Deuteronomy 15:17-23 NIV

17 then take an awl and push it through his ear lobe into the door, and he will become your servant for life. Do the same for your maidservant.
18 Do not consider it a hardship to set your servant free, because his service to you these six years has been worth twice as much as that of a hired hand. And the LORD your God will bless you in everything you do.

The Firstborn Animals

19 Set apart for the LORD 1 your God every firstborn male2 of your herds and flocks.3 Do not put the firstborn of your oxen to work, and do not shear the firstborn of your sheep.4

References for Deuteronomy 15:19

20 Each year you and your family are to eat them in the presence of the LORD your God at the place he will choose.5

References for Deuteronomy 15:20

21 If an animal has a defect,6 is lame or blind, or has any serious flaw, you must not sacrifice it to the LORD your God.7

References for Deuteronomy 15:21

22 You are to eat it in your own towns. Both the ceremonially unclean and the clean may eat it, as if it were gazelle or deer.8

References for Deuteronomy 15:22

23 But you must not eat the blood; pour it out on the ground like water.9

References for Deuteronomy 15:23