FIG. 3. 



The protective quality of botulism antitoxin in guinea pig's against 

 O'l cc. of the unfiltered broth culture of the organism isolated from the 

 ensilage. The control pig succumbed in approximately 48 hours. 



FIG. 4. 



The apparent protective quality of botulism antitoxin in guinea pigs 

 against 0.1 cc. of the filtered broth culture of organism isolated from 

 ensilage. The control pig succumbed in 3 days. 







FIG. 5. 



The protective quality of serum immune to the organism isolated from the 

 ensilage against B. botulinus. Control pig succumbed in 48 hours. 



