FACTORS THAT AFFECT COMPOSITION OF MILK 57 



Influence of palm-nut meal on percentage of fat. 

 Average Per Cent of Fat in Periods of Three Weeks Each 



Usual ration 

 (Dec, 9- Jan 

 Palm-nut meal 



ration . . 

 (Jan. 20- Mar 

 Usual ration 



(1st three weeks 

 19.) \ 2d three weeks 



J 1st three weeks 

 *. | 2d three weeks 



(1st three weeks 



(Mar. 3- April 13) \ 2d three weeks 



Ration Unchanged 



December 9-29 . 

 December 30- Jan. 

 January 20-Feb. 9 

 February 10-Mar. 2 

 March 3-23 . . 

 March 24-April 13 



19 



Lot No. 1. 



Glista 

 Nether- 

 land 



3.06 

 3.39 



3.32 

 3.64 



3.47 



Belva 2d 



Narrow 

 Ration 



3.02 

 2.92 

 2.94 

 3.14 

 3.23 

 3.23 



Gem 

 Valen- 

 tine 



5.28 

 5.09 



5.80 

 5.80 



5.80 



5.84 



Cherry 

 Medium 

 Ration 



5.37 

 5.58 

 5.75 

 5.52 

 5.55 

 5.47 



Mollie 



2.98 

 2.92 



3.27 

 3.45 



3.31 

 3.30 



Clara 

 Wide 

 Ration 



5.11 

 5.30 

 5.68 

 5.44 

 5.45 



Mabel 

 2d 



Lot No. 2 



3.94 

 3.77 



4.32 

 4.35 



3.78' 

 4.03 



Ruby 



3.67 



3.26 

 3.27 



3.00 

 3.14 



Sadie 



3.21 

 3.63 



3.28 

 3.58 



2.92 

 3.48 



" Among the cows that were fed palm-nut meal it is seen that 

 all in lot No. 1 show in general a higher percent of fat while the 

 meal was fed than before, but this higher average is kept up for 

 six weeks after the meal was discontinued. Mabel 2d of lot No. 

 2 is the only cow that shows a lower average both before and 

 after feeding the palm-nut meal than during that period, but her 

 total yield of fat was less on the palm-nut ration than on the 

 usual ration. Ruby and Sadie each had a higher average before 

 the meal was fed and nearly as high after as during the period of 

 feeding the meal. Ruby's high average at the beginning is 

 probably due to her being fresh in milk. A comparison of the 

 records of all the cows in the table shows that with one 



