EXPERIMENTS WITH WHITE RATS 



66 



CHART 26 



Curve indicating average percentages of B. bul- 



garicus appearing in fecal specimens from rats 



fed on a diet containing B. bulgaricus 



D/CT in grams 



30 



20 



10 











4 



Brvod lO. 



Beef J. 



3-6tj/^ricus Sec 



Alumhcr of- days of^ cxsfrrnnis^a'/fon e^ o/iis^. 



2 4 6 8 /O /2 /4 



CHART 27 



Graph indicating average percentages of B. bul- 

 garicus appearing in the different parts of the 

 intestine of rats fed on a diet contain- 

 ing B. bulgaricus 



30 

 SO 

 /O 







.0 



V 



Bread JO. 



Be^f J. 



Bholparicus So.C. 



-H- 



-H- 



M- 



Parts of alimentary canal 



a 

 a 



<3 



05 

 o 



