Why Animal Tithes Can Never Be Sold

How the Talmud reads the prohibition against redeeming animal tithes to forbid commercial sale.

לֹ֧א יְבַקֵּ֛ר בֵּֽין־ט֥וֹב לָרַ֖ע וְלֹ֣א יְמִירֶ֑נּוּ וְאִם־הָמֵ֣ר יְמִירֶ֔נּוּ וְהָֽיָה־ה֧וּא וּתְמוּרָת֛וֹ יִֽהְיֶה־קֹּ֖דֶשׁ לֹ֥א יִגָּאֵֽל׃

One must not look out for good as against bad, or make substitution for it. If one does make substitution for it, then it and its substitute shall both be holy: it cannot be redeemed. (Leviticus 27:33)

The Tithe in Its Biblical Setting

In the final chapter of Leviticus, the Torah commands the owner of a herd to pass every tenth newborn under a rod and consecrate it to God. The owner may not inspect the flock to select only the finest specimens for this ritual. Whatever animal emerges tenth becomes sacred automatically, whether it is healthy or blemished.

The passage concludes with an absolute restriction on changing this status. Once designated, the animal cannot be exchanged or released from its holiness. In its plain sense, the verse establishes that the owner cannot remove the animal's sanctity through redemption money.

וְהָיָה־הוּא וּתְמוּרָתוֹ יִהְיֶה־קֹדֶשׁ לֹא יִגָּאֵל

Then both it and that for which it is substituted shall be holy; it cannot be redeemed. (Leviticus 27:33)

From Redemption to Commercial Sale

The Gemara encounters a traditional teaching about consecrated animals that have developed blemishes. While a בכור (firstborn offering) may be sold alive by a priest once it is blemished, a מעשר בהמה (animal tithe offering) may never be sold under any circumstances,. It cannot be sold whether alive or slaughtered, and whether unblemished or blemished,.

The Gemara immediately questions the biblical basis for this sweeping ban. The verse states only that the tithe cannot be redeemed, meaning its holiness cannot be transferred onto coins. How does a ban on redemption imply that commercial sale is forbidden,?

בְּמַעֲשֵׂר נֶאֱמַר: ״לֹא יִגָּאֵל״, וְאֵינוֹ נִמְכָּר, לֹא חַי וְלֹא שָׁחוּט, וְלֹא תָּם וְלֹא בַּעַל מוּם. מְנָא הָנֵי מִילֵּי?

With regard to the animal tithe offering, it is stated: 'It shall not be redeemed,' and it cannot be sold, not alive and not slaughtered, not unblemished and not blemished. From where is this derived? (Bekhorot 32a:7)

A Verbal Analogy to Dedications

To bridge this gap, the Gemara constructs a גזירה שוה (verbal analogy) between animal tithes and חרמים (dedicated property). Regarding dedicated property, the Torah explicitly links two prohibitions by stating that it 'may neither be sold nor redeemed',.

Because both passages use identical phrasing of גאולה (redemption), the rules of one apply to the other,. Just as dedications cannot be sold, the animal tithe carries a prohibition against selling alongside its ban on redemption.

נֶאֱמַר ״לֹא יִגָּאֵל״ בְּמַעֲשֵׂר, וְנֶאֱמַר ״וְלֹא יִגָּאֵל״ בַּחֲרָמִים, מָה לְהַלָּן מְכִירָה עִמּוֹ, אַף כָּאן מְכִירָה עִמּוֹ.

It is stated: 'It shall not be redeemed,' with regard to the animal tithe, and it is stated: 'And it shall not be redeemed,' with regard to dedications. Just as there, sale is mentioned with it, so too here, sale is with it. (Bekhorot 32a:8)

Proving the Superfluous Word

A verbal analogy cannot withstand logical refutation unless at least one of the linked phrases is מופנה (superfluous). The Gemara demonstrates that the phrase 'it shall not be redeemed' in Leviticus 27:33 is entirely extra.

The baseline rule that an animal tithe cannot be redeemed does not need its own verse. That rule could already be derived from the firstborn through a shared textual root of העברה (passing). Scripture writes 'whatsoever passes under the rod' for tithes and an otherwise unnecessary phrase, 'and you shall cause to pass,' for the firstborn,.

Because the non-redemption rule can be learned from the firstborn, the explicit words 'it shall not be redeemed' in Leviticus 27:33 are free,. They exist specifically to forge the hermeneutical link to dedicated property and prohibit commercial sale,.

The Resulting Halacha

Through this close textual reading, the Gemara derives that an animal tithe cannot be sold by Torah law while it is alive,. The Sages subsequently extended this restriction to slaughtered tithes, lest one come to sell live tithes commercially.

The Sages only waived this rabbinic stringency in rare emergencies to protect vulnerable individuals,. In the case of orphaned children who cannot consume an entire slaughtered animal before it spoils, the court permits sale under biblical law to prevent severe financial loss,.

Because its redemption clause is superfluous, the animal tithe absorbs the ban on sale that governs dedicated property.

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