Numbers 18:17

18:17 But you must not redeem the firstborn of a cow or a sheep or a goat; they are holy. You must splash their blood on the altar and burn their fat for an offering made by fire for a pleasing aroma to the Lord.

Numbers 27:17

27:17 who will go out before them, and who will come in before them, and who will lead them out, and who will bring them in, so that the community of the Lord may not be like sheep that have no shepherd.”

Numbers 31:30

31:30 From the Israelites’ half-share you are to take one portion out of fifty of the people, the cattle, the donkeys, and the sheep – from every kind of animal – and you are to give them to the Levites, who are responsible for the care of the Lord’s tabernacle.”