5EcRert J, Braun R, Shirley M W, et al. Coccidiosis Research Biotechnology[ M]. ECSC-EC-EAEC, Brussels Luxembourg, 1995. 212.
6Lihua Xiao, Ronald Fayer, Luna Ryan, et al. Cryptosporidium taxonomy: recent advances and implications for public health [ J ]. Clinical Microbiology Reviews, 2004, 17 : 72-97.
7Trampel D W, Pepper T M, Blagbum B L. Urinary tract cryptosporidios is in commercial laying hens [ J ]. Avian Dis, 2000, 44 : 479-484.
8Morgan U M, Monis P, Xiao L H, et al. Molecular and phylogenetic characterization of Cryptosporidium from birds [ J ]. J Parasitol, 2001, 31: 289-296.
9Sreter T, varga I. Cryptosporidiosis in birds-a review [ J ]. Veterinay Parasitology, 2000, 87: 261-279.
10Tumova E, Skrivan M, Marounek M, et al. Performance and oocyst shedding in broiler chickens orally infected with cryptosporidium baileyi and cryptosporidium meleagridis [ J ]. Avian Disease, 2002, 46 : 203-207.