Station Bulletin 310 



November, 1938 



Vitamin "A" Requirements of 

 Growing Cliicks 



A Review of Experimental Work 



A. E. Tepper and R. C. Durgin 



^ 



New Hampshire Agricultural Experiment Station 



University of New Hampsliire 

 Durham 



Aicks whose ra- 

 ts deficient in 

 A. 



normal chicks. 



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