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herpesvirus sylvilagus in cottontail rabbits: attempted laboratory transmission by two insect species.the vector potential of the rabbit flea (cediopsylla simplex) and a mosquito (aedes triseriatus) was investigated for herpesvirus sylvilagus transmission among cottontail rabbits (sylvilagus floridanus). twelve groups of 12-50 fleas were fed on three viremic cottontails for 2-21 days before transfer to 12 susceptible rabbits. standard interrupted feeding trials employed five groups of 6-12 mosquitoes, two viremic donor cottontails anf five healthy recipients. no evidence of virus was detected fr ...1977190425
myxomatosis: breeding large numbers of rabbit fleas (spilopsyllus cuniculi dale).a simple method of breeding large numbers of rabbit fleas in a rabbit house with minimal disruption to the general routine is described.1977266539
myxomatosis: the transmission of a highly virulent strain of myxoma virus by the european rabbit flea sphilopsyllus cuniculi (dale) in the mallee region of victoria.the european rabbit flea spilopsyllus cuniculi (daley was introduced into australia to act as a vector of myxoma virus. it was first released in the semi-arid mallee region of victoria in 1970 where epizootics cuased by field strains of myxoma virus occur each summer. introductions of the readily identified lausanne strain were made annually following the release of the flea. the introductions were successful and the strain persisted for up to 16 weeks despite competition from field strains. the ...1977270525
myxomatosis: the release and spread of the european rabbit flea spilopsyllus cuniculi (dale) in the central district of victoria.the european rabbit flea was first released in victoria in august 1969 at werribee. releases were made on five different land forms. at one site the first flea was recovered 2 weeks after release. fleas were recovered between 4 and 6 weeks after release at the other sites. differences in establishment and spread on the different land forms were due to physically restricted movement of some rabbit populations. by june 1971 80% of rabbits were infested but an occasional young uninfested rabbit was ...1979489962
laboratory breeding of the european rabbit flea, spilopsyllus cuniculi (dale).a method is described for the laboratory breeding of the rabbit flea in which the immature stages are reared at constant temperature and humidity. eggs are obtained by confining fleas taken from a rabbit and her nest shortly after parturition with two of her nestlings in an incubator for 24 h. the eggs are transferred to an artificial diet medium on which the immature stages are reared. on average a female flea produces 50 eggs during the first six days post-partum. at 25 degrees c, 95% of eggs ...1979512357
myxomatosis: the occurrence of spilopsyllus cuniculi (dale) larvae on dead rabbit kittens.spilopsyllus cuniculi larvae were found actively feeding on dead rabbit kittens left in nest boxes for up to 12 days.1978565797
myxomatosis: changes in the epidemiology of myxomatosis coincident with the establishment of the european rabbit flea spilopsyllus cuniculi (dale) in the mallee region of victoria.outbreaks of myxomatosis during the winter or spring have coincided with the establishment of the european rabbit flea in the mallee region. the severity of these outbreaks has varied from causing complete suppression of the normal spring increase in rabbit numbers to being completely ineffective in a year in which late spring rains allowed rabbit breeding to extend into the early summer.in 1973 and 1974 effective spring myxomatosis caused heavy mortality in kittens before they emerged from the ...1978569676
myxomatosis: the occurrence of antibody to a soluble antigen of myxoma virus in wild rabbits, oryctolagus cuniculus (l.), in victoria, australia.the occurrence of antibody of myxoma virus in wild rabbits following epizootics is highest in the semi-arid north-west of victoria and lowest in temperate southern victoria. occurrence ranges up to about 90% in the north-west and to about 70% in the south except on the western plains where epizootics are rare and antibody occurrence seldom exceeds 30%. the establishment of the european rabbit flea may be changing the pattern of occurrence of antibody in the north-west by causing spring outbreaks ...1978701788
