PROBLEM TO BE SOLVED: To provide feed production methods using food residues that can provide feed with high quality by reducing the content of fine metallic impurities in feed; and to provide apparatus thereof.SOLUTION: A production method of feed is characterized by a hot oil under vacuum step of subjecting a food residue to a hot oil under vacuum to remove moisture in the food residue; an oil expression step of separating oil in a feed raw material subjected to hot oil under vacuum at the hot oil under vacuum step; a crushing step of crushing a feed raw material in which oil is separated at the oil expression step; a classification step of shifting the feed raw material crushed in the crushing step; and a metal impurity removing step of removing a metal impurity by applying magnetic force to the feed raw material shifted at the classification step.SELECTED DRAWING: Figure 2COPYRIGHT: (C)2018,JPO&INPIT【課題】飼料中の微細な金属不純物の含有量を低減し、品質の高い飼料を提供することができる食物残渣を用いた飼料の製造方法及びその装置を提供する。【解決手段】食物残渣を油温減圧乾燥処理して前記食物残渣中の水分を除去する油温減圧乾燥工程と、次いで、前記油温減圧乾燥工程で、油温減圧乾燥処理された飼料原料中の油分を分離する搾油工程と、次いで、前記搾油工程で油分が分離された飼料原料を粉砕処理する粉砕工程と、次いで、前記粉砕工程で粉砕処理された飼料原料を篩分けする分別工程と、次いで、前記分別工程で篩分けされた飼料原料に磁力を作用させて金属不純物を除去する金属不純物除去工程を有することを特徴とする飼料の製造方法。【選択図】図2