jSTew York Agricultural Experiment Station. 



93 



Table V. — Bacterial Counts of Milk from Farm C. 

 Numbers computed for a cubic centimeter. 



Date. 



1913. 



Mar. 



April 



Mar. 



April 



24 



25 



27 



28 



31 



1 



3 



4 



7 



8 



10 



11 



14 



15 



17 



18 



19 



24 



25 



27 



28 



31 



1 



3 



4 



7 



8 



10 



11 



14 



15 



17 



18 



19 



Agar plate 

 counts. 



Counts Under Microscope. 



Total 

 bacteria. 



Bacteria 



and 

 clumps.* 



Clumps. 



Morning Milk. 



t 



344,000 



21,000 



38,000 



34,000 



10,000 



13,000 



6,000 



t 



t 



14,000 



6,420 



12,000 



17,000 



9,130 



5,000 



6,900 



34,000 



t 



80,000 



6,000 



12,000 



40,000 



9,750 



5,500 



t 



t 



9,500 



t 



12,000 



10,000 



7,330 



7,250 



142,000 



544,000 

 428,000 

 500,000 

 156,000 

 710,000 

 420,000 

 388,000 

 560,000 

 112,000 

 48,000 

 200,000 

 2,960,000 

 104,000 

 288,000 

 325,000 

 283,000 

 164,000 



524,000 

 3,220,000 

 880,000 

 296,000 

 630,000 

 428,000 

 600,000 

 310,000 

 304,000 

 240,000 

 235,000 

 240,000 

 880,000 

 840,000 

 368,000 

 970,000 

 5,290,000 



152 

 116 

 156 



48 

 190 

 140 

 104 

 280 



48 



32 



68 

 960 



56 

 101 



91 

 123 



52 



Night 



144 



600 

 170 



56 

 160 



75 

 120 

 160 



101 

 112 

 120 

 170 

 112 

 270 

 190 



000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 



Milk. 



000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 

 000 



Fields 

 counted. 



Ratios Be- 

 tween Counts. 



A.p.T.b. & B c _ 



15.4: 4.2 



11.0: 



49.3: 



52.5: 



17.0: 



61. 



56. 



.5: 

 .3: 



2 

 9 



13 

 1 



12 



29.0 



1: 24.6: 10.6 



73.3: 

 84.0: 

 50.2: 

 133.7: 

 37.2: 



10.0 

 17.0 

 15.2 

 37.2 

 1.3 



* Each clump and each isolated bacterium counted as one; individual bacteria in 

 slumps not counted. 

 t Plates contaminated. 



