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Larval interspecific competition in two flea species parasitic on the same rodent host
Abstract.  1. The fleas Xenopsylla conformis and Xenopsylla ramesis exploit the same rodent host, Meriones crassus, and replace each other between two different habitats situated at the oppositeExpand
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Immune response to fleas in a wild desert rodent: effect of parasite species, parasite burden, sex of host and host parasitological experience
SUMMARY We studied immune responses of the jird Meriones crassus to different flea species belonging to the same family. We used jirds maintained in an outdoor enclosure (enclosure; N=18) andExpand
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Energy costs of blood digestion in a host-specific haematophagous parasite
SUMMARY Fleas consume and digest blood from their hosts. We hypothesized that the energy costs of digestion of blood by fleas is dependent on the host species. To test this hypothesis, we studied CO2Expand
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Seasonal daily, daytime and night-time field metabolic rates in Arabian babblers (Turdoides squamiceps).
Arabian babblers (Turdoides squamiceps; mean adult body mass=72.5 g) inhabit extreme deserts of Israel. Previous studies have shown that their daily field metabolic rates are similar in winter andExpand
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Dietary intake and time budget in two desert rodents: a diurnal herbivore, Psammomys obesus, and a nocturnal granivore, Meriones crassus
We studied dietary intakes and time budgets in two desert gerbillids, Psammomys obesus, a diurnal herbivore, and Meriones crassus, a nocturnal granivore. P. obesus was offered fresh leaves ofExpand
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Host specificity and foraging efficiency in blood-sucking parasite: feeding patterns of the flea Parapulex chephrenis on two species of desert rodents
Parasite species can adapt to ecological, behavioral, physiological and biochemical traits of a particular host species. The flea Parapulex chephrenis occurs on the spiny mouse Acomys cahirinus, butExpand
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Host gender and offspring quality in a flea parasitic on a rodent
SUMMARY The quality of offspring produced by parent fleas (Xenopsylla ramesis) fed on either male or female rodent hosts (Meriones crassus) was studied. The emergence success, duration ofExpand
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Discrimination of host sex by a haematophagous ectoparasite
Sex biases in parasite infestation are known for various host–parasite systems. In most cases, males of higher vertebrates are infested by more parasites than females. The mechanisms behindExpand
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Ectoparasite performance when feeding on reproducing mammalian females: an unexpected decrease when on pregnant hosts
Reproduction is an energy-demanding activity in mammalian females, with increased energy requirements during pregnancy and, especially, during lactation. To better understand the interactions betweenExpand
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Is the feeding and reproductive performance of the flea, Xenopsylla ramesis, affected by the gender of its rodent host, Meriones crassus?
SUMMARY Male-biased parasitism is commonly found in higher vertebrates and is most likely to be a result of higher mobility and lower immunocompetence of male hosts than female hosts. The latterExpand
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