Cambodian duck sellers display their birds in a market in the southeastern town of Kompong Trach March 8, 2005. The World Health Organisation (WHO), which is leading a push for $829,000 in international funding for bird flu surveillance, says Cambodia will not be able to prepare adequate defences against bird flu without outside help. Picture taken March 8, 2005. TO ACCOMPANY FEATURE BIRD FLU-CAMBODIA REUTERS/Chor Sokunthea CS/SA/POL