Below you will find a copy of what the Kollel wrote about the matter in Kerisus 15a (where the Gemara cites the same Beraisa).

Be well,

Kollel Iyun Hadaf

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Kerisus 15a

"IN THE BUTCHERY OF IMA'UM"

QUESTION: The Mishnah quotes Rebbi Akiva who says, "I asked Raban Gamliel and Rebbi Yehoshua in the butchery of Ima'um, when they went to buy an animal for the wedding party of the son of Raban Gamliel, regarding a case of one who has relations with his sister, his father's sister, and his mother's sister -- is he Chayav for each, or is he Chayav only once for all of them?"

Why does the Mishnah mention that Rebbi Akiva asked his teachers this question "in the butchery of Ima'um, when they went to buy an animal for the wedding party of the son of Raban Gamliel"? What relevance does this detail have to the law of the Mishnah? (TOSFOS YESHANIM)

ANSWERS:

(a) The TOSFOS YESHANIM answers that the Mishnah is teaching that wherever a Talmid Chacham is, and whatever he is doing, he never removes his mind from the Torah.

(b) The MAHARSHAM (in Hagahos ha'Shas) answers this question based on the words of the Midrash. The Midrash (Koheles Rabah 7:7) relates that Rebbi Elazar Ben Arach forgot all of his learning because he had partook of the physical pleasures of "Ein Ma'um" (see Shabbos 147b). Therefore, the Mishnah teaches that even though Rebbi Akiva and his teachers needed to travel to Ima'um (present-day Emmaus, the same place which the Midrash refers to as Ein Ma'um) to purchase an animal for a wedding celebration, they nevertheless were careful to speak in Torah throughout their journey, in order to avoid succumbing to the material atmosphere of the place.

The questions discussed in the meat-market in Makos 14, Kerisus 15 and Chulin 91 have nothing to do with meat.

MK