Activists from campaign group Stop The Cull now expect the pilot schemes to begin on Tuesday, according to their website.
Members of the group have reportedly gathered in Gloucestershire, where one of two badger cull pilot schemes is due to begin.
The group has formed a "wounded badger patrol" to help animals that have been shot at but not killed.
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British soldiers will join troops from some 30 countries who work in the country.
The demand comes after the Prime Minister urged a "grown up" relationship between her government and the devolved administrations.
The rapper failed to make it to London in time as he had problems with his passport.