studies on host-flea relationship. iv. progesterone and cortisone do not influence the reproductive potentials of rat fleas xenopsylla cheopis (rothschild) and x. astia (rothschild).experiments carried out to study the influence of progesterone and cortisone on the initiation of ovarian maturation, fecundity rate and fertility of the two species of rat fleas xenopsylla cheopis (rothschild) and x. astia (rothschild) indicated that these hormones do not exert any influence on their reproductive potentials. this along with earlier observations show that the factors which regulate ovarian maturation and fecundity in these rat fleas are different from those of the rabbit flea sp ...1976961004
the european rabbit flea spilopsyllus cuniculi as a straggler on mammals other than the wild rabbit oryctolagus cuniculus. 1976985264
myxomatosis: passive immunity in the offspring of immune rabbits (oryctolagus cuniculus) infested with fleas (spilopsyllus cuniculi dale) and exposed to myxoma virus.kittens with maternal antibodies to myxoma virus, the offspring of rabbits which had recovered from myxomatosis, were exposed to fleas contaminated with myxoma virus and/or contact with infected rabbits from birth. all kittens died or became infected before 8 weeks of age. when compared with adult animals similarly infected the kittens showed no advantage in terms of survival time or recovery rate attributable to maternal antibodies. flea transmission of virus was found more effective than conta ...19751054058
the differential transmissibility of myxoma virus strains of differing virulence grades by the rabbit flea spilopsyllus cuniculi (dale).laboratory studies showed that few rabbit fleas (spilopsyllus cuniculi (dale)) transmitted myxomatosis after removal from wild rabbits (oryctolagus cuniculus (l) that had been infected for fever than 10-12 days, irrespective of the virulence of the myxoma virus strain involved. rabbits infected with fully virulent (grade i) strains died within 10-15 days and few fleas from these hosts became infective; averaging all the samples takem. 12% of the fleas were infective. also, few fleas acquired inf ...19751058245
seasonal variation in numbers of the rabbit flea on the wild rabbit.samples of rabbits were obtained throughout each month over the 4-year period 1967-70. all fleas were removed, sexed and counted and the reproductive condition of the rabbits recorded. rabbit fleas spilopsyllus cuniculi (dale) were present on both sexes of rabbit at all times of the year. in each year significantly high numbers of fleas were found on the rabbits in january, february, march and april and significantly low numbers in august, september and october. mean flea counts were significant ...19751118183
[new flea species in the fauna of the crimean peninsula].two species of fleas, spilopsyllus cuniculi dale, 1878, and stenoponia tripectinata tripectinata tiraboschi, 1902, were reported in european rabbit and small rodents (common field mouse, yellow-necked field mouse, house mouse) respectively, of the crimean peninsula. the finding of new for the fauna of the crimea species of fleas demonstrates new changes in its fauna and enlarges the picture of the distribution area of these species, thus supplementing the available information on the ways of the ...19911813845
[spilopsyllus cuniculi fleas--parasites of the wild rabbit on the territory of the ussr].in colonies of wild rabbits in the south of the ukraine (environs of the city of kherson) and in the crimea (near the city of belogorsk) there were found in masse fleas of spilopsyllus cuniculi (dale). the highest abundance of these parasites in spring, its decrease in summer, minimum in early autumn and rise by winter, as well as great abundance of the parasites on pregnant doe rabbits, correspond to regularities which were observed in other parts of s. cuniculi distribution area.19902142272
dermatitis in a cat associated with spilopsyllus cuniculi. 19902309391
myxomatosis in farmland rabbit populations in england and wales.the overall pattern and consequences of myxomatosis in wild rabbit populations were studied at three farmland sites in lowland southern england and upland central wales between 1971 and 1978. when results from all years were combined, the disease showed a clear two-peaked annual cycle, with a main autumn peak between august and january, and a subsidiary spring peak during february to april. rabbit fleas, the main vectors of myxomatosis in britain, were present on full-grown rabbits in sufficient ...19892806418
dermatitis of the pinnae of cats in australia associated with the european rabbit flea (spilopsyllus cuniculi). 19883146153
