Deuteronomy 15:19-22

Save all the first male animals born to your herds and flocks. They are for the LORD your God. Do not work the first calf born to your oxen, and do not cut off the wool from the first lamb born to your sheep. Each year you and your family are to eat these animals in the presence of the LORD your God, in the place he will choose to be worshiped. If an animal is crippled or blind or has something else wrong, do not sacrifice it to the LORD your God. But you may eat that animal in your own town. Both clean and unclean people may eat it, as they would eat a gazelle or a deer.