Mishnah Bekhorot 9:1-2

Sugya Map

• Issue: The scope and application of Ma'aser Behema (animal tithe), including its geographic and temporal validity, which animals are included, rules for joining different flocks, criteria for exclusion, and the precise tithing procedure.
• Nafka Mina(s):
  • Whether the mitzvah applies today in the absence of the Temple, and specifically outside Eretz Yisrael.
  • How to categorize different types of animals (sheep vs. goats, new vs. old) for tithing.
  • The practical implications for owners regarding sale, slaughter, and consumption of animals prior to tithing.
  • The halachic status of incorrectly tithed animals (e.g., "ninth" called "tenth").
  • The fundamental principles governing gezeirot that impact mitzvos de'oraita.
• Primary Sources:
  • Mishnah Bekhorot 9:1-2
  • Vayikra 27:32 ("וְכָל מַעְשַׂר בָּקָר וָצֹאן כֹּל אֲשֶׁר יַעֲבֹר תַּחַת הַשָּׁבֶט הָעֲשִׂירִי יִהְיֶה קֹדֶשׁ לַה'")
  • Devarim 12:5-6 ("כִּי אִם אֶל הַמָּקוֹם אֲשֶׁר יִבְחַר ה' אֱלֹהֵיכֶם מִכָּל שִׁבְטֵיכֶם לָשׂוּם אֶת שְׁמוֹ שָׁם לְשִׁכְנוֹ תִדְרְשׁוּ וּבָאתָ שָּׁמָּה. וַהֲבֵאתֶם שָׁמָּה אֶת עֹלֹתֵיכֶם וְזִבְחֵיכֶם וְאֵת מַעְשְׂרֹתֵיכֶם וְאֵת תְּרוּמַת יֶדְכֶם וְנִדְרֵיכֶם וְנִדְבֹתֵיכֶם וּבְכֹרֹת בְּקַרְכֶם וְצֹאנְכֶם")
  • Devarim 14:22 ("עַשֵּׂר תְּעַשֵּׂר אֵת כָּל תְּבוּאַת זַרְעֶךָ הַיֹּצֵא הַשָּׂדֶה שָׁנָה שָׁנָה")
  • Gemara Bekhorot 53a-54b

Text Snapshot

The Mishnah (Bekhorot 9:1-2) lays out the intricate halachot of Ma'aser Behema. Let's zero in on some key phrases and their implications:

• מַעֲשֵׂר בְּהֵמָה נוֹהֵג בָּאָרֶץ וּבְחוּצָה לָאָרֶץ, בִּפְנֵי הַבַּיִת וְשֶׁלֹּא בִּפְנֵי הַבַּיִת. (Mishnah Bekhorot 9:1:1)
  • This opening statement is foundational, declaring the mitzvah to be universally applicable, geographically and temporally. The Gemara (Bekhorot 53a) grapples with the tension between this Mishnah and the pasuk in Devarim 12:5-6 which implies ma'asrot are brought שמה (to the chosen place). This sets up a crucial derabanan restriction, as we'll see.
• וּבַחֲדָשׁ וּבַיָּשָׁן, וְאֵין מִתְעַשְּׂרִין מִזֶּה עַל זֶה. קַל וָחֹמֶר: וּמָה אִם חָדָשׁ וְיָשָׁן שֶׁאֵין בָּהֶם כִּלְאַיִם זֶה בָּזֶה אֵין מִתְעַשְּׂרִין מִזֶּה עַל זֶה, כְּבָשִׂים וַעֲזִים שֶׁיֵּשׁ בָּהֶם כִּלְאַיִם זֶה בָּזֶה, אֵינוֹ דִין שֶׁלֹּא יִתְעַשְּׂרוּ מִזֶּה עַל זֶה? תַּלְמוּד לוֹמַר: "אוֹ הַצֹּאן" (ויקרא כז, לב), לְרַבּוֹת שֶׁכָּל הַצֹּאן אֶחָד. (Mishnah Bekhorot 9:1:1)
  • The structure here is classic: a din (new/old not tithed together), followed by a kal v'chomer (sheep/goats a fortiori shouldn't be), which is then immediately rejected by a pasuk (Leviticus 27:32) to teach the opposite (sheep/goats are tithed together). This highlights the Torah's ability to override logical inferences with explicit pesukim. The term לרבות (to include) is key to the derasha.
• וְאֵיזֶהוּ יָתוֹם? כָּל שֶׁמֵּתָה אִמּוֹ אוֹ נִשְׁחֲטָה וְאַחַר כָּךְ יָלְדָה. (Mishnah Bekhorot 9:1:2)
  • The precise definition of an "orphan" animal, excluded from tithing, is crucial. The order of events ("died/slaughtered then gave birth") is critical, contrasting R' Yehoshua's view ("even if its mother was slaughtered but its hide exists"). This speaks to the concept of chayut (vitality) and the mother-offspring bond.
• אֵיזוֹ הִיא עֲשִׂירִית? אֶחָד, שְׁנַיִם, שְׁלֹשָׁה, אַרְבָּעָה, חֲמִשָּׁה, שִׁשָּׁה, שִׁבְעָה, שְׁמוֹנָה, תִּשְׁעָה, וְצָבַע אֶת הָעֲשִׂירִי בַּשּׁוֹפֶר, וְאוֹמֵר: הֲרֵי זוֹ מַעֲשֵׂר. (Mishnah Bekhorot 9:1:2)
  • This describes the iconic "rod" ceremony (Lev. 27:32). The specific actions of counting, painting, and declaring are integral. The dikduk of "עשירית" (the tenth female animal, implying any animal can be the tenth) is noteworthy. The subsequent halachot about miscounting ("תשיעי קרא עשירי") demonstrate the sanctity inherent in the process of tithing, not just the numerical outcome.