a model of myxomatosis based on hormonal control of rabbit-flea reproduction.a two-dimensional first-order nonlinear system of ordinary differential equations with constant coefficients is constructed to model the rabbit/flea dynamics of the european rabbit viral disease known as myxomatosis. it is proved that infected fleas induce stable oscillations of small amplitude for a range of coefficient values when the rothschild coupling coefficient r, which models biochemical control of flea reproduction by the rabbit, attains a critical (hopf) value ro. these oscillations ma ...19883392434
the rabbit flea and hormones. 19654158266
does a pheromone-like factor from the nestling rabbit stimulate impregnation and maturation in the rabbit flea? 19694378428
a reappraisal of the role of mosquitoes in the transmission of myxomatosis in britain.field experiments were made in southern england to re-examine the possibility that mosquitoes in britain might feed on wild rabbits and hence be vectors of myxomatosis. mosquitoes of several species were attracted to rabbits enclosed in cylindrical traps and in a trap in which the animal was placed in a wire mesh cage. substantial numbers of mosquitoes were also caught biting, or attempting to bite, tethered rabbits which were not in cages or traps. evidence that mosquitoes fed on wild rabbits u ...19714401995
macquarie island: the introduction of the european rabbit flea spilopsyllus cuniculi (dale) as a possible vector for myxomatosis.the european rabbit flea spilopsyllus cuniculi (dale) was first released on macquarie island in december 1968. the flea has survived and bred on the island and about 30% of the rabbits sampled from the original release area in january 1972 were flea-infested.19734515880
myxomatosis: some observations on breeding the european rabbit flea spilopsyllus cuniculi (dale) in an animal house.rabbit fleas for use in myxomatosis investigations have been successfully bred on rabbits in an animal house. the timing of emergence appeared to be governed by a biological timing control interacting with different forms of disturbance. yield was found to be related to litter size, the time the doe and her kittens were removed from the nest, the number of fleas put onto a doe before littering and the mean ambient temperature to which the doe was exposed in the week pre-partum. the survival rate ...19744526409
comb variations in the rabbit flea, cediopsylla simplex (baker). 19744851084
myxomatosis: the introduction of the european rabbit flea spilopsyllus cuniculi (dale) into wild rabbit populations in australia.1. the european rabbit flea spilopsyllus cuniculi (dale) bred successfully in wild rabbits on three properties in new south wales and, within two breeding seasons, almost every rabbit shot within a quarter of a mile of a release site was infested.2. it was demonstrated that the flea transmitted myxoma virus in the field.3. in areas where more than 75% of the rabbits shot at the beginning of the breeding season were flea-infested and myxoma virus was present, populations failed to show the expect ...19715285938
[inoculation myxomatosis caused by the rabbit flea and myxomatosis from burrowing]. 19695408476
myxomatosis and the rabbit flea. 19655882363
myxomatosis and the rabbit flea. 19655885852
hormones of the vertebrate host controlling ovarian regression and copulation of the rabbit flea. 19665965545
[a new spilotylenchus (nematoda, tylenchida : allantonematidae) parasite of spilopsyllus cuniculi (dale) (siphonaptera : pulicidae), siphonaptera of wild rabbits].spilotylenchus beaucournui sp. n. is described and compared with the other species belonging to the genus spilotylenchus. this nematode produce a locking of the oogenesis in female fleas.19846486627
[spilotylenchus arthuri, gen. n., sp. n. (nematodea, tylenchida: allantonematidae), parasite of spilopsyllus cuniculi (dale, 1878) (siphonaptera: pulicidae)].spilotylenchus arthuri gen. n., sp. n. (nematodea, tylenchida: allantonematidae) parasite of the european rabbit flea spilopsyllus cuniculi (dale, 1878) is described from a material including parasitic females so as freeliving adults, male and female. neoparasitylenchus megabothridis laumond et beaucournu, 1977 and n. laplandicus rubtzov et darskaya, 1981, are held to belong to this new genus. s. arthuri produce a locking of the oogenesis in female fleas.19836625467
[on the phenology of the flea xenopsylla cunicularis smit, 1957 (siphonaptera, pulicidae) parasite of the european rabbit].a population of xenopsylla cunicularis parasite on the european rabbit oryctolagus cuniculus was studied monthly during the year 1977 in the south-west of france. the large-scale emergence of adults take place at the beginning of summer. a major part of them is then found in the soil of the burrows. reproduction lease at the beginning of autumn which is marked by a great mortality. some fleas persisted in winter, and they are found on the hosts. the annual cycle of x. cunicularis is compared wit ...19827125494
