The present invention sorts a seed egg at high speed and non-invasively from various viewpoints, and includes a measurement unit (light irradiation unit 2 and light detection unit 3) for measuring state information indicating the state of the egg, and a measurement unit 2 3 based on the record associated with each individual egg of the multiple days of state information recorded in the recording unit 4 and the recording unit 4 that records the state information obtained by 3 in association with each individual egg And an egg sorting unit 5 for sorting eggs.本発明は、様々な観点から高速かつ非侵襲的に種卵を選別するものであり、種卵の状態を示す状態情報を計測する計測部（光照射部２、光検出部３）と、計測部２、３により得られた複数日の状態情報を個別の種卵毎に関連づけて記録する記録部４と、記録部４に記録された複数日の状態情報の個別の種卵毎に関連づけられた記録に基づいて種卵を選別する種卵選別部５とを備える。