Readings

Rambam on Mishnah Bekhorot 9:1:1: The Gezeira of Shev V'al Ta'aseh

The Rambam, in his commentary to the Mishnah on Bekhorot 9:1:1, offers a profound insight into the practical application of Ma'aser Behema (MB), particularly in our current era. He states: "כבר זכרנו פעמים רבות שהמעשר בהמה מקריבין ממנו חלבו ודמו ואוכלין אותו הבעלים בירושלים ואם אירע בו מום יאכל בטומאה בכל מקום." (Rambam, Peirush HaMishnayot, Bekhorot 9:1:1). He reminds us of the dual nature of MB: it is sacrificed in the Temple (with its fats and blood offered) and eaten by the owner in Jerusalem, or if it develops a blemish, it may be eaten anywhere, even in a state of tumah. This establishes the framework for its sanctity.

His central chiddush lies in reconciling the Mishnah's statement that MB applies "בפני הבית ושלא בפני הבית" (in the presence of the Temple and not in its presence) with current practice. He clarifies: "ומה שאמר בכאן שהוא נוהג בפני הבית ושלא בפני הבית הוא דין תורה אבל משום תקלה אמרו אינו נוהג אלא בפני הבית גזירה שמא לא יהא שם מקדש ויאכל חוצה לארץ בלא מום." (Rambam, Peirush HaMishnayot, Bekhorot 9:1:1). The Mishnah's declaration is min haTorah. However, Chazal enacted a gezeira (decree) due to a takalah (potential mishap), stipulating that MB is not practiced "שלא בפני הבית" (when the Temple is not standing). The concern is that without the Temple, people might mistakenly eat the untithed animal outside of Eretz Yisrael without a blemish, a severe transgression. This is a classic instance of Chazal employing a shev v'al ta'aseh (a passive prohibition) to prevent a more serious de'oraita violation.

The Rambam further notes the Mishnah's exclusion of mukdashin (sacred animals) from MB, even kodshim kalim (lesser sacrifices) which some consider mamon ba'alim (owner's property). This underscores that MB applies specifically to chullin (non-sacred animals) that are destined for kedusha through tithing, not those already consecrated.

Regarding the distinction between chadash (new) and yashan (old) animals, the Rambam explains that they are not tithed from one for the other. This is derived from a hekesh (juxtaposition) between Ma'aser Behema and Ma'aser Dagan (grain tithe). Just as Ma'aser Dagan is separated "שנה שנה" (year by year, Devarim 14:22), implying that crops from different years are distinct, so too for Ma'aser Behema. "אמר רחמנא עשר תעשר וגו' אמרו בשני מעשרות הכתוב מדבר אחד מעשר בהמה ואחד מעשר דגן וכמו שמעשר דגן אין מעשרין מן הישן על החדש ולא מן החדש על הישן לפי שנאמר היוצא השדה שנה שנה כך מעשר בהמה לא יהא אלא שנה שנה ר"ל אין מעשרין משנה לחברתה." (Rambam, Peirush HaMishnayot, Bekhorot 9:1:1). This hekesh establishes the principle of annual cycles for tithing, preventing commingling of animals born in different tithe years.

