VARIATION OF FAT IN MILK. 67 
TaBLE BY GURLER, SHOWING ReEcoRDs oF INDIVIDUAL Cows. 
od ag - £ 5, ad é 
© | 38 le | de | Fe] se]Selez] ¢ if 
a 2 = a6 o|s “| 
eo | 2 |28| 28 | 22 | ge /g2| s8/ 24 | Bb | ES 
Avy. of 
50 cows | 5708 |4.47/255.2 |297.7 |59.54/5453)14.00} 73.57/41.06)+19.98 
244 2382. 5|4.87]116.13]135.48)27 .09/2266] 5.66] 32.75/31.23)/—11.00 
154 3619 |4.51/163.4 |190.63/38.12/3494| 8.64) 46.76141.06]— 6.80 
44 3399 |4.58]/155.94)]181 .93/36. 86/3243] 8.10) 44.48]37.32)— 5.34 
72 2661 = |5.06/134.97|157 .46]31 .49)2526) 6.31) 37.80/26.45|/— 1.15 
308 4617 |3.83]177 . 16/206. 68/41 . 43}4440/11 .03} 52.36/39.321+ 0.44 
184 7997 |4.77|382 .04/445.71)89.14)7615]19.14)108 . 28/44 .32/+51.46 
262 9297 |5.03/372. 56/434. 65]86 . 93'8900}22 .00|)109 .02/44 .72}+ 51.80 
283 10151 |3.68/374. 76/436. 75/87 .35|9777|24 .44/111.79)44.72)+54.57 
129 8449 |4.52/406. 73/472. 18]94. 43/8545/21 .36/115.80/46.06]+ 57.24 
Av. of 4 
best 9098 |4.25/384.00/447 .32/89 .46]8709]21 . 76/111 . 22/44 .95) 4.53.77 
Av. of 4 
poorest | 3020 |4.75]142.60]160 . 40/33 . 28/2881] 7.20 sic gains — 5.98 
Av of 9 
cows 5897 |4.43/253.5 |295.7 |59.1415644)14.11 Bae +21 .25 
In making the calculations in the above table the price of 
butter per pound was taken as 20 cents, the skimmed milk 
was considered to be worth 25 cents per hundred pounds, and 
the cost of iabor was taken at $12.50 per cow. 
Breed of Cows.—There is a marked difference in the milk 
secreted by different breeds of cows. The most striking differ- 
ence is, perhaps, between the Holstein and the Jersey breeds, 
The former, as a rule, yields a large quantity of milk, with a 
comparatively low fat-content; the latter, as a rule, yields 
a comparatively small quantity of milk, with a high per- 
centage of fat. The influence of individuality of cows must 
not be overlooked in this connection. 
It is said that the color of the skin, and of the fine hairs on 
the exterior of the cow’s udder may be taken as a guide in 
selecting cows for breeding purposes. A fine soft skin, darkish 
golden yellow in color, enveloping the milk-glands, and covered 
with fine soft hair, are considered indications of rich milk. 
While the Jersey cows perhaps yield milk with a higher fat- 
