Greetings Readers!
From the Llewellyn Magick Blog, August 31, 2015:
The subject of the use of blood in magickal rituals arises every so often in modern occult discussions. And, as you might expect, it tends to be a rather polarizing force. Some are willing to use blood—either their own or that of an animal—in their sacred rituals, while others consider it animal cruelty and are vehemently against the practice. Sadly, these discussions usually get off on the wrong foot from the very beginning, thanks to a very distorted view of ritual sacrifice held by Western culture. Most often, I see the assertion that ritual sacrifice is a method of “powering your magick via the death of a living creature.” And, even more unfortunate, it is sometimes said the magick is powered specifically by the terror and pain suffered by the creature.
I have addressed the subject of ritual sacrifice in many places—see Secrets of the Magickal Grimoires chapter four (Llewellyn), my introduction to Ritual Offerings (Nephillim Press), and a few other places on blogs and forums. I will briefly summarize here what I had to say on the subject elsewhere:
Read the Rest at: http://www.llewellyn.com/blog/2015/08/ritual-use-of-blood-yesterday-and-today/
Ananael (The Secrets of Wisdom) 
To me there’s nothing wrong with killing an animal and eating it. But when you kill it for the draining of blood and/or inflicting of pain and throw the carcass away, what a waste of LIFE that is and disregard for the decency and natural food chain of mother nature. Now we’re messing with their genes and hormones, how far can we go until we turn into heartless beasts ourselves? Some of you are already out there and you know who you are! Find recruits at Monsanto, be genetically fruitful and defectively multiply, something out there may find you tasty. Bon appetit!
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Actually, Roy, the traditions I’m aware of that practice animal sacrifice do, in fact, eat the carcass of the animal after offering the blood (and in some cases selected portions of the meat). The celebratory feast features the sacrificed animal as the main course.
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