יחזקאל מה:כג פירוש: רש״י

seven bulls and seven rams without blemish daily But the Torah states (Num. 28:19): “two young bulls, one ram.” We can explain this verse only as meaning seven bulls and seven rams for the seven days, a bull daily and a ram daily, and it comes to teach us that the bulls do not render each other invalid and the rams do not render each other invalid. [I.e., if one bull is missing, the other one may be brought.] So we learned in Menahoth (45a); however, they did not bring proof from this verse but from the verse below (46:6): “But on the New Moon: a young bull from those without blemish, and six lambs and a ram.” But perhaps this too comes to teach the same thing, and this is its meaning: seven bulls and seven rams daily. By adding the sacrifices of each day on its day, they add up to seven bulls for the seven days.

and a sin-offering, a he-goat daily the he-goats of the pilgrimage festivals.