131 



STATE BOARD OF AGRlCULTURK. 



SAMPLE XV. 

 hours after milking. Dilution 1-1 CO. 12° + . 



hours after milking. Dilution 1-10,000. 12° + . 



5° I no colonies. 



10° 10000 



15° 30000 



20° I 10000 



Milk from ten-gallon can a^ dairy barn. 



SAMPLE XVL 



hours after milking. Dilution 1-100. 



13° + . 



5°. 

 10°. 

 15°. 

 20°. 



5°. 

 10°. 

 15°. 

 20°. 



7000 

 7400 

 12000 

 21800 



250000 

 50000 

 20000 

 60000 



12900 

 15200 

 22500 

 22100 



19980 

 21900 

 23800 

 22700 



21000 

 22400 

 24900 

 24000 



20800 

 22400 

 25000 

 24200 



hours after milking. Dilution 1-10,000. i;j° + . 



380000 

 520000 

 30000 

 130000 



340000 

 410000 

 30000 

 150000 



350000 

 410000 

 30000 

 150000 



350000 

 410000 

 30000 

 1.50000 



26900 

 28900 

 28600 

 27700 



70000 

 70000 

 80000 

 20000 



Milk from ten-gallon can at dairy farm. 



SAMPLE XVIL 

 liours after milking. Dilution I-IOO. 12°+. 



4S00 

 6600 

 12800 

 10300 



6300 

 7500 

 13600 

 11400 



7600 

 12100 

 14300 

 11400 



8000 

 12700 

 14300 

 11400 



hours after milking. Dilution 1-10,000. 12° + 



20000 

 20000 

 40000 

 30000 

 Milk from ten-gallon can at dairy farm. 



20000 

 20000 

 40000 

 40000 



20000 

 .30000 

 40000 

 40000 



20000 

 30000 

 40000 

 40000 



7900 

 8600 

 8400 

 0200 



20000 



20000 



10000 



) colonies. 



S.\MPLE XVIH. 

 hours after milking. Dilution 1-lCO. 



11° + . 



Milk from ten-gallon can at dairy barn. 

 * Moulds mistaken for colonies of bacteria. 



10000 



10000 

 40000 



27300 

 29700 

 29800 

 28800 



80000 

 70000 

 100000 

 30000 



9200 

 10700 

 14800 

 11300 



40000 

 30000 

 20000 

 10000 