[description of the larva of xenopsylla cunicularis smit, 1957 (siphonaptera, pulicidae) (author's transl)].the larva of xenopsylla cunicularis is described for the first time. its morphology is compared with that of other flea larvae belonging to the xenopsylla conformis group, and with the larva of an other pulicidae parasitic on the european rabbit: spilopsyllus cuniculi.19817337378
helminth parasites and arthropods of feral cats.the prevalence (%) of helminth parasites in 327 mainly adult feral cats from 3 habitat groupings in victoria and new south wales was determined. the cestodes taenia taeniaeformis (33%) and spirometra erinacei (33%) were common; dipylidium caninum was rate (2%). the nematodes toxocara cati (28%), cyathospirura dasyuridis and cylicospirura felineus combined (27%) and aelurostrongylus abstrusus (14%) were common but their prevalence differed markedly between habitats. ollulanus tricuspis (5%), gnat ...19817340783
myxomatosis: the emergence of male and female european rabbit fleas spilopsyllus cuniculi (dale) from laboratory cultures.the sex ratios and the emergence patterns of the european rabbit flea bred under animal house conditions were examined. an overall preponderance of female fleas was found. this was due to the greater preponderance of female fleas in the primary emergence, whereas the sex ratios in the secondary emergence were about 1:1.19807351477
new species of flea (siphonaptera: pulicidae) from spain.the male holotype and female allotype of echidnophaga iberica ribeiro, lucientes, osacar & calvete, a new species of rabbit flea from the zaragoza area, northeastern spain, is described on the basis of examination of a type series of six males and 13 females. similarities of the new species with other species of the genus echidnophaga are discussed and a key to identification of the four known mediterranean species of the genus is provided.19947815402
[myxomatosis in the sub-antarctic islands of kerguelen, without vectors, thirty years after its introduction].myxoma virus was introduced into the kerguelen archipelago in 1955-1956. thirty years after its introduction, the virus is present in most areas inhabited by rabbits. rabbit fleas and mosquitoes are absent from this group of islands and the disease is transmitted by contact. the timing of the beginning of new myxomatosis outbreaks, the absence of real epizootics as well as the higher percentage of infected males over females are specific observations in favour of this mode of transmission. the m ...19947994607
does myxomatosis still regulate numbers of rabbits (oryctolagus cuniculus linnaeus, 1758) in the united kingdom?myxomatosis now kills a much smaller proportion of rabbit populations than in the past, while remaining an important regulatory factor, as shown experimentally. on two separate occasions, experimental reduction of the prevalence of the disease (by reducing infestations of the main vector, the rabbit flea) led to significant increases in numbers of rabbits surviving the winter.19938518445
leporacarus gibbus and spilopsyllus cuniculi infestation in a pet rabbit.a one-year-old male, chequered giant rabbit had a simultaneous infestation with both leporacarus gibbus and spilopsyllus cuniculi. recurrent episodes of mild to severe pruritus had been noted over a period of two months. on clinical examination, partial alopecia and slightly erythematous skin with flea faeces was evident, although microscopic and cultural examinations of skin scrapings were negative for fungi. parasitological examination, including adhesive tape strips of the rabbit's skin and f ...199910385865
[farm animals as disease vectors of parasitic epizoonoses and zoophilic dermatophytes and their importance in dermatology].different pest arthropods and dermatophytes occurring primarily in farm animals may be transmissible to man and produce human dermatoses. the movement and cutaneous penetration habits of external parasites often cause crusted papules, severe itching and dermatitis or may damage their hosts by blood-sucking or by sensitizing them to their saliva. furthermore different dermatophytes should be considered a possible cause of human skin lesions. farm animals (cattle, pig, poultry, and rabbit) can tra ...199910501677
