Before us is Mishnah 7 of Chapter 5, the final Mishnah of the chapter. Two subjects are discussed in it: sending portions of food home with guests who made an eruv techumin, and the law of giving water to and slaughtering wilderness animals and domestic animals.
"Mi shezimen etzlo orchim - lo yolich beyadam manos" - one who invited guests to his home may not send portions of food home with them.
This speaks of someone who invited guests who live outside the techum, and they made an eruv techumin so that they would be able to come and visit him. The host may not send portions of food home with them when they return - leftovers of the meal and the like. The reason: this food was not within their techum when Yom Tov began, but rather within the host's techum, and therefore it is not included in their eruv techumin and they may not carry it with them.
"Ela im ken zikah lahem me'erev Yom Tov" - unless he transferred ownership of them to the guests before Yom Tov.
If the host transferred ownership of the portions to the guests while it was still the eve of Yom Tov - for example, by having another person acquire them on their behalf through an act of acquisition - then the portions became theirs before Yom Tov began. Consequently, when the festival began the food was subsumed under their eruv techumin, and since they made an eruv, they may carry it with them when they return.
"Ein mashkin veshochtin es hamidbariyos" - we do not give water to or slaughter wilderness animals.
The wilderness animals are those that live in the wilderness, outside the city. It was customary to give an animal water before slaughtering it for two reasons:
To make it easier to remove the hide.
And according to others, to help in detaching the adhesions on the lung.
Neither of these is done with wilderness animals, because they are considered muktzeh - a person does not have them in mind and they are not designated for his use.
"Aval mashkin veshochtin es habaisos" - but we do give water to and slaughter domestic animals.
Domestic animals may be given water and slaughtered, and the Mishnah defines which ones they are:
"Elu hen baisos" - these are the domestic ones: those that spend the night in the city. Since they remain within the city and are found in the area, they are prepared and available and are not muktzeh.
"Midbariyos" - the wilderness ones: those that spend the night in the pasture, that is, the animals that stay in the fields. Since a person does not have them in mind when Yom Tov begins, they are considered muktzeh.
In summary: in this Mishnah we learned that a host does not send portions of food home with his guests who made an eruv techumin, unless he transferred ownership of the portions to them before Yom Tov, in which case they are included in their eruv. We also learned the distinction between wilderness animals, which spend the night in the pasture and are considered muktzeh, and domestic animals, which spend the night in the city and are prepared for use, and which may be given water and slaughtered.
With this the tractate concludes - Maseches Beitzah, which some call 'Bei'ah'. We hope you will join us for the next tractate, Maseches Rosh Hashanah.