نتایج جستجو برای: xenopsylla nuttalli
تعداد نتایج: 232 فیلتر نتایج به سال:
doi:10.4102/ojvr.v81i2.722 http://www.ojvr.org Authors: B.M. Hang’ombe1 M. Ziwa2 M. Haule2 I. Nakamura3 K.L. Samui1 D. Kaile4 A.S. Mweene1 B.S. Kilonzo5 E.F. Lyamuya2 M. Matee2 C. Sugimoto3 H. Sawa3 B.W. Wren6 Affiliations: 1School of Veterinary Medicine, University of Zambia, Zambia 2Muhimbili University of Health and Allied Sciences, Tanzania 3Hokkaido University Research Center for Zoonosis ...
Relative numbers of Xenopsylla vexabilis Jordan on Rattus eXlt/ans (Peale) and Mus musculus L. and in their nests were determined monthly in a field of maturing sugar cane at Kukuihaele, island of Hawaii, January 1962-March 1963, in a preliminary study using nest boxes and live traps. Mean numbers of fleas in active rat nests were most closely correlated with mean numbers of fleas infesting rat...
Yersinia pestis, the causative agent of plague, has recently diverged from the less virulent enteropathogen Yersinia pseudotuberculosis. Its emergence has been characterized by massive genetic loss and inactivation and limited gene acquisition. The acquired genes include two plasmids, a filamentous phage, and a few chromosomal loci. The aim of this study was to characterize the chromosomal regi...
Currently, there is a lack of surveys that report the occurrence of gastrointestinal parasites in the white-headed capuchin monkey (Cebus albifrons). We therefore assessed the presence and richness (= number of different parasite genera) of parasites in C. albifrons in wildlife refuges (n = 11) and in a free-ranging group near a human village (n = 15) in the Ecuadorian Amazon. In the 78 samples...
African lion ( Panthera leo ) numbers are decreasing rapidly and populations are becoming smaller and more fragmented. Infectious diseases are one of numerous issues threatening free-ranging lion populations, and low-density populations are particularly at risk. We collected data on the prevalence and diversity of viral and parasitic pathogens in a small lion population in eastern Botswana. Dur...
As part of the Wine Spring Creek ecosystem management project on the Nantahala National forest, North Carolina, we assessed effects of a community restoration ®re on small mammals and herpetofauna in the upper slope pitch pine (Pinus rigida) stands, neighboring midslope oak (Quercus spp.) stands and rhododendron (Rhododendron maximum) dominated riparian areas during 1995 and 1996. Using drift-f...
Growth of ice on surfaces poses a challenge for both organisms and for devices that come into contact with liquids below the freezing point. Resistance of some organisms to ice formation and growth, either in subtidal environments (e.g., Antarctic anchor ice), or in environments with moisture and cold air (e.g., plants, intertidal) begs examination of how this is accomplished. Several factors m...
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