Deuteronomy 12:17 specifies that firstborn animals must be eaten before the LORD at the chosen place, not in towns — reinforcing the consecration command.

Deuteronomy 14:23 commands eating firstborn before the LORD at the sanctuary to learn to fear God — connecting consecration to worship and reverence.

Deuteronomy 12:6 lists firstborn among offerings to be brought to the central sanctuary — reinforcing the command to consecrate and bring them there.

Deuteronomy 12:5-7 prescribes bringing offerings to God's chosen place — where firstborn were to be eaten.

Exodus 13:2 commands consecrating all firstborn — the same foundational law repeated here for animals.

Exodus 13:12 restates setting apart firstborn males of beasts — reinforcing this law.

Exodus 34:19 repeats that every firstling of cattle (male) belongs to the Lord.

Leviticus 27:26 declares firstborn animals already the Lord's — no further sanctification needed.

Numbers 3:13 explains the reason: all firstborn belong to God because of the Passover plague.

Numbers 18:15 gives firstborn of clean animals to priests as their portion — contrasting with Deuteronomy's command that owners eat them before the LORD.

Numbers 18:17 adds sacrificial instructions for firstborn animals — they are holy and must be offered.

Exodus 22:30 specifies that firstborn animals are to be given to the LORD on the eighth day after birth — adding a timing detail not in Deuteronomy.