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81.
VR Barrs JA Beatty BJ Wilson N Evans R Gowan RM Baral AE Lingard G Perkovic JR Hawley MR Lappin 《Australian veterinary journal》2010,88(5):160-165
Objectives To define the prevalence of Bartonella spp., Rickettsia felis, Mycoplasma haemofelis, ‘Candidatus Mycoplasma haemominutum’ (Mhm) and ‘Candidatus Mycoplasma turicensis’ (Mtc) in cats and their fleas in eastern Australia. Design and procedure Conventional PCR assays that detect Bartonella spp., M. haemofelis, Mhm, Mtc, Rickettsia spp., Ehrlichia spp., Anaplasma spp. and Neorickettsia spp. were performed on DNA extracted from blood and fleas collected from 111 cats. Cat sera were assayed by ELISA for IgG of Bartonella spp. Results DNA of M. haemofelis, Mtc and Mhm was amplified from 1 (0.9%), 1 (0.9%) and 17 cats (15.3%), respectively. Only DNA of Mhm was amplified from the 62 of 111 pooled flea samples (flea sets; 55.9%). Overall, the prevalence rates for Bartonella spp. DNA in the cats and the flea sets was 16.2% (18 cats) and 28.8% (32 flea sets), respectively. Bartonella spp. IgG was detected in 42 cats (37.8%), of which 11 (26.2%) were positive for Bartonella spp. DNA in their blood. R. felis DNA was amplified from 22 flea sets (19.8%), but not from cats. Overall, DNA of one or more of the organisms was amplified from 27% (30) of cats and 67.6% (75) of the flea sets. Conclusions This is the first Australian study to determine the prevalence of R. felis and B. clarridgeiae in both fleas and the cats from which they were collected. Flea-associated infectious agents are common in cats and fleas in eastern Australia and support the recommendation that stringent flea control be maintained on cats. 相似文献
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AE Jackson 《Australian veterinary journal》2017,95(10):353-354
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AE Jackson 《Australian veterinary journal》2017,95(5):135-136
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AE Jackson 《Australian veterinary journal》2012,90(5):155-156
Breech‐strike in Merinos in south‐eastern Australia · Risk factors for clinical mastitis in dairy cows · Tick (Ixodes holocyclus) envenomation in horses · Attitudes to and use of analgesia by Queensland veterinarians · Treatment of anoestrus in bitches · Risk of arboviruses following waterbird movement 相似文献
87.
Kazuyuki Matsuo Noriharu Ae Saykham Vorachit 《Communications in Soil Science and Plant Analysis》2017,48(9):1078-1088
Unsaturated incubation (UI) of air-dried soil before flooding significantly reduced the reduction of redox potential and decreased the easily reducible iron (Fe) (ERFe). Antibacterial treatment of the soil decreased the ERFe level regardless of the moisture regime while fungicide treatment reduced the effects of UI. Treating soil under imposed UI with sucrose helped recover the ERFe to the non-UI level. The effects of UI disappeared after air-drying the soil; therefore, the decrease in ERFe—by imposing upland conditions before flooding—could be due to the decrease in the activity of iron-reducing bacteria owing to the depletion of respiratory substrates by bacterial activity during the upland conditions. These results indicate that a drastic change in soil moisture from dry to wet will increase the risk of iron toxicity by increasing the ERFe, but that maintaining an upland condition for more than one week before total submergence can reduce the risk of iron toxicity. 相似文献
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