... moldy 3.promote nutrient absorption 4.absorb heavy metal poultry feed additivepelleting/binding/antibiotic !adsorbing toxin, heaven metal, ammonium ion ... heavy metals an toxic substances.1. used as a premixed feed carrier: strong adsorption, good liquidity.2. to prevent ... of consistent,uniform size, medium PH.4. for pellet feed additives.5. containing costant for growth of livestock and poultry, ...