectant for ticks in infested stables, 434 

 Eradication of ticks by rotation of fields, 435. 

 Other External Parasites of Farm Animals . . ... . 434 



Lime-and-sulfur dips, 434 Nicotine solutions, 434 Commer- 

 cial dips, 436 Crude oil emulsion, 436 Lice powder, 436 

 Cresol disinfecting soap, 436 The kinds of parasites (cattle, 

 437 ; horse, 439 ; sheep, 440 ; swine, 441). 



CHAPTER XXIV 



MILK AND MILK PRODUCTS ; DAIRY FARMS ; 442-472 



Composition of Milk .442 



Composition of cow's milk, 442 Average composition of milk 

 of various kinds, 443 Average composition of typical cow's 

 milk, 443 The milk of different breeds, 444 Milk solids of 

 different breeds, 444 Ash in cow's milk and its products, 444 

 Mineral constituents in milk, 444 Variation in average compo- 

 sition of 574 samples of market butter samples, 445 Nutrients 

 and energy in one pound of food materials as compared with 

 milk, 445 Average composition of milk products and other 

 food materials, 446. 

 Milk, Butter, and Cheese Tests . . ... . . .446 



Babcock test for butter-fat, 446 Computing total solids, 447 

 Test for acid, 447 Test for boiled milk, 448 The lactometer 

 test for specific gravity, 448 Test for boric acid or borax, 449 



Test for formaldehyde in milk, 450 Standardizing milk, 450 



Butter moisture-test, 451 Salt in butter, 453 Salt in cheese, 

 453 Over-run in butter-making, 454 Spoon-test for oleomar- 

 garin and renovated butter, 455 Moisture in cheese, 455 

 Babcock test for fat in cheese, 456 Casein in milk, 456 Wis- 

 consin curd-test, 457. 



Propagation of Starter for Butter-Making and Cheese-Making . . 458 



