Chullin 20

Sugya Map

• Core Issue: The structural definition of melika (pinching) vs. shechita (slaughter). Specifically, whether the "mitzvah" of melika requires moving the simanim (windpipe/esophagus) behind the nape of the neck.
• Primary Sources: Chullin 20a; Mishnah Chullin 15b; Zevachim 68a.
• Nafka Minot:
  • Does shechita performed from the nape (with simanim moved) remain valid?
  • Does melika require a specific motion (drawing back and forth vs. singular press)?
  • What constitutes a "place" of slaughter/pinching that disqualifies the act if initiated incorrectly (the shipu of the head)?
• Key Machloket: Whether the "mitzvah" of melika is a le-chatchila (an ideal procedure) or a me’akev (an essential condition for validity).

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Text Snapshot

Text (20a): "ואי סלקא דעתך דמצוה במחזיר סימנים לאחורי העורף ומולק, מאי איריא דקתני מולק מהעורף כשר? אפילו שחט נמי כשר!"

• Nuance: The Gemara employs a classic reductio ad absurdum (מאי איריא). If moving the simanim were the essential mitzvah of melika, the Mishnah’s distinction between melika and shechita would collapse. The term mitzvah here functions as a probe: does the halacha define the essence (the ma’aseh) or merely the ideal performance (the hiddur)? The dikduk of mahzir (active participle) suggests an intentional manipulation of anatomy, shifting the locus of the act from the throat to the nape.

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Readings

1. Rashi (ad loc., s.v. Mahzir)

Rashi interprets the Gemara’s inquiry as a search for the boundary of validity. He posits that if moving the simanim were the defining act of melika, then any slaughtering action performed at the nape would inherently satisfy the requirements for melika. Rashi’s chiddush is his insistence on the symmetry of the Mishnah: when the Mishnah states "valid for melika but invalid for shechita," it is not looking for a "third way" (like teeth or fingernails) but rather defining the anatomical site itself as the halachic switch.

2. Ritva (ad loc., s.v. Ki-d'Rav Ashi)

The Ritva addresses the difficulty of the "incline of the head" (shipu rosho). He explains that while the halacha generally allows for girema (slaughter initiated in the wrong place but completed in the right one) in shechita, melika is far more restrictive. His chiddush is that shipu rosho acts as a pesul (disqualification) because it is spatially distinct from the oref (nape) mandated by the Torah. He connects this to the broader debate regarding girema—arguing that even if girema is valid in shechita, it is categorically rejected in melika because the latter is not a manual cut, but a sacrificial act of "breaking" (shevirah).

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Friction

The Kushya

The most potent kushya arises from the tension between the requirement of simanim and the melika process: If melika involves breaking the neck bone (shvirat ha-mifreket), as noted by Ze’eiri, how can one still be concerned with the simanim? Rava famously asks: "Does he stand and pinch a dead bird?" If the neck is broken, the bird is effectively a neveilah (carrion).

The Terutz

Abaye provides the classic resolution: the melika process is a multi-stage act. The breaking of the neck and the cutting of the simanim must occur in a precise, near-simultaneous sequence to maintain the bird’s status as a korban. The "dead bird" objection is deflected by the fact that the mitzvah of havdalah (separation of head and body) requires the simanim to be intact during the initial phase of the melika. Thus, the "deadness" is not a state, but a process—the bird is not neveilah until the melika is complete or aborted.

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Intertext

• Zevachim 68a: The Gemara there discusses the pesul of melika with a knife. This serves as the essential parallel to our text, establishing that melika is not merely a method of killing, but a ma’aseh ha-korban (sacrificial act). If the ma’aseh is flawed (e.g., using a knife), the bird is not merely invalid; it transmits impurity, reinforcing the status of the bird as neveilah.
• Shulchan Aruch, Yoreh De’ah 19: While melika is a temple-bound ritual, the simanim rules (the rubo—majority) derived from these debates form the bedrock of the hilchot shechita we practice today. The insistence on the simanim as the locus of shechita is the direct descendant of the debates on Chullin 20a regarding the definition of the "place" of slaughter.

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Psak/Practice

The psak here is meta-halachic: The mitzvah of melika is defined by the locus (the nape) and the instrument (the thumb). For modern shechita, the heuristic is the "inviolability of the simanim." Just as the Gemara rejects the "incline of the head" in melika, the shochet must be precise in the makom ha-shechita (the throat area). Any deviation that initiates the cut outside the prescribed zone renders the shechita a girema that fails to reach the required rubo within the valid zone, rendering the meat neveilah.

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Takeaway

Melika is a ritual of anatomical precision; where shechita is about the act of cutting, melika is about the site of the break. The Gemara proves that in the economy of the Beit HaMikdash, the "how" is inseparable from the "where."