³⁸ And he set the rods, which he had peeled, before the flocks in the gutters in the watering-troughs, when the flocks came to drink, that they should conceive when they came to drink.

⁴¹ It happened, whenever the stronger of the flock conceived, that Jacob laid the rods before the eyes of the flock in the gutters, that they might conceive among the rods;