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Maruyama S Boonmar S Morita Y Sakai T Tanaka S Yamaguchi F Kabeya H Katsube Y 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2000,62(6):635-637
The seroprevalence of Bartonella henselae and Toxoplasma gondii among apparently healthy individuals, mainly blood donors, in Thailand was investigated by an indirect fluorescent antibody technique and by a latex agglutination test, respectively. Of 163 serum samples examined, 9 (5.5%) were found to be positive for B. henselae-IgG, 2 (1.2%) for B. henselae-IgM, and 5 (3.1%) for the T. gondii antibody. No significant difference was observed between male and female samples in the serological test with either B. henselae or T. gondii. The age of individuals with B. henselae-IgG was distributed from the 20s to the 70s, and B. henselae-IgM was found in the individuals of the 30s and 60s. The age of T. gondii positive samples ranged from the 20s to the 60s. In this study, the prevalence of B. henselae infection among healthy individuals in Thailand was serologically demonstrated for the first time. 相似文献
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P. Firth Hansa Thitipoca Sumalee Suthipradit R. Wetselaar D.F. Beech 《Soil biology & biochemistry》1973,5(1):41-46
At Chainat, in the central plain of Thailand, where problems of double cropping are being investigated, a growth rate and nitrogen uptake rate for maize of 370 and 3.15 kg/ha/ day respectively were obtained. In one season there was a high positive correlation between maximum nitrogen yield and maize grain yield.When 15N-labelled (NH4)2SO4 nitrogen was applied to maize at 100 kg/ha of N, 49 per cent could be recovered in tops after 12 weeks. After 8 weeks, 23 per cent was in the soil organic N plus roots, and after 12 weeks had decreased to 10 per cent. In the same period, the unaccountedfor fertilizer N had increased from 27 per cent at 8 weeks to 41 per cent at 12 weeks.In a long term rotation experiment involving 18 dry and wet season cropping combinations, a provisional balance sheet after two years indicates (1) that the soil nitrogen status can be maintained with the introduction of high input, dry season upland crops into a cropping system where wet season rice is grown only, (2) that in the absence of nitrogen fertilizer about 40 kg/ha of N is added per season to the soil-plant system under rice, and (3) that mung bean (Phaseolus aureus) fixes between 58 and 107 kg/ha of N per season. 相似文献
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Bemis DA Grupka LM Liamthong S Folland DW Sykes JM Ramsay EC 《Veterinary microbiology》2007,120(3-4):300-307
This study examines the serotype distribution and clonal relatedness among Salmonella isolates obtained from healthy and diseased snakes. Isolates from extraintestinal body sites were obtained through routine diagnostic lab submissions from snakes in two facilities that had experienced a high prevalence of osteomyelitis in Crotalus species. Gastrointestinal isolates were predominantly from fecal samples collected from healthy snakes of both crotalid and non-crotalid species in one facility. PFGE macrorestriction analysis of Salmonella isolates confirmed the clonal and species-restricted nature of Salmonella serotype IIIa 56: z4, z23: - in one facility. Fourteen of 15 isolates from suspected osteomyelitis lesions in wild-caught snakes at the second facility were also from Salmonella subgroup IIIa (serotype IIIa 18: z4, z23: -) and appeared to be closely related by PFGE. Evaluation of a PCR assay for the spvC gene in 209 isolates demonstrated that this method consistently distinguished isolates of subgroup IIIa from those of subgroup IIIb. The data presented establish that Salmonella of subgroup IIIb are abundant and regularly associated with gastrointestinal shedding in snakes but that Salmonella in subgroup IIIa disproportionately cause infections in bone or other extraintestinal sites. 相似文献
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Decha Pangjai Soichi Maruyama Sumalee Boonmar Hidenori Kabeya Shingo Sato Burin Nimsuphan Wimol Petkanchanapong Wattanapong Wootta Piyada Wangroongsarb Maskiet Boonyareth Poom Preedakoon Watcharee Saisongkorh Pathom Sawanpanyalert 《Comparative immunology, microbiology and infectious diseases》2014
We investigated the prevalence of Bartonella species in 10 rodent and one shrew species in Thailand. From February 2008 to May 2010, a total of 375 small animals were captured in 9 provinces in Thailand. Bartonella strains were isolated from 57 rodents (54 from Rattus species and 3 from Bandicota indica) and one shrew (Suncus murinus) in 7 of the 9 provinces, and identified to the species level. Sequence analysis of the citrate synthase and RNA polymerase β subunit genes identified the 58 isolates from each Bartonella-positive animal as B. tribocorum in 27 (46.6%) animals, B. rattimassiliensis in 17 (29.3%) animals, B. elizabethae in 10 (17.2%) animals and B. queenslandensis in 4 (6.9%) animals. R. norvegicus, R. rattus, and Suncus murinus carried B. elizabethae, which causes endocarditis in humans. The prevalence of Bartonella bacteremic animals by province was 42.9% of the animals collected in Phang Nga, 26.8% in Chiang Rai, 20.4% in Sa Kaeo, 16.7% in Nakhon Si Thammarat, 12.0% in Surat Thani, 9.1% in Mae Hong Son and Loei Provinces. 相似文献
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Boonmar S Chanda C Markvichitr K Chaunchom S Yingsakmongkon S Yamamot S Morita Y 《The Journal of veterinary medical science / the Japanese Society of Veterinary Science》2007,69(8):853-855
This is the first report regarding isolation of Campylobacter in caecum and bile samples obtained from ruminants in Vientiane, Lao PDR. Campylobacter was isolated from 3 (1.6%) of the 184 caecum samples and 1 (1.0%) of the 100 bile samples obtained from buffaloes. Three of the 4 isolates were determined to be C. jejuni, which was detected in 2 caecum samples and 1 bile sample; the other caecum sample contained C. fetus. Campylobacter was not isolated from any of the 82 cattle caecum samples. Our results suggest that cattle and buffaloes may not be important sources of Campylobacter food poisoning in Lao PDR. 相似文献
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