Jump to Main Content
- Landman, W. J. M.; Germeraad, E. A.; Kense, M. J.
- Avian pathology 2019 v.48 no.2 pp. 98-110
- Influenza A virus; Mycoplasma gallisepticum; Newcastle disease; avian influenza; bacterial infections; case studies; decolorization; drugs; egg drop syndrome; egg production; egg shell; eggs; farms; flocks; hens; infectious bronchitis; intravenous injection; mortality; necropsy; nicarbazin; pathogenicity; viruses; Netherlands
- ... An outbreak of low pathogenic avian influenza (LPAI) subtype H6N1 (intravenous pathogenicity index = 0.11) infection occurred in four productive brown layer flocks on three farms in the Netherlands within a period of two months. The farms were located at a maximum distance of 4.6 km from each other. The infections were associated with egg production drops up to 74%, pale eggshells and persisting h ...
- de Wit, J. J. (Sjaak); Malo, Aris; Cook, Jane K. A.
- Avian pathology 2019 v.48 no.2 pp. 135-147
- abdomen; antibody formation; antigens; egg production; hens; inactivated vaccines; kidneys; live vaccines; neutralization; neutralizing antibodies; pathogens; peritonitis; pullets; vaccination; virulence; viruses
- ... In an initial study in specified pathogen free (SPF) chickens, a heterologous virus neutralizing (VN) antibody response to IBV variants Q1, Variant 2 (Var 2), D388/QX (D388), D274 and Arkansas (DPI) was observed using a vaccination programme incorporating two different live-attenuated IBV vaccines, followed by boosting with an inactivated vaccine containing IBV Massachusetts (Mass) antigen. Theref ...