Latest update: August 10th, 2013
By Yehuda Shurpin
Scientists have recently demonstrated that they can now take stem cells from a cow and build them into hamburgers that look, feel and (almost) taste like the real thing. What does Jewish law have to say? Is this considered real meat? Is it kosher?
This is a fascinating question that needs to be studied carefully by expert rabbis when the issue becomes more practical and Petri-dish burgers become an affordable option. But here are some preliminary thoughts on the subject to give you some perspective.
Meat from Heaven
What makes this question so intriguing is that this is an example of how those seemingly fantastic Aggadic tales in the Talmud are nowadays becoming a starting point for new halachik questions.
There is actually a discussion in the Talmud about whether meat that does not come from an animal is considered kosher, although the origin of the meat in this case was even more miraculous:
A story of Rabbi Shimeon ben Chalafta, who was walking on the road, when lions met him and roared at him. Thereupon he quoted from Psalms: “The young lions roar for prey and to beg their food from G‑d,”1 and two lumps of flesh descended [from heaven]. They ate one and left the other. This he brought to the study hall and propounded: Is this fit [for food] or not? The scholar answered: “Nothing unfit descends from heaven.” Rabbi Zera asked Rabbi Abbahu: “What if something in the shape of a donkey were to descend?” He replied: “You ‘howling yorod,2’ did they not answer him that no unfit thing descends from heaven?”3
Miraculous meat appears again in the Talmud, although this time it was man-made:
Rabbi Chanina and Rabbi Oshaia would spend every Sabbath eve studying the “Book of Creation”4 by means of which they created a calf and ate it.5
In discussing this story, later commentators debate whether such an animal would require shechitah (kosher slaughter) in order to be eaten.
Rabbi Yeshayah Halevi Horowitz, known as the Shelah, writes that it is not considered a real animal and does not need shechitah.6
Others write that while a technical interpretation of Biblical law may not require such an animal to be slaughtered, the rabbinical prohibition of “marit ayin” (not engaging in acts that look misleadingly similar to forbidden activity) would necessitate slaughter–lest an onlooker think that ordinary meat is being consumed without shechitah.7
So far we have discussed “miracle meat” that came from heaven or was created by spiritual means. Some commentators defined this meat as miraculous because it did not come from a naturally-born animal. But do we consider any meat that does not come from a naturally-born animal to be “miracle meat”? Or does it need to come through an actual miracle? How about test-tube meat, which does come from actual animal cells? In this case the dictum that “no unfit thing descends from heaven” obviously would not apply. Here are some of the issues that will need to be explored:
● The Cells The scientist extracted the cells of a real animal and used them to grow the tissues in a Petri dish. If, and that is not a small if, the mere cells are considered substantial enough to be called meat, this may present a problem. In addition to the prohibition of eating a limb from a living animal,8 there is an additional injunction not to eat any meat that was severed from a live animal.9
This is an issue for non-Jews as well as Jews, since Noahide law dictates that non-Jews may not eat even a minute amount of meat that was separated from a living animal.10
For Jews, if the cells are considered real meat, then presumably they would need to be extracted from a kosher animal that was slaughtered according to Jewish law.
Another consideration is that there is a halachik concept, “the product of non-kosher is itself not kosher, and the product of that which is kosher is itself kosher.”11 While at first glance this would seem to imply that the cells need to come from a kosher source, it is not clear whether the above rule would apply to microscopic cells that were extracted from an animal.Chabad.org
About the Author: Chabad.org is a division of the Chabad-Lubavitch Media Center, under the auspices of the Lubavitch World Headquarters
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