I don't think this should be in the game, instead Summon a mob at the position of the sheep and then teleport the sheep 255 blocks down one tick after so you don't get the mob drops like when you use /kill.
I don't think this should be in the game, instead Summon a mob at the position of the sheep and then teleport the sheep 255 blocks down one tick after so you don't get the mob drops like when you use /kill.