TEST OF TEN OXFORD DAIRIES 109 
the experiment. The dairy farms at Kelton were 
a good average type of Pennsylvania dairies, but 
had never undertaken to produce milk containing 
small numbers of bacteria. Samples from all 
of the 56 dairies located there were taken by 
the bacteriologist, and from the number, Io dairy 
farms were selected. The bacteria found in the 
milk of the Kelton dairies for five days before 
the date of the experiment are shown in the fol- 
lowing tabulation: 
BACTERIAL TESTS OF MILK PRODUCED ON KELTON 
DAIRIES 
By KELTON DAIRYMEN 
March 29. | March 30. April 1. April 2. April 3. April 5. 
1,200,000 |I,160,000 60,000 60,000 57,000 | 1,830,000 
950,000 | 2,800,000 680,000 | 1,520,000 
570,000 | 910,000 | 810,000 380,000 | 1,000,000 | 4,830,000 
2,000,000 | 760,000 |3,000,000 | 1,200,000 940,000 | 4,000,000 
5,000,000 | 500,000 |1,600,000 | 1,000,000 | ........ 1,450,000 
290,000 |I,100,000 | 600,000 | 3,000,000 | 2,600,000 | 3,600,000 
1,400,000 | ....... 320,000 | ........ 8,000,000 60,000 
11,000 9,000 
4,000,000 |2,100,000 |2,200,000 540,000 56,000 70,000 
1,900,000 | 800,000 | 380,000 | 1,600,000 | 1,110,000 500,000 
