BOARD OF CONTROL JOE L. EARMAN, Chairman, Jacksonville, Fla. E. L. WARTMAN, Citra, Fla. T. B. KING, Arcadia, Fla. J. B. HODGES, Lake City, Fla. J. T. DIAMOND, Milton, Fla. B2YAN MACK, Secretary, Tallahassee, Fla. J. G. KELLUM, Auditor, Tallahassee, Fla. CONTENTS PAGE Introduction .......................................... ...... 59 More Dairy Cattle Needed ...................................... 59 Factors influencing the Cost of Milk Production ..................... 60 A Convenient Record Sheet ................................ 61 How Much Should a Good Cow Produce ............................ 61 Florida's Best Jersey Record ............................... 62 Improving the Herd by Selection ................................. 64 Influence of the Sire .......................................... 64 Raising Heifers ................... ........... ............. 65 Improvement in the Station Herd. ............................ 66 Production Increased .................................... 66 Principles of Feeding ....................................... 66 Balanced Rations for Dairy Cows ............................... 67 Rations of Home-Grown Feeds ................. ..... 68 Rations of Purchased Feeds ............................... 68 Feed and Labor Costs at the Experiment Station ................... 69 Hay Is Not a Necessity ................. ....................... 69 Silage Preferable to Hay .............. ...................... 70 Advantages of the Silo ..................................... 70 Home-Grown Feeds Necessary .................................. 71 How Feed Affects Milk ........................................ 71 Feeds with Odors ....................................... 71 Milk A'sor-s Odors ....................................... 72 Some Feeds Affect the Color of Milk ........................ 72 How Feeds Affect Fat .................................. 73 The Milker as a Factor in Production ............................ 73 Over-Capitalization Is Possible ................................. 74 Qualifications of a Good Dairyman ................................ 74 Cow Testing Associations ............................ 75 Som e Dairy Pointers ....................................... .. 75