Tosafot Yom Tov on Mishnah Bekhorot 9:1:1-6: Elucidating Derashot and Gezeirot

The Tosafot Yom Tov (TYT) provides a multi-faceted analysis, delving into the Gemara's discussions and the underlying derashot.

Connecting Ma'aser Behema to Bekhor and Pesach (9:1:1)

TYT begins by noting the common grouping of Bekhor, Ma'aser Behema, and Pesach in rabbinic literature, citing Zevachim 5:8. "בכל מקום רגיל להזכיר בכור ומעשר ופסח ששוין במתנותיהן [כדתנן ספ"ה דזבחים] להכי תני מעשר אגב בכור. ופסח דנפישי מיליה תנא בפסחים." (Tosafot Yom Tov, Bekhorot 9:1:1). This establishes a conceptual link between these mitzvos, which share characteristics related to kedusha and sacrificial laws, even if their specific halachot diverge. The inclusion of Ma'aser Behema in Masechet Bekhorot is thus not arbitrary.

Ma'aser Behema in Chutz La'aretz: R' Akiva's View (9:1:2)

TYT addresses the Mishnah's statement "נוהג בארץ ובח"ל" (applies in Eretz Yisrael and outside) by referencing a key machloket in the Gemara (Bekhorot 53a). He quotes Tosafot (likely to Bekhorot 53a s.v. "דלא כר"ע") who assert that the Mishnah's statement "הכא לצורך הוא" (here it is necessary). TYT explains the tzorech: "ונראה משום דבגמ' לימא מתני' דלא כר"ע דתניא ר"ע אומר יכול יעלה אדם מעשר בהמה מח"ל ויקריבנו ת"ל (דברים י״ב:ה׳-ו׳) והבאתם שמה וגו' ואת מעשרותיכם בשתי מעשרות הכתוב מדבר כו' אפי' תימא ר"ע. כאן ליקרב דלא. כאן לקדש ולאכול במומו לבעלים דיקא נמי דקא נסיב לה תלמודא. והבאתם שמה [דהיינו הקרבה] ש"מ והשתא אי דלא כר"ע אצטריך. ואי כר' עקיבא נמי אצטריך דקדיש מיהא [לאכול במומו]." (Tosafot Yom Tov, Bekhorot 9:1:2).

The Gemara asks if our Mishnah contradicts R' Akiva, who holds that one cannot bring Ma'aser Behema from chutz la'aretz to be sacrificed in the Temple, citing Devarim 12:5-6 ("והבאתם שמה... ואת מעשרותיכם"). The Gemara concludes that even R' Akiva agrees the mitzvah applies "בחוצה לארץ" in the sense that the animal attains kedusha to be eaten by the owner if it develops a blemish, even if it cannot be sacrificed. Thus, the Mishnah's statement is necessary even according to R' Akiva, to teach that the kedusha of MB applies in chutz la'aretz for consumption be'mumam. TYT notes that the Rambam (Hilchot Bekhorot 6:10) seems to rule not like R' Akiva, perhaps implying that Ma'aser Behema from chutz la'aretz does not even attain this lesser kedusha. This points to a significant machloket between Rishonim regarding the precise nature of Ma'aser Behema in chutz la'aretz.

The Derabanan Restriction "Shelo BiFnei HaBayit" (9:1:3)

TYT elaborates on the gezeira mentioned by the Rambam concerning tithing "שלא בפני הבית": "כתב הר"ב והאידנא אמור רבנן דלא לפרשו מעשר בהמה משום תקלה כו' דבשב ואל תעשה מצי למיעקר ד"ת כמ"ש ברפ"י דיבמות ועוד דאין איסור אכילה קודם עישור. אלא חכמים קבעו זמן. כדלקמן משנה ו'. ועיין לשון רש"י שהעתקתי ברפ"ג דשקלים. ובגמרא בכור נמי לקנינהו לאודנייהו לנכרי דלא ליקדש מעיקרא. ומסקי התוס' בפ"ק דף ג' דאה"נ דלדידן מצוה להשתתף עם הנכרי כו' קודם שיצא לאויר העולם. כדי לפטרו מן הבכורה וכדמסיק בטור סי' ש"ך:" (Tosafot Yom Tov, Bekhorot 9:1:3).

