| avian paramyxovirus type 1 infection of racing pigeons: 5. continued spread in 1984. | the neurotropic disease of pigeons caused by a variant avian paramyxovirus type 1 virus was confirmed in 866 lofts in great britain during 1984, in comparison with 192 lofts during july to december 1983. the 1984 outbreaks were spread over 48 counties in england and wales and three regions in scotland. the main methods of spread of disease in the 1984 outbreaks appeared to be similar to 1983 with 574 of 866 probably resulting from contact with infected birds at, or travelling to, races or shows. ... | 1986 | 3705396 |
| evidence for the presence of avian paramyxovirus type 1 in feral pigeons in england and wales. | during the period july 1983 to june 1985, 76 submissions of material from feral pigeons were received. five separate submissions resulted in the isolation of an avian paramyxovirus type 1 (a/pmv-1) variant indistinguishable from the virus responsible for the 1058 disease outbreaks confirmed in racing pigeons up to the end of 1984. in addition 11 separate submissions of pigeon sera had haemagglutination inhibition titres of log(2)4 or greater to a/pmv-1 antigen. feral pigeons from six sites widel ... | 1986 | 3716123 |
| avian paramyxovirus type 1 infection of racing pigeons: 3 epizootiological considerations. | during july to december 1983 birds in 192 racing pigeon lofts were confirmed as infected with paramyxovirus type 1 virus on the basis of disease signs alone when contact with infected cases was known (10) or with supporting serology (130), virus isolation (eight) or both (44). these outbreaks were mainly concentrated in south wales (89) and dorset (40). in all, 29 counties of great britain were involved. in the majority of outbreaks (69 per cent) activities associated with racing were strongly i ... | 1984 | 6485232 |