Genesis 30:39-41

New Revised Standard Version, Anglicised

³⁹ the flocks bred in front of the rods, and so the flocks produced young that were striped, speckled, and spotted. ⁴⁰ Jacob separated the lambs, and set the faces of the flocks toward the striped and the completely black animals in the flock of Laban; and he put his own droves apart, and did not put them with Laban’s flock. ⁴¹ Whenever the stronger of the flock were breeding, Jacob laid the rods in the troughs before the eyes of the flock, that they might breed among the rods,