TYT explains that Chazal prohibited tithing MB today due to the takalah of eating it unblemished outside the Temple. He adds a crucial point: "דבשב ואל תעשה מצי למיעקר ד"ת" (by means of a shev v'al ta'aseh, they can uproot a de'oraita). This refers to the principle that Chazal can nullify a mitzvah de'oraita through a passive action (not doing it) when there's a strong gezeira. He further clarifies that the prohibition of eating MB before tithing is derabanan, making it easier for Chazal to institute such a gezeira. He connects this to the halacha of Bekhor, where one can partner with a nochri to prevent kedusha from attaching to the animal ab initio. This parallel highlights Chazal's proactive measures to avoid kedusha when its proper fulfillment is impossible, safeguarding against chillul kodashim.

Sheep and Goats as "One" (9:1:4)

TYT explains the Mishnah's conclusion that sheep and goats are tithed from one for the other despite the kal v'chomer to the contrary: "כתב הר"ב מדרבי רחמנא וצאן דמשמע כל צאן מין אחד. ששניהם נקראים שה. הרמב"ם פ"ז מה"ב. וכדכתב הר"ב בפ"ק משנה ד':" (Tosafot Yom Tov, Bekhorot 9:1:4). The pasuk "או הצאן" (Lev. 27:32) is interpreted as a ribbuy (inclusion) by the Torah to signify that all animals categorized as "צאן" (flock), namely sheep and goats, are considered one species for the purpose of Ma'aser Behema. He cites the Rambam (Hilchot Bekhorot 7:2) and his own commentary to Bekhorot 1:4, reinforcing this derasha.

Defining "Chadash" (9:1:5)

TYT provides a concise definition of "חדש" (new) in the context of MB: "[*בחדש . פי' הר"ב שנולדו אחר ר"ח אלול. שהוא ר"ה למעשר בהמה עיין במשנה ה':" (Tosafot Yom Tov, Bekhorot 9:1:5). "New" animals are those born after Rosh Chodesh Elul, which is the Rosh Hashanah (new year) for Ma'aser Behema, as detailed later in Mishnah 9:5. This links the definition of "new" to the annual tithing cycle.

Hekesh vs. Kal V'chomer (9:1:6)

Finally, TYT revisits the chadash/yashan distinction and its derivation. He again emphasizes the hekesh to Ma'aser Dagan (Devarim 14:22 "שנה שנה") as the source for separating new and old animals: "כתב הר"ב מה מעשר דגן כו' דהא כתיב שנה שנה שכן נאמר (שם י"ד) תבואת זרעך היוצא השדה שנה שנה. וכן הוא בסוגיא [דף נ"ג ע"ב] ולעיל ברפ"ק דר"ה לא דקדק הר"ב בזה. וכתבו התוס' [דף ל"ג]. דהכא אתי הקישא ומפיק מק"ו ולעיל בפ"ה מ"ב אמרינן אפכא. הכא לא מתוקם הקישא דאע"ג דלר"י בר"י בפרקין משנה ז'. מתוקם בניטל באומד כו'. עיקר הקישא דשנה שנה לא מתוקמא]:" (Tosafot Yom Tov, Bekhorot 9:1:6).

He points out a kushya from Tosafot (Bekhorot 33a) regarding the interplay of hekesh and kal v'chomer. While here the hekesh (for new/old) seems to override a potential kal v'chomer, elsewhere (Bekhorot 5:2) the opposite is stated. This highlights the nuanced nature of derashot, where the specific wording of pesukim and the context can determine which exegetical tool takes precedence. The core hekesh of "שנה שנה" for chadash/yashan remains firm, even if its interaction with kal v'chomer for other categories (like sheep/goats vs. cattle/flock) needs careful delineation.