notes on the life-history of the rabbit flea caenopsylla laptevi ibera beaucournu & marquez, 1987 (siphonaptera: ceratophyllidae) in eastern spain.the rabbit flea caenopsylla laptevi ibera occurs in arid environments of central and eastern spain. although the fleas breed during the coolest, most humid part of the year, the larvae survive and grow in sand at only 50-60% relative humidity. at 22 degrees c and 80% relative humidity eggs hatch in six days and the cocoon stage is reached 10-11 days after hatching. female fleas emerge from pupation at about 17 days after cocoon spinning; males emerge a little later at a mean of 20 days. adult fl ...199910633506
seasonal abundance of fleas (siphonaptera: pulicidae, ceratophyllidae) on wild rabbits in a semiarid area of northeastern spain.this paper reports the annual dynamics of wild rabbit fleas in a study site located in the middle ebro valley, northeastern spain. fleas collected directly from wild rabbits included the species spilopsyllus cuniculi (dale), xenopsylla cunicularis (smit), echidnophaga iberica (ribeiro, lucientes, osácar, and calvete), caenopsylla laptevi (beaucournu, gil-collado and gilot), and pulex irritans (l.). monthly collections of adult and larval fleas made from within the first meter of selected burrow ...200111372966
species of flea (siphonaptera) infesting pets and hedgehogs in germany.the species of flea infesting pets and hedgehogs in germany were investigated through a survey of small animal practitioners throughout the country who were asked to collect specimens at their veterinary practices. a total of 625 veterinarians/veterinary practices responded and provided 2445 intact anti identifiable flea specimens. these fleas originated from 294 dogs (795 fleas), 334 cats (1152 fleas), 76 hedgehogs (481 fleas), five domestic rabbits (10 fleas), one golden hamster (four fleas) a ...200111393815
abiotic factors influencing the ecology of wild rabbit fleas in north-eastern spain.during 1992, the population dynamics of rabbit fleas were compared at two sites in north-eastern spain. the sites differed mainly in terms of annual rainfall and soil type. all flea species showed seasonal cycles of abundance, although peaks in numbers occurred at different times, reflecting their specific adaptations for coping with climatic variables. adult spilopsyllus cuniculi (dale) (siphonaptera: pulicidae) were found largely parasitizing rabbits in spring and adult caenopsylla laptevi (be ...200111434549
monitoring the spread of myxoma virus in rabbit oryctolagus cuniculus populations on the southern tablelands of new south wales, australia. iii. release, persistence and rate of spread of an identifiable strain of myxoma virus.an identifiable strain of myxoma virus was introduced into four local populations of wild rabbits oryctolagus cuniculus on the southern tablelands of new south wales (nsw) and its spread in the presence of other field strains was monitored for 6 months. the main vector in this region was considered to be the european rabbit flea spilopsyllis cuniculi. each population of rabbits was of a high density and living in groups of warrens covering areas from 59 to 87 hectares. rabbits occupying centrall ...200312613755
[the role of the flea of the wild rabbit spilopsyllus cuniculi (dale, 1878) in the preservation of the mediterranean boutonneuse exanthematic fever virus]. 196314093966
a correlation between development of the ovaries and of the midgut epithelium in the rabbit flea spilopsyllus cuniculi. 196414151412
maturation and egg-laying of the rabbit flea (spilopsyllus cuniculi dale) induced by the external application of hydrocortisone. 196414207256
rabbit fleas on wild rabbits and the transmission of myxomatosis. 195514370200
the inadvertent introduction into australia of trypanosoma nabiasi, the trypanosome of the european rabbit (oryctolagus cuniculus), and its potential for biocontrol.wild rabbits (oryctolagus cuniculus) in australia are the descendents of 24 animals from england released in 1859. we surveyed rabbits and rabbit fleas (spilopsyllus cuniculi) in australia for the presence of trypanosomes using parasitological and pcr-based methods. trypanosomes were detected in blood from the european rabbits by microscopy, and pcr using trypanosome-specific small subunit ribosomal rna (ssu rrna) gene primers and those in rabbit fleas by pcr. this is the first record of trypano ...200516101782
survey of flea infestation in dogs and cats in the united kingdom during 2005.during 2005, 31 uk veterinary practices participated in a survey of flea infestation, during which 2653 dogs and 1508 cats were examined for evidence of flea infestation and skin disease compatible with flea allergy dermatitis (fad). the prevalence of flea infestation in the cats was 21.09 per cent, significantly (p<0.001) higher than in the dogs (6.82 per cent). the prevalence of skin lesions compatible with fad in the cats (8.02 per cent) was also significantly (p<0.001) higher than in the dog ...200717435095
