Of course they don't. Why should they have, and why should he have? Muḥammad was not trying to implement Judaism. The religion he founded has strands of Jewish material in it, but it's not Judaism itself!

Halāl merely requires that the animal is slaughtered with a sharp knife. This is less stringent than the demands of כשרות, hence kosher meat is halāl, but halāl meat not kosher.