Tosafot Rabbi Akiva Eiger on Mishnah Bekhorot 9:1:1: The Derasha of "Tzon"

Tosafot Rabbi Akiva Eiger (TRAE), in his concise glosses, pinpoints the precise derasha for the unity of sheep and goats for MB. He refers to the Mishnah's statement "במשנה משמע כל צאן אחד" (in the Mishnah it implies that all flock is one). He then articulates the logical flow: "היינו דלא לכתוב בקר וצאן ולכתוב וכל מעשר בהמה והוי ידעינן מזה על זה מק"ו דחדש וישן. אע"כ דבא לרבות דכל צאן אחד. והא דאין מעשרין מבקר על צאן ולא אמרי' בקר וצאן דבא לרבות ולערב דהכל אחד (ואי מק"ו דחדש וישן נימא דכבשים ועזים יוכיחו) דלענין זה ילפינן מהיקישא דמעשר דגן. דאין מעשרין מזה על זה. גמרא:" (Tosafot Rabbi Akiva Eiger, Bekhorot 9:1:1, Ot Lamed Zayin).

TRAE explains that if the Torah had merely stated "וכל מעשר בהמה" (and all animal tithe), one might have inferred from a kal v'chomer (as used for chadash/yashan) that all animals are tithed together. However, the Mishnah explicitly introduces the kal v'chomer to separate sheep/goats, only for the pasuk "או הצאן" (Lev. 27:32) to override it. This pasuk, by specifically mentioning "צאן" after "בקר," comes לרבות (to include) and teach that all tzon (sheep and goats) are considered a single species for tithing. This ribbuy is necessary to counteract the kal v'chomer that would otherwise suggest separation due to the kilayim prohibition between them.

However, TRAE then clarifies why this ribbuy doesn't extend to בקר וצאן (cattle and flock) to make them one for tithing. For cattle and flock, we rely on the hekesh to Ma'aser Dagan which dictates separation ("אין מעשרין מזה על זה"). This illustrates a precise hierarchy of derashot: an explicit ribbuy from a pasuk can override a kal v'chomer for a specific category (sheep/goats), but general principles derived from hekesh (like Ma'aser Dagan for chadash/yashan and cattle/flock separation) apply elsewhere. The Torah chooses its words carefully to define the boundaries of each halacha.

Friction

Kushya 1: The Enigma of Shev V'al Ta'aseh Uprooting a De'oraita

The Rambam's explanation (Peirush HaMishnayot, Bekhorot 9:1:1) and the Tosafot Yom Tov's elaboration (Bekhorot 9:1:3) on the gezeira regarding Ma'aser Behema "שלא בפני הבית" present a fundamental halachic tension. The Mishnah explicitly states that Ma'aser Behema is "נוהג... שלא בפני הבית" – it is a mitzvah de'oraita that applies even in the absence of the Temple. Yet, Chazal decreed "אינו נוהג" – it is not practiced today. The Rambam attributes this to a gezeira "שמא לא יהא שם מקדש ויאכל חוצה לארץ בלא מום" (lest there be no Temple and one eat it outside Eretz Yisrael unblemished).

The kushya is profound: How can Chazal "uproot" a mitzvah de'oraita through a shev v'al ta'aseh (a passive act of refraining)? The general principle is that Chazal cannot abolish a mitzvah de'oraita entirely. While they can enact gezeirot that restrict or modify mitzvos, a complete cessation of a mitzvah that the Torah states applies universally seems to exceed their authority. This is particularly challenging given the Mishnah's explicit declaration of its applicability "שלא בפני הבית." If the Torah intended it to apply, how can Chazal prevent its performance?

Terutz 1: The Issur Achila is Derabanan

One significant terutz, implicit in the Tosafot Yom Tov's commentary ("ועוד דאין איסור אכילה קודם עישור. אלא חכמים קבעו זמן. כדלקמן משנה ו'") and elaborated upon in the Gemara (Bekhorot 53b, and Yerushalmi Kiddushin 1:2 cited by Rishonim), revolves around the nature of the prohibition of eating Ma'aser Behema before tithing. The issur of eating tevel (untithed produce) is de'oraita. However, for Ma'aser Behema, the Gemara (Bekhorot 53b) indicates that the issur of eating the animal before tithing is derabanan. The pasuk (Vayikra 27:32) states "הָעֲשִׂירִי יִהְיֶה קֹדֶשׁ לַה'," implying that kedusha attaches to the tenth animal once it is designated. Prior to designation, the animals are chullin. The gezeira of Chazal is to prevent improper consumption after tithing, not to prevent tithing itself due to an issur of tevel.

