Genesis 30:36

34Laban said, “Behold, let it be according to your word.”

35That day, he removed the male goats that were streaked and spotted, and all the female goats that were speckled and spotted, every one that had white in it, and all the black ones among the sheep, and gave them into the hand of his sons.

36He set three days’ journey between himself and Jacob, and Jacob fed the rest of Laban’s flocks.

37Jacob took to himself rods of fresh poplar, almond, and plane tree, peeled white streaks in them, and made the white appear which was in the rods.

38He set the rods which he had peeled opposite the flocks in the watering troughs where the flocks came to drink. They conceived when they came to drink.