Ko tētahi wāhanga matua nui o te whangai mō ngā manu kākāriki ko te Corn Gluten Meal (CGM). Ka whakamihi kia tino teitei te raraunga o te pūpā aminō me te pūpā. Ka mōhiotia anō hoki e whanake ake ana, ka hauora ake hoki ngā manu kākāriki. Mā te whakauru i te Corn Gluten Meal ki ngā raihana whangai ka pai ake ngā ōrau hurihanga whangai, ka hauora ake anō hoki ngā pūnaha ārai mate o ngā manu. Ko te whanaketanga o te hauora o ngā manu ka hua ai te whanaketanga pai ake, me te whakamahi i ngā rāwekenga i runga i te aronga kia mōrearea ake.