If the prohibition of eating before tithing is derabanan, then Chazal have greater latitude to institute a gezeira that discourages tithing altogether when there is a significant takalah. The gezeira is not "do not do the mitzvah," but rather "do not separate Ma'aser Behema now, because if you do, you might err and come to eat it improperly," and the issur itself (eating Ma'aser Behema outside Jerusalem, unblemished, or by a tameh person) is severe. This distinction is crucial: Chazal cannot negate a de'oraita prohibition, but they can create a derabanan prohibition (of tithing) to safeguard against a de'oraita one (improper eating of kodshim).

Terutz 2: The Mitzvah is Unfulfillable in its Primary Form

Another terutz, stemming from the Rambam's perspective (Hilchot Bekhorot 6:10), suggests that the mitzvah of Ma'aser Behema is primarily designed for offering in the Temple ("מקריבין ממנו חלבו ודמו"). While the Mishnah states it applies "שלא בפני הבית," this might refer to the potential for kedusha to attach, or the din of being eaten be'mumam. However, if the primary mitzvah (sacrifice) cannot be fulfilled, Chazal might deem the mitzvah in its current, incomplete form to be prone to takalah.

The gezeira is not about nullifying the mitzvah itself, but rather about preventing people from performing a mitzvah incorrectly or incompletely, leading to a desecration of kedusha. Since the animals are kodshim, and any improper handling or consumption constitutes a severe transgression, Chazal exercised their authority to create a protective fence around the mitzvah. By refraining from tithing, one avoids the kedusha attaching, and thus avoids the possibility of chillul kodashim altogether. The shev v'al ta'aseh here acts as a "spiritual quarantine," ensuring that the sanctity of Ma'aser Behema is not compromised in an era where its full performance is impossible. This is further supported by the Gemara's discussion (Bekhorot 53b) about selling bekhorot to a nochri to prevent kedusha – Chazal prefer to avoid the kedusha attaching if it cannot be managed properly.

Kushya 2: The Kal V'chomer vs. Pasuk for Sheep and Goats

The Mishnah (Bekhorot 9:1:1) presents a curious logical sequence:

1. Din: Chadash and Yashan (new and old animals) are not tithed from one for the other.
2. Kal V'chomer: "וּמָה אִם חָדָשׁ וְיָשָׁן שֶׁאֵין בָּהֶם כִּלְאַיִם זֶה בָּזֶה אֵין מִתְעַשְּׂרִין מִזֶּה עַל זֶה, כְּבָשִׂים וַעֲזִים שֶׁיֵּשׁ בָּהֶם כִּלְאַיִם זֶה בָּזֶה, אֵינוֹ דִין שֶׁלֹּא יִתְעַשְּׂרוּ מִזֶּה עַל זֶה?" (If new and old, which do not involve kilayim with each other, are not tithed from one for the other, then sheep and goats, which do involve kilayim with each other, is it not logical that they should not be tithed from one for the other?)
3. Refutation by Pasuk: "תַּלְמוּד לוֹמַר: "אוֹ הַצֹּאן" (ויקרא כז, לב), לְרַבּוֹת שֶׁכָּל הַצֹּאן אֶחָד." (The verse states "or the flock" (Leviticus 27:32), to include that all flock is one species.)

The kushya arises from this structure. Why introduce a kal v'chomer if it is immediately dismissed by an explicit pasuk? The Torah is the ultimate source of halacha. If a pasuk clearly dictates a rule, what is the purpose of presenting a logical inference (like a kal v'chomer) that leads to a contrary conclusion, only to then refute it? It seems to undermine the authority of logical derashot or at least make them appear superfluous when a pasuk is readily available. Furthermore, Tosafot Yom Tov (Bekhorot 9:1:6) notes a tension with Tosafot (Bekhorot 33a) regarding hekesh vs. kal v'chomer in general.

Terutz 1: The Hava Amina and the Chiddush of the Pasuk

This stylistic choice in the Mishnah is not arbitrary but rather a pedagogical tool to highlight a chiddush (novelty) in the Torah. The kal v'chomer represents the hava amina (initial logical assumption) that one might naturally make based on other halachot and common sense. Since kilayim (mixing species) is prohibited even between sheep and goats, it's reasonable to assume they are distinct enough to warrant separate tithing, especially if chadash and yashan (which are the same species) are separated.

