Numerous Sarcocystis species are known to be involved in complex natural predator-prey life cycles with many different predator animals and with their preferred prey. This protozoan parasite undergoes sexual reproduction in the predator animal (definitive host) to produce sporocysts. which are excreted in the faeces. Upon ingestion by the prey animal (intermediate host). https://www.roneverhart.com/Bioderma-Atoderm-Intensive-Gel-Creme-16-7oz/