The invention relates to bedding material for animal husbandry, in particular for freestall pens, said bedding material consisting of a calciferous constituent and a volume-forming constituent consisting of straw, sawdust, oilseed rape chaff, hemp hurds or flax shives, pressed fermentation residues, manure and/or compost, characterised in that the calciferous constituent contains 0-25 wt% ground limestone and 75-100 wt% chamber filter cake, wherein the chamber filter cake is produced from the elutriable super-fine constituents in a limestone wash and/or dolomite wash after said elutriable super-fine constituents have been dehydrated in a chamber filter press or sedimentation tank. The invention also relates to a mat for animal husbandry, in particular for freestall pens.