When you have finished the purification, you are to present a young, unblemished bull and an unblemished ram from the flock.

Exodus 29:1
"Now this is what you are to do to consecrate Aaron and his sons to serve Me as priests: Take a young bull and two rams without blemish,

Exodus 29:10
You are to present the bull at the front of the Tent of Meeting, and Aaron and his sons are to lay their hands on its head.

Ezekiel 43:19
You are to give a young bull from the herd as a sin offering to the Levitical priests who are of the family of Zadok, who approach Me to minister before Me, declares the Lord GOD.

Ezekiel 45:18
This is what the Lord GOD says: 'On the first day of the first month you are to take a young bull without blemish and purify the sanctuary.

When you have made an end of cleansing it, you shall offer a young bullock without blemish, and a ram out of the flock without blemish.