Less Than A Year Old
Most Relevant Verses
"And every male among you who is eight days old shall be circumcised throughout your generations, a servant who is born in the house or who is bought with money from any foreigner, who is not of your descendants.
'Your lamb shall be an unblemished male a year old; you may take it from the sheep or from the goats.
"And He gave him the covenant of circumcision; and so Abraham became the father of Isaac, and circumcised him on the eighth day; and Isaac became the father of Jacob, and Jacob of the twelve patriarchs.
"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.