ig) 
PRODUCTION OF MILK OF LOW BACTERIAL CONTENT. 
work, showing the per cent of the various groups found in the regu- 
lar milk and the corresponding samples of middle milk directly from 
the udder, are shown in Table 5. It is interesting to note that the 
average per cent of the bacterial groups in the milk checks very 
closely with the average of those in the milk taken directly from the 
udder. Taking the bacterial groups and counts into consideration, 
it seems evident that milk produced under the conditions of the 
experiment was of a high quality from a bacteriological standpoint 
and was very similar to that taken directly from the udder of the 
cow. The results of the experiment agree closely with those ob- 
tained by North (2), who found it possible to produce low-count 
milk by the use of small-top, sterilized pails in an old barn. 
TABLE 5.—A comparison of the bacterial groups found in clean milk of low 
bacterial count and in milk directly from the udder. 
BACTERIAL GROUPS IN MILK SAMPLES, 
ee Acid 
Cl & coagu- 
Date. Sample) coagu- | Acid. | Inert. | Alkali. ae lating 
lating. 8: (pepton- 
izing). 
1916 Per cent. | Per cent.| Per cent.| Per cent.| Per cent. | Per cent. 
TLS) OL PAD) a sues ch a ae 9 44,45 12. 96 25. 92 0 0 16. 67 
TENE) GTO a ae oh Te ig or ie 10 0 57.14 37.14 0 De 02, 0 
ABP Tht Se ee YS ts I ae 11 47.62 4.76 14. 29 0 0 33.33 
TIS Ts ea as ee sha ope ee 12 0 17.56 75. 68 0 6.76 0 
NUE WARS Se Be ace ete ee ee 19 69. 40 10. 39 14.75 0 0 5.46 
NARS WY Se eS A Se ee eee a 66 63. 06 5.09 17.19 . 64 11.48 2.54 
TA PP es a Oa Ia alee PO 91 | 7.00 85. 00 3.00 2.00 3.00 0 
BVT Tae We eter ee meprnie has ae ee ot ee 92 75.30 10. 24 11.44 3.02 0 0 
INTRONS SA als Sot Oe a eee 38. 36 25.39 24. 93 . 64 Bao STR D5 
BACTERIAL GROUPS IN MILK DIRECTLY FROM THE UDDER. 
hea Acid 
Cl coagu- 
Date. cow coagu- | Acid. Inert. | Alkali. pe vtOn lating 
lating. m8- | (pepton- 
izing). 
1916 Per cent. | Per cent.| Per cent.| Per cent.| Per cent. | Per cent. 
TOO PS) oe ccs ee ae one een a ae 2 19. 00 39. 00 36. 00 1.00 5.00 0 
LS] Os SAO) seine ie eS a ee ee ea 23 0 97.81 0 0 2.19 0 
ACD EEL ee er eels ce se os 26 82. 86 8.57 8.57 0 0 0 
VETS Oe aie ie yan, RU og Re 2 28. 04 64. 02 BP 0 4.67 0 
JT es Oa ale 0 a eg a arg 23 5.11 87. 66 3. 83 0 0 3.40 
VT OR etapa we eee ie ease ot 26 85. 71 14.29 0 0 0 0 
igre, NGCSs Sacek Sees Se eee 2 68. 34 12.08 5.00 0 0 14.58 
MoT SGh etre ete ice ss So re ee 2 23 2.94 88. 82 1.18 0 0 7.06 
Micrel Gee eee Se eo SS 26 77.09 0 2.08 0 2.08 18. 75 
IM EGR OE, os ie oe 23 5.78 72. 83 14. 46 1.73 ils 783 3.47 
ITB, Soe ses a rs eo eee ee age 26 64. 58 16. 67 16. 67 0 2.08 0 
INVER OS cin ob SOG SRE ORES So AcIGOE EE Sar 39. 95 45.61 8. 28 25 1.61 4.29 
