1,019. A Gift of Food

Shvisas Yom Tov 2:10

Let’s say that a non-Jew brings a gift of food to a Jew on yom tov. If it is a type of produce that is still unharvested or an animal, bird or fish that might have been caught on yom tov, they are prohibited until the night (i.e., when the day ends). One must wait long enough after yom tov for the prohibited labor involved to be done. Even if the non-Jew brings something like myrtle branches, one may not smell them until the night after waiting the length of time it would have taken to pick them. If none of the produce is of a type that is still unharvested, or if it is otherwise somehow obvious that it was picked before yom tov, or if it is obvious that the game was caught before yom tov, they are permitted as long as were brought from within the city's Shabbos boundary. If they were brought from outside the boundary, they are prohibited. If food was brought from outside the Shabbos boundary for one Jew, it may be eaten by a different Jew.

Shvisas Yom Tov 2:11

If branches fall off of a palm tree on yom tov, they may not be used as firewood because of nolad (things that come into existence on yom tov). However, if such branches fell into an oven, one may add more wood that was prepared for this purpose and use them together. One may not start taking fuel for kindling from a pile of straw or a wood on yom tov because they are muktzeh unless they were prepared for this purpose on the previous day. If the straw is mixed with thorns, it may be used for kindling because this is its only possible use.