The pasuk "או הצאן" (Lev. 27:32) then comes to teach that for the specific mitzvah of Ma'aser Behema, the Torah chiddesh a unique din. Despite the differences for kilayim, for tithing, all animals designated as "צאן" (flock) are considered a single entity. The Mishnah presents the kal v'chomer to show that without this explicit pasuk, logic would lead to a different conclusion. Thus, the pasuk is not merely stating a rule, but overriding a perfectly reasonable logical inference. This emphasizes the supreme authority of pesukim and the Torah's ability to establish gezeirot and chiddushim that defy simple logic or analogy to other halachot. Tosafot Rabbi Akiva Eiger (Bekhorot 9:1:1, Ot Lamed Zayin) clarifies that the ribbuy of "צאן" is specific and limited, not extending to bakar (cattle), where the hekesh to Ma'aser Dagan still applies, indicating a deliberate and precise application of derashot.

Terutz 2: The Domain of the Hekesh

The Gemara (Bekhorot 53b) further clarifies the distinction. The separation of chadash and yashan is derived from a hekesh to Ma'aser Dagan ("שנה שנה" – Devarim 14:22). A hekesh is a powerful exegetical tool that equates two different halachot to apply a din from one to the other. In this case, the hekesh establishes the principle of annual cycles for tithing animals, just like for produce. This hekesh is firm and specific to the temporal distinction.

The kal v'chomer for sheep and goats, however, is based on the kilayim prohibition, which is a different category of halacha. The pasuk "או הצאן" specifically addresses the species distinction within "flock" for Ma'aser Behema. It is a direct ribbuy that defines the scope of "צאן" for this mitzvah. Therefore, the hekesh dictates the temporal separation (chadash/yashan), while the pasuk dictates the species inclusion (sheep/goats). These are not in direct conflict because they operate on different axes of categorization. The Mishnah's sequence teaches us that while our logical intuition might suggest separating sheep and goats based on kilayim, the Torah specifically chose to treat them as one for Ma'aser Behema, indicating the importance of precise textual derasha over general logical inference when the Torah speaks explicitly.

Intertext

Ma'aser Dagan: The Paradigm for Temporal Separation

The most direct and fundamental intertextual parallel for Ma'aser Behema is Ma'aser Dagan (grain tithe). The Mishnah itself (Bekhorot 9:1:1) and the Rishonim (Rambam, Peirush HaMishnayot, Bekhorot 9:1:1; Tosafot Yom Tov, Bekhorot 9:1:6) explicitly draw a hekesh (juxtaposition) between the two concerning the separation of "חדש וישן" (new and old).

The pasuk in Devarim 14:22 states: "עַשֵּׂר תְּעַשֵּׂר אֵת כָּל תְּבוּאַת זַרְעֶךָ הַיֹּצֵא הַשָּׂדֶה שָׁנָה שָׁנָה." (You shall surely tithe all the produce of your seed that comes forth from the field year by year.) The repetition "שנה שנה" is understood as a derasha to mean that produce from one year cannot be tithed on behalf of produce from another year. This principle, established for Ma'aser Dagan, is then applied to Ma'aser Behema.

Rambam (Hilchot Ma'aserot 1:5) codifies this: "אין אדם מעשר מן החדש על הישן ולא מן הישן על החדש... וכן מעשר בהמה אינו מעשר מן החדש על הישן ולא מן הישן על החדש, שנאמר 'שנה שנה' – מה מעשר דגן שנה שנה, אף מעשר בהמה שנה שנה." This demonstrates how a foundational halacha for one mitzvah can serve as a template for another through a hekesh. The underlying logic is that each annual cycle represents a distinct harvest or birth-cohort, and tithing must reflect that specific cycle. This prevents an owner from deferring tithing or using a surplus from one year to fulfill the obligation of another, ensuring that the kedusha and chiyuv are tied to the specific period of growth/birth.

Bekhor Behema: Parallels in Sanctity, Divergence in Practice

Bekhor Behema (firstborn animal) shares significant conceptual overlap with Ma'aser Behema, as both involve the sanctification of animals to Hashem. The pasuk "וְכָל מַעְשַׂר בָּקָר וָצֹאן כֹּל אֲשֶׁר יַעֲבֹר תַּחַת הַשָּׁבֶט הָעֲשִׂירִי יִהְיֶה קֹדֶשׁ לַה'" (Leviticus 27:32) is conceptually similar to the laws of Bekhor (e.g., Shemot 13:12: "וְהַעֲבַרְתָּ כָּל פֶּטֶר רֶחֶם לַה'"). Both are kodshim (sacred), offered in the Temple, and eaten by Kohanim (for Bekhor) or by the owners (for Ma'aser Behema after sacrifice). Both become pasul (unfit) if they develop a mum (blemish) and can then be eaten by the owner, even in tumah.

