| observations on the efficiency of the japanese weasel, mustela sibirica itatsi temminck and schlegel, as a rat-control agent in the ryukyus. | | 1968 | 5306115 |
| parasitological survey on wild carnivora in north-western tohoku, japan. | in the winter of 1997-1998, we collected parasitological data from 60 wild carnivora in the north-western part of tohoku region, japan. these included 7 foxes (vulpes vulpes japonica), 20 raccoon dogs (nyctereutes procyonoides viverrinus), 29 martens (martes melampus melampus), 3 weasels (two mustela sibirica itatsi and one m. nivalis namiyei), and one japanese badger (meles meles anakuma). roundworms (toxocara canis in foxes and toxocara tanuki in raccoon dogs), hookworms (ancylostoma kusimaens ... | 1999 | 10535507 |
| molecular epidemiological study for tick-borne disease (ehrlichia and anaplasma spp.) surveillance at selected u.s. military training sites/installations in korea. | vector-borne diseases are a potential public health threat to u.s. forces korea (usfk). ehrlichia and anaplasma spp., transmitted by ticks, are only two of several diseases that may affect military readiness and operations. rodents were collected at selected u.s. military installations and training sites in the republic of korea. dna was extracted from spleen tissues and assayed by pcr methods for ehrlichia and anaplasma species. from rodents and mustelids collected during 1999 and 2000, a total ... | 2003 | 12860612 |
| effects of weasel odor on behavior and physiology of two hamster species. | this study examined the behavioral and physiological effects of long-term exposure to overdose of aversive odor (predator odor) in two species of hamsters. about 0.05 mg of anal gland secretions of siberian weasels (mustela sibirica) was smeared at the oronasal groove of wild male ratlike hamsters (cricetulus triton) (natural prey) and laboratory golden hamsters (mesocricetus auratus) once every day for 4 weeks. after 28 days, the experimental groups of both hamster species displayed higher cort ... | 2003 | 12954393 |
| the epidemiology of animal trichinellosis in china. | the epidemiology of animal trichinellosis in china based mainly upon original chinese literature published between 1937 and 2004 is reviewed. the seroprevalence of trichinella infection in herbivores was 0.7% (2/300) in cattle and 0.8% (4/500) in sheep. the prevalence of trichinellosis in naturally infected cattle was 1.2% (2/163). trichinella larvae were detected in 1.4% (3/215) of sheep and in 2.1% (1/47) of beef cattle sold at markets. canine trichinellosis was recorded in 13 provinces, auton ... | 2007 | 16162414 |
| fecal dna analysis for identifying species and sex of sympatric carnivores: a noninvasive method for conservation on the tsushima islands, japan. | fecal analysis is a useful tool for the investigation of food habits and species identity in mammals. however, it is generally difficult to identify the species based on the morphological features and contents of feces deposited by mammals of similar body size. therefore we developed noninvasive dna analysis methods using fecal samples for identification of the species and sex of four small sympatric carnivores living on the tsushima islands of japan: the leopard cat (felis bengalensis), japanes ... | 2005 | 16267168 |
| epidemiology, histopathology, and muscle distribution of trichinella t9 in feral raccoons (procyon lotor) and wildlife of japan. | the prevalences of trichinella t9 in trapped raccoons (procyon lotor) and several other potential mammalian reservoirs in hokkaido, wakayama, and nagasaki prefectures were investigated. muscle samples were collected from 2003 to 2006 from 1,080 raccoons, 113 raccoon dogs including 2 species (nyctereutes procyonoides albus and n. p. viverrinus), 41 wild boars (sus scrofa leucomystax), 14 martens (martes melampus), 10 badgers (meles meles), 5 siberian weasels (martes sibirica coreana), 7 mink (mus ... | 2007 | 17310398 |
| intrageneric diversity of the cytochrome b gene and phylogeny of eurasian species of the genus mustela (mustelidae, carnivora). | to illuminate molecular phylogenetic relationships among eurasian species of the genus mustela (mustelidae, carnivora), we determined nucleotide sequences of the complete mitochondrial cytochrome b gene region (1,140 base pairs). molecular phylogenetic trees, constructed using the neighbor-joining and the maximum likelihood methods, showed the common topology of species relationships to each other. the american mink m. vison first branched off and was positioned very remotely from the other spec ... | 2000 | 18517304 |
