Genesis 30:36-38 Revised Standard Version Catholic Edition (RSVCE)
36 and he set a distance of three days’ journey between himself and Jacob; and Jacob fed the rest of Laban’s flock.
37 Then Jacob took fresh rods of poplar and almond and plane, and peeled white streaks in them, exposing the white of the rods. 38 He set the rods which he had peeled in front of the flocks in the runnels, that is, the watering troughs, where the flocks came to drink. And since they bred when they came to drink,