survey of nine abortifacient infectious agents in aborted bovine fetuses from dairy farms in beijing, china, by pcr. | abortion in dairy cattle causes considerable economic losses to the dairy industry. aborted fetuses and samples from the corresponding aborting dams from 12 dairy herds in beijing were tested for 9 abortifacient infectious pathogens by pcr between 2008 and 2010. from a total of 80 abortion cases collected during this period, infectious agents were detected in 45 (56.3%) cases, 22 (48.9%) of which represented co-infections with two or three infectious agents. the detected pathogens included infec ... | 2012 | 22366134 |
epidemiology of chlamydia psittaci infection in racing pigeons and pigeon fanciers in beijing, china. | over 3 million racing pigeons (columba livia) are registered in beijing city center for gambling purposes. during 2008-2010, we evaluated the occurrence and prevalence of chlamydia psittaci in racing pigeons as well as the possible zoonotic transmission to pigeon fanciers in six districts of beijing where pigeon races are particularly popular. c. psittaci-specific serum antibody titres were obtained from 370 pigeons and 79 fanciers using enzyme-linked immunosorbent assay. in addition, 206 and 67 ... | 2015 | 25244602 |
seroprevalence and genotype of chlamydia in pet parrots in china. | parrots are one of the most popular pet birds in china, and can harbour chlamydia which has significance for human and animal health. we investigated, by indirect haemagglutination assay, the seroprevalence of chlamydia infection in four species of parrots, namely budgerigars (melopsittacus undulatus), lovebirds (agapornis sp.), cockatiels (nymphicus hollandicus) and alexandrine parakeets (psittacula eupatria) that were collected from weifang and beijing cities, north china and explored the asso ... | 2015 | 24588856 |