نتایج جستجو برای: rodent
تعداد نتایج: 27273 فیلتر نتایج به سال:
We characterized the relationship between fleas and their rodent hosts in the presence of prairie dog colonies and compared them to adjacent assemblages away from colonies. We evaluated the rodent-flea relationship by quantifying prevalence, probability of infestation, flea load, and intensity of fleas on rodents. As prairie dog burrows provide refugia for fleas, we hypothesized that prevalence...
The overall survival rate of extracorporeal life support (ECLS) remains at 60%. Research and development has been slow, in part due to the lack sophisticated experimental models. This publication introduces a dedicated rodent oxygenator (“RatOx”) presents preliminary vitro classification tests. RatOx an adaptable fiber module size for various Gas transfer performances over different blood flows...
Deciphering how climatic variability modulates the interspecific interactions in natural systems is one of most interesting and least studied ecological processes. Rodent outbreaks or irruptions semiarid Chile are associated with rainfall pulses driven by El Niño Southern Oscillation (ENSO). During last decade, north-central has experienced an almost uninterrupted sequence > 10 dry years, so-ca...
The history of the early Middle Pleistocene small mammal faunas Eastern Europe is very complicated. which spanned from Brunhes-Matuyama transition (772.9 ka BP, within MIS 19) till beginning Likhvin Interglacial (424 11) includes a number interglacials and glaciations. Rodent species Tiraspolian faunal assemblage were found in Chaudian fluvial deposits Cape Pekla section (northern coast Taman P...
Abstract Rodent biogeographic studies are disproportionately scarce in Iran, however, they an ideal system to understand drivers of biodiversity distributions the country. The aims present research determine (i) pattern rodent richness across country, (ii) quantify their elevational distribution patterns, and (iii) explore underlying mechanisms. To reach these goals, updated species list was co...
Rodent baits containing systemic insecticides are potential tools to interrupt the cycle of transmission of Leishmania parasites by killing sand flies that take bloodmeals from rodents as adults. Bio-indicators that can be used in conjunction with rodent-targeted sand fly control methods also have been developed to demonstrate that the insecticide treatments are reaching the targeted life stage...
Rodent pests are especially problematic in terms of agriculture and public health since they can inflict considerable economic damage associated with their abundance, diversity, generalist feeding habits and high reproductive rates. To quantify rodent pest impacts and identify trends in rodent pest research impacting on small-holder agriculture in the Afro-Malagasy region we did a systematic re...
GBM (glioblastoma multiforme) is a highly aggressive brain tumour with very poor prognosis despite multi-modalities of treatment. Furthermore, recent failure of targeted therapy for these tumours highlights the need of appropriate rodent models for preclinical studies. In this review, we highlight the most commonly used rodent models (U251, U86, GL261, C6, 9L and CNS-1) with a focus on the path...
Rodentia is the most diverse order among mammals, with more than 2,000 species currently described. Most of the time, species assignation is so difficult based on morphological data solely that identifying rodents at the specific level corresponds to a real challenge. In this study, we compared the applicability of 100 bp mini-barcodes from cytochrome b and cytochrome c oxidase 1 genes to enabl...
Both as consumers and dispersers of seeds, scatter-hoarding rodents often play an important role in the reproductive ecology of many plant species. However, the seeds of many plant species contain tannins, which are a diverse group of water-soluble phenolic compounds that have a high affinity for proteins. The amount of tannins in seeds is expected to affect rodent foraging preferences because ...
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