I roto i te mara o te tukatuka hohonu o ngā hua miraka, ko te wehenga pai o te miraka he hononga matua ki te whakarei ake i te uara tāpiri hua me te whakawhānui ake i ngā raina hua. I te tipu haere o te hiahia o te mākete mō te miraka ngako, te ngako miraka, te casein, me ngā momo hua pūmua miraka, kāore e taea e ngā tikanga tuku iho pēnei i te taunga pumau, te tātari ngāwari rānei te whakatutuki i ngā whakaritenga a te umanga miraka hou mō te whai huatanga o te wehenga, te parakore o te hua, me te tauine whakaputa. Ko te whakamahi i ngā centrifuges kōpae matatau mō te wehenga miraka kei te noho hei otinga pai mō te umanga hei wikitoria i ngā arai tukatuka me te whakatutuki i ngā whakapainga kounga me te whai hua.