4Landman W J,Cornelissen R A.Escherichia coli salpingitis and peritonitis in layer chickens:an overview[J].Tijdschr Diergeneeskd,2006,131(22):814-822.
5Jordan F T,Williams N J,Wattret A,et al.Observations on salpingitis,peritonitis and salpingoperitonitis in a layer breeder flock[J].Vet Rec,2005,157(19):573-577.
6Timothy S,Shafi K,Leatherbarrow A H,et al.Molecular epidemiolngy of a reproductive tract-associated colibacillosis outbreak in a layer breeder flock associated with atypical avian pathogenic Escherichia coli[J].Avian Pathol,2008,37(4):375-378.
7Vandemaele F,Bleyen N,Abuaboud O,et al.Immunization with the biologically active lectin domain of PapGII induces strong adhesion-inhibiting antibody responses but not protection against avian pathogenic Escherichia coli[J].Avian Pathol,2006,35(3):238-249.
8Yaguchi K,Ohgitani T,Noro T,et al.Vaccination of chickens with liposomal inactivated avian pathogenic Escherichia coli(APEC)vaccine by eye drop or coarse spray administration[J].Avian Dis,2009,53(2):245-249.