| epizootic canine distemper virus infection among wild mammals. | in the spring of 2007, seven raccoon dogs and a weasel were captured near the city of tanabe in wakayama prefecture, japan. the causative agent of the animals' death 1-2days after capture was identified as canine distemper virus (cdv) by virus isolation, immunostaining with an anti-cdv polyclonal antibody, and a commercially available cdv antigen-detection kit. sequence analysis of hemagglutinin genes indicated the isolated viruses belong to genotype asia-1 and possess the substitution from tyro ... | 2011 | 21840141 |
| behavioral and physiological responses of striped field mice (apodemus agrarius) to predator odor. | predation risk is one of the most important selective forces in nature and has significant effects on the behavior and physiology of prey individuals. prey species have evolved several different traits to reduce and avoid this predation pressure. this research aimed to determine the behavioral and physiological responses of striped field mice to predator risk. in the present study, we compared the agonistic behavior in male and female striped field mice (apodemus agrarius pallas, 1771) of the sa ... | 2011 | 22182325 |
| spargana in a weasel, mustela sibirica manchurica, and a wild boar, sus scrofa, from gangwon-do, korea. | to know the status of sparganum (plerocercoid of spirometra erinacei) infection in the korean wild life, several species of wild animals were captured in gangwon-do and examined for their status of infection with spargana. from february to december 2011, a total of 62 wild boars, 5 badgers, 1 weasel, 1 siberian chipmunk, and 53 wild rodents were captured, and their whole muscles were examined with naked eyes for the presence of spargana worms. from the weasel and 1 wild boar, a total of 5 sparga ... | 2013 | 23864753 |
| isolation and phylogenetic analysis of bartonella species from wild carnivores of the suborder caniformia in japan. | the prevalence of bartonella species was investigated among wild carnivores of the suborder caniformia, including 15 japanese badgers (meles anakuma), 8 japanese martens (martes melampus), 2 japanese weasels (mustela itatsi), 1 siberian weasel (mustela sibirica), 171 raccoon dogs (nyctereutes procyonoides), and 977 raccoons (procyon lotor) in japan. bartonella bacteria were isolated from one japanese badger (6.7%) and from one japanese marten (12.5%); however, no bartonella species was found in ... | 2012 | 22841404 |
| phylogenetic position of the japanese river otter lutra nippon inferred from the nucleotide sequence of 224 bp of the mitochondrial cytochrome b gene. | a 224 bp fragment of the mitochondrial cytochrome b gene has been amplified from a 30-year-old mummy-like specimen of the japanese river otter lutra nippon by polymerase chain reaction (pcr). the amplified products were subcloned in the smal site of puc 18 and sequenced. the sequence was different from those of the congeneric eurasian otters lutra lutra (latvia) and lutra lutra (china) in 7-9 nucleotides, all of which were located at the third position of a codon and identified as transitional d ... | 1996 | 8940916 |
| fugong virus, a novel hantavirus harbored by the small oriental vole (eothenomys eleusis) in china. | rodents are natural reservoirs of hantaviruses, which cause two disease types: hemorrhagic fever with renal syndrome in eurasia and hantavirus pulmonary syndrome in north america. hantaviruses related human cases have been observed throughout asia, europe, africa, and north america. to date, 23 distinct species of hantaviruses, hosted by reservoir, have been identified. however, the diversity and number of hantaviruses are likely underestimated in china, and hantavirus species that cause disease ... | 2016 | 26880191 |
| spatial co-occurrence and activity patterns of mesocarnivores in the temperate forests of southwest china. | understanding the interactions between species and their coexistence mechanisms will help explain biodiversity maintenance and enable managers to make sound conservation decisions. mesocarnivores are abundant and diverse mid-sized carnivores and can have profound impacts on the function, structure and dynamics of ecosystem after the extirpation of apex predators in many ecosystems. the moist temperate forests of southwest china harbor a diverse community of mesocarnivores in the absence of apex ... | 2016 | 27723772 |
