Hydroxyproline content and cresol-red absorption as protein quality indicators respectively for meat by-products and soya-bean meals.
D000821:Animal Feed; D000818:Animals; D002645:Chickens; D003408:Cresols; D006909:Hydroxyproline / Q000032:analysis*; D008460:Meat / Q000032:analysis*; D013025:Glycine max / Q000032:analysis*
D003408:Cresols; D006909:Hydroxyproline