Jerusalem Biblical Zoo Reproduction Management Institute for Zoo Biology and Wildlife Research of Berlin, zoo veterinarians impregnated one of their female elephants, Tamar, with sperm obtained from Emmett, a bull elephant in the Whipsnade Animal Park, Bedfordshire, England. On 10 December 2005, Gabi's six-hour birth was viewed by over 350,000 people in 108 countries via live streaming on the zoo's website. The zoo has also pioneered the use of animal birth control. It was the first to use a dart gun to implant a slow-release hormone into the thigh of a female giraffe; she is the daughter of the zoo's bull giraffe, and
World War Zoo gardens set up Pig Clubs, feeding and fattening livestock on food scraps including the London police pig club, run in the empty cages of ZSL Regent's Park London Zoo, the usual occupants having been evacuated to Whipsnade. Zoo staff at London Zoo planted a 10 pole plot allotment with tomato seeds sent from America and also hosted a National Wartime Utility farm and garden exhibition was set up at ZSL London Zoo, entitled the "Off The Ration" Exhibition to encourage visitors to grow their own crops and livestock. The Imperial War Museum exhibition in London in 2010 called Ministry of Food