Offer only animals which are at least eight days old

"When an ox or a sheep or a goat is born, it shall remain seven days with its mother, and from the eighth day on it shall be accepted as a sacrifice of an offering by fire to the LORD.

Hebrew

כז שׁוֹר אוֹ-כֶשֶׂב אוֹ-עֵז כִּי יִוָּלֵד, וְהָיָה שִׁבְעַת יָמִים תַּחַת אִמּוֹ; וּמִיּוֹם הַשְּׁמִינִי, וָהָלְאָה, יֵרָצֶה, לְקָרְבַּן אִשֶּׁה לַיהוָה.

Greek

27 Μόσχον ἢ πρόβατον ἢ αἶγα, ὡς ἂν τεχθῇ, καὶ ἔσται ἑπτὰ ἡμέρας ὑπὸ τὴν μητέρα, τῇ δὲ ἡμέρᾳ τῇ ὀγδόῃ καὶ ἐπέκεινα δεχθήσεται εἰς δῶρα, κάρπωμα κυρίῳ.

• Parashah: Emor
• Sefer HaChinuch: 293
• Mishneh Torah: Service — Things Forbidden on the Altar

• Leviticus 22:27

Enumeration and classification from BibleData. The Greek is the Septuagint reading of the same verse, carried by the source for comparison.