The call was received at about 8.45am and a crew from St Neots, a crew from Huntingdon and two crews from Cambridge attended a field off New Street. A spokesman for Cambridgeshire Fire and Rescue Service said: Firefighters arrived to find a cow stuck in mud. Wearing specialist in-water kit they released the cow and reunited it with its herd. The crews returned to their stations by 11am. The cow was unhurt.