/l/ Based on 3.) gal per 100 chicks dally. /2/ Based on I..7 gal per 100 chicks daily. /3/ Based on 1..8 gal per 100 hens daily, /h/ 

 Kilocalorles. These values represent the approximate amount of food energy actually available to and capable of use by the anljnal 

 from the food absorbed. /5/ Crude. /6/ Based on 2.51t fat in ration of mash and scratch. /7/ O.OOO6 mg g-carotene = one I. U. /8/ 

 Presumably utilized but not required In diet. /9/ A generic term including cyanocobalamln (vitamin B^g) and its hydrogenation product 

 (known variously as Big,, or Bjgb) which has approximately the same biological activity. /lO/ 0.025 ug crystalline Di (7-dehydrochole- 

 terol) . one International Chick Unit. The chicken utilizes Dg poorly, /ll/ A generic term for alpha-, beta-, delta-, and ganma-to- 

 copherols. /12/ Folic acid is not a chemical entity, but a generic term for pteroylglutamic acid (folacin), vitamin M, vitamin B,,, 

 factor U, L. OBsel factor, Norlte eluate factor. /13/ The antl-hemorrhagic factor. A generic term for vitamin K^ (2-methyl-5-phytyl- 

 l.lt-naphtfaoqulnone), synthetic vitamin K (menadione - 2-methyl-l,l.-naphthoqulnone) , and vitamin Kg (2-methyl-3-dlfamesyl-l,l.-naphtho- 

 qulnone). /l^/ The term Is used here as a generic term for nicotinic acid (niacin) aM nicotinic acid amide (nicotinamide); also for 

 pellagra preventive (P. P.) factor, antl-blacktongue factor. /15/ Includes pyridoxine, pyrldoxal and pyrldoxamlne. /16/ Required 

 only in form of cobalaoin. /17/ 25 ppm of feed considered optljmjm. /18/ Required only In form of methionine or cystine. 



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