Mishneh Torah — Negative Mitzvot מצוות לא תעשה, Chapter 188
The full Hebrew text of Mishneh Torah, Negative Mitzvot, Chapter 188, with English translation by Maimonides (Rambam).
שלא לאכול בשר שור הנסקל, שנאמר "ולא ייאכל את בשרו" (שמות כא,כח).
Not to partake of the meat of an ox that was stoned to death, as [Exodus 21:28] states: "And do not eat its flesh."