PROBLEM TO BE SOLVED: To provide a stable composition for artificial insemination of constant quality, safe with no concern for being subject to infection.SOLUTION: The composition for artificial insemination characterized by including sericin is provided. Using this composition, embryos, sperms and ova are cultured and preserved.COPYRIGHT: (C)2012,JPO&INPIT【課題】感染の懸念のない安全で品質が一定で安定した人工受精用組成物を提供する。【解決手段】セリシンを含有することを特徴とする人工受精用組成物を用いて、胚、精子及び卵子の培養及び保存を行う。【選択図】なし