Ko te Dicalcium Phosphate DCP 18 Rangi hei taupā i roto i te kaihau kararehe. I īta, ka āwhina ia i te pūtanga koiora o te kararehe mā te whakanui i te calcium me te phosphorus i roto i te kai kararehe. Nā te āhuatanga rangi, he māmā ake te whakauru atu ki te kai kararehe tēnā i ngā taupā kai me ngā huaoko kai pāpori. Heoi anō, he māmā te whakamahi i te DCP 18 Rangi nā reira e taea ana te whakauru ki te kai mō te nuinga o ngā kararehe, tae atu ki ngā manu, ngā kau, me ngā poaka.