Was not this prohibition of blood evidently intended to point to the infinitely preciousness of the blood of JESUS? All along from the very first of creation, had the HOLY GHOST an eye to this, in his sacred word! Genesis 9:4.
Related Commentaries of Deuteronomy 12:15
Deuteronomy 12:15-16
15 Notwithstanding thou mayest kill and eat flesh in all thy gates, whatsoever thy soul lusteth after, according to the blessing of the LORD thy God which he hath given thee: the unclean and the clean may eat thereof, as of the roebuck, and as of the hart.
16 Only ye shall not eat the blood; ye shall pour it upon the earth as water.