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Sefer Hamitzvosספר המצוות

Day 177: Negative Commandment 113

Wednesday, 15 Av 5786 / July 29, 2026

Negative Commandment 113 (Digest)

Doing Work with Animal Designated for Sacrifice

"You shall not do any work with the firstborn of your ox"—Deuteronomy 15:19.

It is forbidden to do work with an animal designated for sacrifice [e.g., to use the animal to plow or to transport a load].

Unabridged English Text of this Mitzvah »

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> And the 113th prohibition is that we are forbidden from doing work with sanctified animals.

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> The source of this commandment is G‑d's statement,;) "Do not work with your firstborn ox."

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> [This verse speaks only about the firstborn animals, but] we derive the prohibition from working with all sanctified animals from the law of the firstborn.

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> It has been explained in the end of tractate Makkos;) that one who works with a sanctified animal is punished by lashes.

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> Footnotes

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> 1.

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> Deut. 15:19.

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> 2.

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> 21b.

Courtesy of Chabad.org · Sefer Hamitzvot, Sichos in English

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