ectoparasites of the endangered iberian lynx lynx pardinus and sympatric wild and domestic carnivores in spain.ectoparasites can cause important skin disorders in animals and can also transmit pathogens. the iberian lynx lynx pardinus has been stated to be the most endangered felid in the world and such vector-borne pathogens may threaten its survival. we surveyed 98 wild carnivores (26 iberian lynxes, 34 red foxes vulpes vulpes, 24 egyptian mongooses herpestes ichneumon, 11 common genets genetta genetta, two eurasian badgers meles meles, one polecat mustela putorius) and 75 domestic but free-ranging car ...200717897365
repetitive sequences in the its1 region of the ribosomal dna of tunga penetrans and other flea species (insecta, siphonaptera).different tunga penetrans isolates from various hosts obtained from south america (fortaleza. brazil) have been studied by nucleotide sequence comparison of the first and the second internal transcribed spacer (its1, its2) of the ribosomal deoxyribonucleic acid (rdna) and part of the mitochondrial 16s rdna. results show no significant host-dependent sequence differences. no indication for intraindividual and intraspecific polymorphisms could be detected. comparing the its1 spacer region of t. pe ...200817952470
detection and identification of bartonella sp. in fleas from carnivorous mammals in andalusia, spain.a total of 559 fleas representing four species (pulex irritans, ctenocephalides felis, ctenocephalides canis and spilopsyllus cuniculi) collected on carnivores (five iberian lynx lynx pardinus, six european wildcat felis silvestris, 10 common genet genetta genetta, three eurasian badger meles meles, 22 red fox vulpes vulpes, 87 dogs and 23 cats) in andalusia, southern spain, were distributed in 156 pools of monospecific flea from each carnivore, and tested for bartonella infection in an assay ba ...200919941605
molecular detection of bartonella alsatica in rabbit fleas, france. 201021122251
detection of bartonella alsatica in european wild rabbit and their fleas (spilopsyllus cuniculi and xenopsylla cunicularis) in spain.bartonella alsatica has been formerly isolated from the blood of wild european rabbit (oryctolagus cuniculus) and identified as causative agent of human endocarditis and lymphadenitis. fleas are known biological vectors for bartonella sp. this report details the specific detection of b. alsatica in three flea species commonly associated with the european wild rabbit in southern iberian peninsula (odontopsyllus quirosi, spylopsyllus cuniculi and xenopsylla cunicularis).201525623800
parasites of wild rabbits (oryctolagus cuniculus) from an urban area in germany, in relation to worldwide results.the european rabbit (oryctolagus cuniculus) belongs to the most invasive and successful mammalian species, which is distributed nearly worldwide. in europe, they inhabit broad parts of the mainland and subsequently reached several european islands via anthropogenic diversion. rabbits can also serve as hosts for numerous parasite species. the parasite and pathogen fauna of o. cuniculus have been well documented in various european countries, although studies in germany are scarce. until now, a co ...201324096608
feline and canine leishmaniosis and other vector-borne diseases in the aeolian islands: pathogen and vector circulation in a confined environment.vector-borne diseases (vbds) are prevalently investigated in dogs. studies on feline vbds are scant, though feline leishmaniosis (fel) is increasingly recognised as a disease of cats in endemic areas. comprehensive investigations on the distribution of vbds in populations of cats and dogs living in relatively small geographical areas, such as islands, are currently lacking. in this study the prevalence of leishmania infantum and other vbd pathogens was assessed in cohorts of cats and dogs living ...201728288759
diversity of flea (siphonaptera) parasites on red foxes (vulpes vulpes) in romania.red foxes (vulpes vulpes (l.)) are widespread across europe, tolerant of synanthropic ecosystems, and susceptible to diseases potentially shared with humans and other animals. we describe flea fauna on red foxes in romania, a large, ecologically diverse country, in part because fleas may serve as an indicator of the risk of spillover of vector-borne disease. we found 912 individual fleas of seven species on the 305 foxes assessed, for an infestation prevalence of 49.5%. mean flea load per fox wa ...201728399300
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