44 BULLETIN 642, U. 8. DEPARTMENT OF AGRICULTURE. 
TABLE 19.—The bacterial content of 249 samples of fresh milk as produced on 12 
Farm | Bacteria 
No. | perce.c. 
Farm | Bacteria 
No. per c. c. 
14 119, 000 
130,000 
190, 000 
290, 000 
90, 000 
64, 000 
1, 250, 000 
1 505, 000 
1 400, 000 
1 660, 000 
1 145,000 
-1.820,.000 
121,000 
1 168,000 
1 230,000 
1 470, 000 
1 121,000 
12,270,000 
1 1, 8907000 
1 930, 000 
1 1,020,000 
29, 400 
25, 000 
20, 000 
13,000 
22,000 
16 
W 30, 000 
21,000 
20, 000 
78,000 
84” 000 
1 40,000 
1 4’ 000 
111,000 
1 98, 000 
1 33,000 
1347000 
farms. 
Farm | Bacteria | 
No. peLEe. Ce 
20 10,300 
23 240, 000 
400, 000 
112; 000 
65, 000 
170, 000 
1 145,000 
1 490, 000 
1 233,000 
1 300, 000 
1 63,000 
1 37, 000 
27 420, 000 
134, 000 
91, 000 
47, 000 
155, 000 
93, 000 
77, 000 
188, 000 
118, 000 
102, 000 
44, 200 
406, 000 
140, 000 
1,140, 000 
92,000 
34, 400 
13, 300 
105, 000 
153, 000 
82.000 
44° 000 
1 Morning’s milk. 
Farm 
Q7 20, 000 
42, 000 
92,000 
1 130, 000 
1 242° 000 
136,000 
1 4,000 
1 26, 000 
1 250, 000 
116,000 
1 20,000 
1 64,000 
4, 200 
43 70, 000 
320, 000 
64, 000 
6, 600 
No. 
43 
47 
Average of allsamples, 249, taken on 12 farms was 135,146 bacteria per cubic centimeter. 
Average of 173 samples of night’s milk taken on 12 farms was 115,135 bacteria per cubic centimeter. 
Average of 76 samples of morning’s milk taken on 9 farms was 180,696 bacteria per cubic centimeter. 
Bacteria | Farm | Bacteria 
No. Perce: 
per ¢c. c. 
The samples may be grouped according to the number of bacteria 
per cubic centimeter, as follows: 
1,000,001 or more 
500,001 to 1,000,000 
250,001 to 500,000 
100,001 to 250,000 
50,001 to 100,000 
50,000 or below__ 
Samples. 
cor) 
249 
These figures indicate that the presence of millions of bacteria in 
milk, which in the past have been considered to a large extent as 
