6Halajian A, Eslami A, Salehi N, et al. Incidence and geneticcharacterization of Gongylonema puLchrum in cattle slaugh-tered in Mazandaran province, northern Iran[J]. Iran J Para-sitol’ 2010, 5(2) : 10-18.
7Kudo N,Kuratomi K, Hatada N,et al. Futher observationson the development of Gongylonema pulchrum in rabbits[J]. JParasitol,2005,91(4): 750-755.
8Pence D B,Warren R J, Ford C R. Visceral helminth commu-nities of an insular population of feral swine[J]. J Wildl Dis,1988, 24(1): 105-112.
9Cook T W, Ridgeway B T, Andrews R,et al. Gastro-intesti-nal helmintKes in white-tailed deer {Odocoileus virginianus、ofIllinois[J]. J Wildl Dis, 1979,15(3): 405-408.
10Crum J M, Nettles V F,Davidson W R. Studies on endopara-sites of the black bear (Ursusamericanus) in the southeasternUnited States[J]. J Wildl Dis, 1978,14(2): 178-186.