רַ֥ק אֶת־דָּמ֖וֹ לֹ֣א תֹאכֵ֑ל עַל־הָאָ֥רֶץ תִּשְׁפְּכֶ֖נּוּ כַּמָּֽיִם׃ (פ)
Only thou shalt not eat the blood thereof; thou shalt pour it out upon the ground as water.
Read halakhic rulings (Jewish law) on Deuteronomy 15:23: and classical halakhic sources.