DAIRY HUSBANDRY 



W. S. Cunningham, R. N. Davis 



The Department of Dairy Husbandry has been strengthened 

 by the addition of R. N. Davis, who joined the department January 

 1, 1920, with the title of Extension Dairy Specialist with the under- 

 standing that he give one-half of his time to the regular work of 

 the department. Mr. J. F. Burrows was appointed as fellow assist- 

 ant in the department July 1, 1919. 



The Experiment Station activities of the department have been 

 confined entirely to the University Farm at Tucson, on account 

 of lack of facilities for dairy work at any of the outlying Station 

 farms. A herd of Holstein-Friesian and Jersey cattle is main- 

 tained at the University Farm for classroom and investigational 

 work. Daily records of milk are kept, and the milk is tested for 

 two consecutive days in each month. The records of the cows 

 for their last lactation are given in Table No. VI. 



TABLE VI. YIELDS OE DAIRY COWS AT UNIVERSITY EARM 1919-1920 



Name of Cow 



Princess of Chewanbeck. . . . 



Childeberte 



I\f yrtle of Nogales 



Arizona Butter Girl 



Average for Jerseys 



tJelle Liscomb De Kol 2nd. . 

 *Joseph!ne Arizona Maid. . . 

 Moensje Jesse Aspirante. . . . 



Theresa Belle 3rd 



Josephine Arizona Maid 2nd 



^Madison Martha 2nd 



*Miss Pell Peitertje 



Johanna Madison Pauline. . . 



Theresa Belle DeVries 



Average for Holstein- 

 Friesians 



Yield in pounds 



milk 



5609.6 

 8442.2 

 6380.4 

 6331.8 

 6691.0 



9375.7 

 11338.4 

 9977.4 

 9921.4 

 12679.6 

 14481.7 

 11700.9 

 13995.7 

 13063.3 



11837.9 



butter- 

 fat 



240.6 

 510.8 

 277.1 

 371.1 

 349.9 



302.8 

 309.2 

 295.1 

 312.8 

 359.7 

 405.4 

 389.5 

 388.0 

 404.9 



351.9 



Avg. % 

 butter- 

 fat 



4.29 

 6.05 

 4.34 

 5.86 

 5.23 



3.23 

 2.73 

 2.96 

 3.15 

 2.84 

 2.79 

 3.32 

 2.77 

 3.09 



2.97 



*Milking period not complete. 



EXPERIMENT WITH DAIRY COWS 

 The raising of cotton having crowded out so much alfalfa 

 acreage, alfalfa hay has been scarce and high in price. It has been 

 impossible at times to secure alfalfa hay at prices the average dairy- 

 man could afford to pay. Most farms have cane or corn fodder and 



