STUDIES ON THE FERMENTATION OF BACILLUS THURINGIENSIS II .FERMENTATIVE CONDITION OF 14L FERMENTOR AND PREPARATION PRODUCTION

In this paper,the relationship between the culture temperature,speed of agitation,the pH befere autoclaving with the varies of N,C,pH of medium and bacterial numbers during fermentation process were studies by 14L fermentor.The culture temperature and speed of agitation are in relation to bacterial numbers.The starting pH befere autoclaving of medium bear a relation to pH variation during fermentative process.The culture temperature,speed of agitation and starting pH value have an effct on N,C of the medium.Technological process of preparation type of Bacillus thuringiensis has been defined.