Table 1. — Thiaminase presence in freshwater animals — Continued. 



Common name 



Part of fish 

 analyzed 



Scientific name 



Source 



Thiaminase 



presence 

 or absence 1 



Reference 



White-fish Dressed 



White perch Muscle 



White perch Viscera 



Yellow perch Whole 



Coregoims clupeaformis Great Lakes 



Morone americana Not stated 



Morone americana Not stated 



Perca flavescens Great Lakes 



+ 



3 

 11 

 11 



3, 11 



1 + indicates that thiaminase was found to be present; — indicates that it was not found to be present. 

 - Unpublished data. Analyses made at National Marine Fisheries Service, Ann Arbor Technological Laboratory, Ann 

 Arbor, Mich. (Analyses performed by the chemical method of: Gnaedinger, 1965.) 



