/l/ Kilocalories. These values represent the approximate amount of food energy available to and capable of 

 use from the food absorbed. /2/ Cellulose. /5/ Casein. /U/ Sucrose. /5/ Glucose. /6/ Com oil. /7/ Lard. 

 /8/ 0.0006 mg 3-carotene = one l.U. /9/ As A and D oil (5000 I. U. A, UOO I. U. D per gram). /lO/ As A and 

 D oil (1200 I. U. A, and 170 I. U. D per gram). /ll/ Probably not required in short-term experiments with 

 offspring from well nourished mice. /12/ Possibly not required in diets of ordinary composition. /15/ A gen- 

 eric term including cyancobalamln (vitamin Bj^) and its hydrogenation product (known variously as Bj^ja °^ 

 Bl2b) which has approximately the same biological activity. /lU/ O.OU mg = toinimum requirement. /15/ 0.025 

 \ig, calciferol = one I. U. /16/ A generic term for alpha-, beta-, delta-, and gamma-tocopherols. /l7/ Folic 

 acid is not a chemical entity, buta generic term for pteroylglutamic acid (folacin), vitamin M, vitamin B,,, 

 factor U, L. casei factor, Norite eluate factor. /18/ The ant i -hemorrhagic factor. A generic term for vi- 

 tamin Kj^ (2-methyl-5-phytyl-l,U-naphthoquinone) , synthetic vitajmin K (menadione = 2-methyl-l,U-naphthoquin- 

 one) and vitamin Kg (2-methyl-5-difarnesyl-l,U-naphthoquinone) . /19/ The term is used here as a generic 

 term for nicotinic acid (niacin) and nicotinic acid amide (nicotinamide); also for pellagra preventive 

 (p. P.) factor, anti-blacktongue factor. /20/ Response to nicotinamide inversely proportional to trypto- 

 phan content of diet. /2l/ As calcium pantothenate. /22/ Includes pyridoxine, pyridoxal, pyr Idoxamlne . 

 /25/ 1:20 Uver extract. 



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