Matthew Poole and continuators on Ezekiel 43:23

23 When thou hast made an end of cleansing it, thou shalt offer a young bullock without blemish, and a ram out of the flock without blemish.

Of the first and second days Sacrifices, and cleansing the Altar.

On the third day, and so on, through seven dayes.

A Kid, verse 22. now a Ram, both, or either, as God appoints, there was no inherent excellency in either one or other to commend them to God, but a Male, and without blemish it must be.