﻿VITAMIN B IN EDIBLE TISSUES OF OX, SHEEP, AND HOG. 



13 



Pen 17, getting a ration which contained 25 per cent of lamb 

 muscle No. 716, yielded results very similar to those obtained with 

 pen 16. 



The results of the test with pen 18, which was fed a ration contain- 

 ing 25 per cent of lamb muscle No. 719, are of particular interest. 



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Fig. 11. — Dried lamb muscles; changes in weights of 

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Fig. 13.— Dried lamb tongue; changes in weights of pigeons fed. 



Not one of these pigeons developed polyneuritis, and all were in 

 normal condition on the thirty-second day when the test was con- 

 cluded because the supply of this lot of lamb muscle was exhausted. 

 Although the survival period of this pen is recorded as 32 days, this 

 value should not be compared with those of the other pens, since the 