However, crucial differences exist, particularly in the context of the gezeira for Ma'aser Behema "שלא בפני הבית." For Bekhor Behema, there is no derabanan prohibition against its kedusha attaching today. While it cannot be sacrificed without the Temple, its kedusha still takes effect. The owner is obligated to wait for it to develop a mum before eating it, or to sell it to a nochri to avoid the kedusha altogether ab initio (Gemara Bekhorot 3a, 33a; Shulchan Aruch Yoreh De'ah 316). The Tosafot Yom Tov (Bekhorot 9:1:3) explicitly references this practice of selling to a nochri for Bekhor as a contrast to the shev v'al ta'aseh for Ma'aser Behema.

This divergence highlights a critical nuance in Chazal's approach to mitzvos in the absence of the Temple. For Bekhor, the kedusha is inherent and unavoidable upon birth (unless specific steps are taken before birth). The subsequent halachot (waiting for a mum) are therefore manageable within the existing framework. For Ma'aser Behema, however, the kedusha is created by the owner's action of tithing. Because this action is subject to takalah (potential error in consumption outside the Temple), Chazal instituted a gezeira of shev v'al ta'aseh to prevent the kedusha from attaching at all. This suggests that when the kedusha is actively brought about by human action, Chazal have greater authority to prevent that action if it leads to significant spiritual risk. When kedusha is inherent (like Bekhor), the focus shifts to managing its consequences rather than preventing its onset.

Psak/Practice

The halachic landscape of Ma'aser Behema today is largely shaped by the gezeira discussed by the Rishonim. The Mishnah's statement that the mitzvah applies "שלא בפני הבית" is min haTorah, but Chazal effectively nullified its practical application.

The operative halacha, as codified in the Shulchan Aruch (Yoreh De'ah 322:1), is that Ma'aser Behema is not separated today. "אין מעשרין בהמה בזמן הזה... ודבר שבקדשה הוא ואין לנו כהן שיאכלנו בטהרה ואין לנו מזבח להקריב קרבנותיו. וגזרו שלא להפריש כדי שלא יבואו לידי תקלה." (Shulchan Aruch, Yoreh De'ah 322:1). This directly reflects the Rambam's and Tosafot Yom Tov's explanations of the gezeira due to takalah (mishap) and the inability to properly fulfill the mitzvah's sacrificial aspect. Since there is no Temple or Kohen fit to consume it in purity, Chazal decreed against separation to prevent desecration of kedusha.

This case serves as a powerful meta-psak heuristic regarding the authority of Chazal. It demonstrates that:

1. Chazal possess the authority to institute gezeirot that affect mitzvos de'oraita.
2. Such gezeirot can be in the form of shev v'al ta'aseh (a passive prohibition) to prevent a more severe de'oraita transgression (e.g., chillul kodashim).
3. The distinction between a derabanan prohibition (eating Ma'aser Behema before tithing) and a de'oraita one is critical in determining the scope of Chazal's authority. If the issur being circumvented is derabanan, Chazal's power to enact a shev v'al ta'aseh is stronger.
4. When the proper fulfillment of a mitzvah involving kedusha is impossible due to the absence of the Beit HaMikdash, Chazal may opt to prevent the kedusha from attaching at all, rather than risk its improper handling.

Thus, while the Torah mandates Ma'aser Behema even "שלא בפני הבית," the practical halacha today is not to perform it, a testament to the enduring wisdom and protective measures of Chazal.

Takeaway

The sugya of Ma'aser Behema unveils the dynamic interplay between explicit pesukim, logical inferences like kal v'chomer, and the profound authority of Chazal to institute gezeirot that shape halacha in response to changing circumstances, particularly the absence of the Beit HaMikdash. It powerfully illustrates how Chazal prioritize the safeguarding of kedusha even if it means suspending the practical performance of a mitzvah de'oraita through a shev v'al ta'aseh.