CONTENTS. 



Page 



Introduction 297 



Arizona as a market for dairy products 297 



Cost of manufacture 297 



Quality 298 



Care of milk 298 



A comparison of the yields of dairy herds 300 



Table I.— A record of fifty-eight Arizona herds 302 



Table II.— A partial record of forty-three herds 303 



A dairy herd record : ^04 



Table III — Individual record of forty-two cows -' J >0ti 



Comparison of methods 307 



Table IV.— Showing rank of cows judged by different standards 308 



Variations in per cent of fat 309 



Table V.— Showing variations in per cent of fat 309 



