| [epidemiologic investigation on the occurrence of brucellosis in a rabbitry family]. | this article reports epidemiologic investigations on the occurrence of brucellosis in a rabbitry family in laoting county, hebei province. three persons of this family were all examined. the results of examinations by serology, bacteriology, clinical observations, and epidemiological history showed that: two of the three cases were suffering from brucellosis. domestic animals in this house and the domestic animals and feeders in the neighborhood were investigated by serology and bacteriology. th ... | 1995 | 7648638 |
| [prevalence of anti-hev among swine, sheep and chickens]. | to investigate the prevalence of anti-hev among swine, sheep and chickens. | 2004 | 15340498 |
| persistent organic pollutants in human milk in women from urban and rural areas in northern china. | human milk specimens from 55 women in shijiazhuang urban and tangshan rural areas in hebei province in northern china were collected and analyzed for persistent organic pollutants, such as p,p'-dichlorodiphenyldichloroethylene (p,p'-dde), hexachlorobenzene (hcb), beta-hexachlorocyclohexane (beta-hch), and dioxins. we administered a questionnaire to milk donors at collection time, asking about lifestyle factors that potentially influence organochlorine pesticide (ocp) levels in human milk. we fou ... | 2005 | 16039646 |
| at least two genetically distinct large babesia species infective to sheep and goats in china. | a fatal disease of sheep and goats in the northern part of china has been reported to be due to babesia ovis. however, some characteristics of the causative agent in recent reports are not in accordance with the original attributes ascribed to this parasite. therefore, the 18s small subunit ribosomal rna (18s rrna) genes of a number of babesia isolates in china were sequenced and compared with that of other babesia and theileria species in an attempt to clarify their taxonomic position. in the p ... | 2007 | 17531391 |
| detection of spotted fever group rickettsia in haemaphysalis longicornis in hebei province, china. | abstract dna samples from 737 ticks pools, representing 6850 haemaphysalis longicornis and 51 dermacentor nuttalli ticks collected from hebei province, china, were analyzed by pcr for the presence of spotted fever group rickettsia. there were 50 (6.9%) of 724 h. longicornis ticks pools found positive, but no positive samples found in 13 d. nuttalli. sequence analysis of the partial outer membrane protein a (ompa) genes from the ten positive samples showed 98% identity, but different from the hom ... | 2011 | 21506802 |