ymatic digestion of fecal debrisUS716629029 Ago 200223 Ene 2007Embrex, Inc.Methods for producing oocystsUS722961512 Oct 200512 Jun 2007Pfizer, Inc.separating the encysted protozoa from a suspension containing the encysted protozoa by either a salt flotation process where the salt is salts such as sodium sulfate, magnesium sulfate, magnesium chloride, calcium chloride, or mixtures thereof, or a gas