抄録
1. The requirement of young carp for thiamine was studied by using the test diet devised by HALVER et al., and the short-necked clam diet which was made thiamine-free by autolysis.
2. In the feeding experiment with the HALVER diet for 13 weeks, no deficiency symptoms were demonstrated. This was also true for the short-necked clam diet for 8 weeks, which caused the typical deficiency symptoms in rainbow trout in 4 weeks.
