Genesis 30:41
Whenever the stronger of the flock conceived, Jacob laid the rods in front of the eyes of the flock in the watering troughs, that they might conceive among the rods;
World English Bible (Public Domain)
In context
Before · Genesis 30:39–40
39The flocks conceived before the rods, and the flocks produced streaked, speckled, and spotted. 40Jacob separated the lambs, and set the faces of the flocks toward the streaked and all the black in Laban’s flock. He put his own droves apart, and didn’t put them into Laban’s flock.
41Whenever the stronger of the flock conceived, Jacob laid the rods in front of the eyes of the flock in the watering troughs, that they might conceive among the rods;