from distillers' or brewers' waste

Full Title

Animal feeding-stuffs > from material of plant origin, e.g. roots, seeds or hay; from material of fungal origin, e.g. mushrooms (obtained by microbiological or biochemical processes, e.g. using yeasts or enzymes, A23K10/10) > from waste material (from hydrolysates of wood or straw A23K10/32; from molasses A23K10/33) > from distillers' or brewers' waste