Patent ID: 8652547

Claim:
Process for preparing cores of granules intended for animal nutrition, said cores comprising a mixture of the following ingredients: a hydrophilic active principle present in a content of greater than or equal to 60% by weight, at least one meltable binder, at least one plasticizer, and a starch in an amount that increases the extrusion rate and decreases the friability of a plurality of extrudates, in comparison with cellulose when no starch is used, said process comprising (a) mixing the ingredients to obtain the mixture, (b) dry co-grinding the mixture at a temperature of not more than 50° C. so that the ground mixture is in the form of particles having a median diameter which varies from 50 μm to 100 μm. (c) extruding the mixture through an extruder, equipped with one or more dies, so as to obtain rods, and (d) spheronizing the rods, wherein the prepared cores are homogeneous hydrophilic active principle cores of granules intended for animal nutrition.