CONTENTS XUl 



rAGKS 



Testing Milk for Butter Fat 232 



Sampling the milk — Using the acid — Whirling the bottles — 

 Reading the percentage of fat. 



Testing Associations 235 



General plan 235 



Records of Preformance and of Breeding ... . . 236 



The individual animal the unit of improvement . . . 237 



Plan of Breeding 237 



Raise the heifer calves from the best covps — Cooperative breeding. 



Forming the Dairy Herd 238 



Gradlng-up the Herd .... .... 239 



The first generation — Select heifer calves from the high-produc- 

 ing dams — The second generation — Continued judicious selec- 

 tion the means of improvement. 



The Dairy Bull 244 



Choosing a dairy bull — Uniformity of get — Number of cows to 

 the bull. 



The Dairy Cow . . 246 



Productive period in dairy cattle 246 



Season of the year to breed 247 



Parturition time 248 



The Calf 250 



Feeding the dairy calf 251 



Removing horns from young calves 255 



Castrating the male caljf 255 



CHAPTER XI 



Care and Management of Dairy Cattle .... 257-274 



Sanitary Milk Production 257 



The cow — The stables — Milk-house — Utensils— Milking. 



Milking Machines . . 260 



Management of the Bull 268 



Ringing the bull 264 



The Daily Barn 264 



Light in abundance should enter the dairy barn — Ventilation 

 essential to health — Floors are best made of cement— Water- 

 ing device. 



The Silo 270 



The size of the silo — Filling the silo. . . . , . 271 



