CONTENTS 



CHAPTER 1 



PAGES 



IMPORTANCE or THE DAIRY INDUSTRY 1-11 



Milk a universal food, 1 Value of milk as food, 1 

 Butter and cheese as food, 2 One dairy cow per family, 3 



Amounts of dairy products used, 4 Milk inspection, 5 



Dairy cattle as a source of meat, 5 Dairy cattle in other 

 countries, 6 The dairy cow an efficient machine, 7 Cows 

 effective users of by-products, 7 Dairying and main- 

 tenance of soil fertility, 9 Cows help to provide a full 

 year's work, 9 Receipts from dairy products, 10. 



Questions and problems 10 



Collateral reading 11 



CHAPTER 2 



B SEEDS OF CATTLE 12-39 



Origin of Breeds : Origin of domesticated cattle, 12 

 Origin of breeds, 12 Definition of terms, 13 Classifica- 

 tion of cattle, 14 Value of breeds, 14 Pedigrees, 15. 



Dairy Breeds: Number of animals registered, 16 Hol- 

 stein-Friesian, 17 Jersey, 21 Guernsey, 24 Ayrshire, 

 27 Brown Swiss, 30 Dutch Belted, 30 Kerry, 30. 



Dual Purpose : Dual Purpose, 31 Shorthorn, 32 

 Polled Durham, 34 Red Polled, 34 Devon, 36. 



Beef Breeds: Hereford, 37 Aberdeen-Angus, 37 

 Galloway, 38. 



Questions and problems ....... 



Laboratory exercises ....... 39 



Collateral reading ........ 39 



ix 



