Genesis 30:40

New Century Version

Jacob separated the young animals from the others, and he made them face the streaked and dark animals in Laban’s flock. Jacob kept his animals separate from Laban’s.

Cross References

Genesis 30:39

so the flocks mated in front of the branches. Then the young that were born were streaked, speckled, or spotted.

Genesis 30:41

When the stronger animals in the flock were mating, Jacob put the branches before their eyes so they would mate near the branches.