וְכִ֤י יִפֹּל֙ מִנִּבְלָתָ֔ם עַל־כָּל־זֶ֥רַע זֵר֖וּעַ אֲשֶׁ֣ר יִזָּרֵ֑עַ טָה֖וֹר הֽוּא׃
And if aught of their carcass fall upon any sowing seed which is to be sown, it is clean.
Read kabbalistic (mystical) interpretation of Leviticus 11:37: and classical mystical sources.