Genesis 33:13

33:13 But Jacob said to him, “My lord knows that the children are young, and that I have to look after the sheep and cattle that are nursing their young. If they are driven too hard for even a single day, all the animals will die.

Genesis 41:3

41:3 Then seven bad-looking, thin cows were coming up after them from the Nile, and they stood beside the other cows at the edge of the river.