Scientists from Porton Down and the Royal Navy were involved in releasing biological agents, including pneumonic and bubonic plague, brucellosis and tularaemia and testing the effects of the agents on caged monkeys and guinea pigs.
12.
DNA testing showed that the animals were the once-native Eurasian beaver, and none of the beavers was found to be infected with " Echinococcus multilocularis ", tularaemia, or bovine TB . On 24 June 2015, video footage from local filmmaker Tom Buckley was featured on the BBC news website showing one of the wild Devon females with two live young.
