וַיֶּחֱמ֥וּ הַצֹּ֖אן אֶל־הַמַּקְל֑וֹת וַתֵּלַ֣דְןָ הַצֹּ֔אן עֲקֻדִּ֥ים נְקֻדִּ֖ים וּטְלֻאִֽים׃
And the flocks conceived at the sight of the rods, and the flocks brought forth streaked, speckled, and spotted.
Read kabbalistic (mystical) interpretation of Genesis 30:39: and classical mystical sources.