Laboratory Outline for General Bacteriology 



FERMENTATION 



Temperature. 



RELATION TO OXYGEN 



Method used 



Medium Temperature C. 



Aerobic growth ; absent present, better than anaerobic growth. 



Anaerobic growth: absent, occurs in presence of dextrose, of sucrose, of lactose, of nitrate; 

 better than aerobic growth. 



DIASTATIC ACTION 



Breadth of clear zone on starch agar plates, 

 in days : 



MILK 



Temperature. . 



Reaction: 1 day 2 days 4 days 7 days. 



Acid curd: 1 day 2 days 4 days 7 days. 



Rennet curd: 1 day 2 days 4 days 7 days. 



Peptonizat on : 1 day 2 days 4 days 7 days. 



Reduction of litmus in days; of methylene blue in days. 



Influence of indicator on growth . . 



10 days. 



... .10 days. 



10 days. 



10 days. 



Nitrite 

 Gas: 



Gas: 

 Nitrite 



NITRATE REDUCTION 



Medium Temperature C. 



1 day 2 days 4 days 7 days 10 days 



1 day 2 days 4 days 7 days 10 days 



Medium Temperature C. 



1 day 2 days 4 days 7 days 10 days 



1 day 2 days . .4 days 7 days 10 days 



