Daf Yomi for Women - Hadran

Study Guide
The obligation of reshit ha-gez (first shearing) applies exclusively to sheep. Although the Gemara initially suggests a gezeira shava comparing "gez" in Deuteronomy 18:5 to Job 31:20 ("v'm'gez kvasai yitchamam"), it ultimately derives the requirement from the phrase "l'amod l'sharet" ("to stand and serve"), establishing that the material must be fit for priestly service (davar ha-ra'ui l'sherut). This excludes goat hair - which is used for sackcloth rather than garments - as well as coarse wool (kvasim she-tzamran kashe).
Washing sheep, which cases some wool to be removed, is subject to a Tannaitic debate: Rabbi Yosi exempts washing from the commandment to give the first shearing because it is not the typical method of shearing, whereas the rabbis obligate it as it does remove the wool.
The Tannaim dispute the minimum flock size required: Beit Shammai require two sheep based on the plural "tzon", Beit Hillel require five ("chamesh tzon asuyot"), and Rabbi Yishmael b'Rabbi Yosi requires four based on the laws of theft of "tzon" where the penalty is four "tzon". Rebbi shows preference to the ruling of Rabbi Yishmael b'Rabbi Yosi for a number of reasons, and Rabbi Yochanan explains that there is an established tradition from Haggai, Zechariah, and Malachi to hold like him.
Addressing fleece quantities, the rabbis disagree with Rabbi Dosa ben Harkinas, ruling that any amount of shearing from five sheep triggers liability, which the Amoraim quantify through various minimum amounts, and only one of the three positions takes their words literally that there is no minimum. Rav requires 37.5 sela'im, Shmuel requires sixty, while requiring 1:60 for the kohen, Rabbi Yochanan requires six sela'im with five going to the kohen. The Gemara tries to reconcile these views with the Mishna's rule requiring five sela'im given to the kohen.
Rav and Shmuel compare this rabbinic 1:60 baseline to the standards for teruma and peah.

Study Guide

Rav Chisda's requirement for complete mastery of all twenty-four priestly gifts is rejected based on Rabbi Simeon's standard: any kohen who acknowledges the validity of the Temple service (modeh b'avoda) is eligible to receive gifts. Deriving from "v'natan" ("and he shall give"), kohanim are forbidden from grabbing gifts, prompting Abaye to outline his personal practice that developed from seizing gifts to eventually refusing them altogether, except on the Eve of Yom Kippur to demonstrate his priestly lineage.
Rav Yosef rules that a kohen can assign gifts to an impoverished scholar even before taking physical possession. However, when Rava insisted a host's servant assign gifts to himself and Rav Safra, Rava ate while Rav Safra refrained; Rav Safra subsequently experienced a troubling dream regarding improper conduct, prompting the Gemara into a broader ethical discussion condemning the instruction of an unworthy student who will misconstrue the teacher's words.
Addressing mixed partnerships with a non-Jew or kohen, the Gemara clarifies contradictory sources regarding when marking the animal is required to prevent public suspicion (mar'it ayin). Resolving a dispute between Rav Huna and Chiya bar Rav, the Gemara rejects Chiya bar Rav - explaining his misinterpretation of the braita listing the twenty-four priestly gifts - and concludes that a kohen's partial ownership in a specific section of an animal exempts only that corresponding gift, such that partial ownership of the head exempts the jaw, while the foreleg and abomasum remain obligated.
Where an Israelite owns the head and a kohen owns the rest of the body, the Gemara establishes that halakhic liability follows the locus of obligation, requiring the Israelite to give the jaw.