Additive for stock feeds, stock feed containing additive, and process for preparation of additive

A process for preparing an additive for stock feeds which comprises the steps of chopping and grinding chicory roots to form a slurry, adding an endo-type inulase produced by mold fungi or bacteria to said slurry, and enzymatically decomposing said chicory roots at a temperature of 40.degree. to 60.degree. C. for 12 to 36 hours.

A process for preparing an additive for stock feeds which comprises the steps of chopping and then heating and/or drying chicory roots to form chicory flakes, adding water to said chicory flakes to form a slurry, adding an endo-type inulase produced by mold fungi or bacteria to said slurry, and enzymatically decomposing said chicory flakes in said slurry at a temperature of 40.degree. to 60.degree. C. for 12 to 36 hours.

A method for reducing diarrhea and increasing the body weight of livestock which comprises feeding to said livestock a stock feed containing 0.1 to 10% by weight of an additive which comprises the decomposition products of chicory roots selected from products obtained by heating and drying chopped chicory roots;

• products obtained by first chopping and grinding chicory roots into fine pieces, then preparing a slurry of the pieces, and enzymatically decomposing the slurry;
• and products obtained by first chopping the chicory roots into fine pieces, heating and drying the fine pieces, adding water thereto to form a slurry, and enzymatically decomposing the slurry, in which the total content of inulooligosaccharides of tri- and higher saccharides and polysaccharides obtained by decomposing said chicory roots is 40% by weight or more of the total solids content and is 80% by weight or more of the total saccharides.