A new mishnah! Does the mitzvah of covering the blood apply to an animal that is discovered to be unfit for consumption? Whether because the animal is a treyfa or because the slaughtering was done in the name of idolatry, for example. With sources, and machloket (of course) in the Gemara on the mishnah, with a focus on the rabbis and Rabbi Shimon, and then, eventually, the view of Rabbi Meir as well. Plus, Rabbi Meir's opinion and Rabbi Yehudah HaNasi's opinion line up for some of the cases, in any case.