Deuteronomy 15:14

15:14 You must supply them generously from your flock, your threshing floor, and your winepress – as the Lord your God has blessed you, you must give to them.

Deuteronomy 16:2

16:2 You must sacrifice the Passover animal (from the flock or the herd) to the Lord your God in the place where he chooses to locate his name.