| comparative functional anatomy of hindlimb muscles and bones with reference to aquatic adaptation of the sea otter. | although the sea otter (enhydra lutris) is a complete aquatic species, spending its entire life in the ocean, it has been considered morphologically to be a semi-aquatic animal. this study aimed to clarify the unique hindlimb morphology and functional adaptations of e. lutris in comparison to other mustelidae species. we compared muscle mass and bone measurements of five mustelidae species: the sea otter, eurasian river otter (lutra lutra), american mink (neovison vison), japanese weasel (mustel ... | 2015 | 25715875 |
| new methods for species and sex determination in three sympatric mustelids, mustela itatsi, mustela sibirica and martes melampus. | we developed novel species and sex determination methods for three japanese mustelid species. we used ddx3y to determine sex and generated a primer set to amplify both ddx3x and ddx3y dna in mustela itatsi, m. sibirica and martes melampus. to determine species and sex simultaneously, we generated fluorescence-labelled primers that give different fragment lengths at d-loop, ddx3x and ddx3y of these three species using a dna sequencer. | 2010 | 21565122 |
| phylogenetic analysis of the mustela altaica (carnivora: mustelidae) based on complete mitochondrial genome. | the mountain weasel (mustela altaica) belongs to family mustelidae, which is the near threatened species in the iucn red list. in this study, the complete mitochondrial genome of m. altaica was sequenced and characterized. the genome is 16,521 bases in length (genbank accession no. kc815122). the nucleotide sequence data of 12 heavy-strand protein-coding genes of m. altaica and other 20 mustelidae species were used for phylogenetic analyses. trees constructed by using bayesian inference, maximum ... | 2014 | 23795845 |
| phylogenetic relationships and divergence times among mustelids (mammalia: carnivora) based on nucleotide sequences of the nuclear interphotoreceptor retinoid binding protein and mitochondrial cytochrome b genes. | phylogenetic relationships among 20 species-group taxa of mustelidae, representing mustelinae (mustela, martes, gulo), lutrinae (enhydra), and melinae (meles), were examined using nucleotide sequences of the nuclear interphotoreceptor retinoid binding protein (irbp) and mitochondrial cytochrome b genes. neighbor-joining and maximum-parsimony phylogenetic analyses on these genes separately and combined were conducted. while irbp performed better than cytochrome b in recovering more-inclusive clad ... | 2003 | 12655187 |
| possible coding for recognition of sexes, individuals and species in anal gland volatiles of mustela eversmanni and m. sibirica. | with a combination of solvent extraction and gas chromatography-mass spectrometry, we found eight new compounds in the two sympatric mustela species, m. eversmanni and m. sibirica. these compounds had not been detected by headspace sampling with solvent desorption. two of the newly detected compounds are nitrogen-containing compounds, indole and o-aminoacetophenone and the remaining are sulfur-containing volatiles. by comparing same and opposite sexes between the two mustela species, we found th ... | 2003 | 12826534 |
| volatile compounds in anal gland of siberian weasels (mustela sibirica) and steppe polecats (m. eversmanni). | the volatile constituents in anal gland secretions of two sympatric mustela species, the siberian weasel (m. sibirica) and steppe polecat (m. eversmanni), were studied by the headspace technique, followed by gas chromatography-mass spectrometry (gc-ms) analysis. nine sulfur-containing compounds were identified. they were 2,2-dimethylthietane, (z)- or (e)-2,4-dimethylthietane, (e)-2,3-dimethylthietane, 2-ethylthietane, (e)-2-ethyl-3-methylthietane, (z)-2-ethyl-3-methylthietane, 2-propylthietane, ... | 2002 | 12184403 |
| genetic variation of the mhc class ii drb genes in the japanese weasel, mustela itatsi, endemic to japan, compared with the siberian weasel, mustela sibirica. | major histocompatibility complex (mhc) genes encode proteins that play a critical role in vertebrate immune system and are highly polymorphic. to further understand the molecular evolution of the mhc genes, we compared mhc class ii drb genes between the japanese weasel (mustela itatsi), a species endemic to japan, and the siberian weasel (mustela sibirica), a closely related species on the continent. we sequenced a 242-bp region of drb exon 2, which encodes antigen-binding sites (abs), and found ... | 2015 | 26593752 |
| vomeronasal organ lesion disrupts social odor recognition, behaviors and fitness in golden hamsters. | most studies support the viewpoint that the vomeronasal organ has a profound effect on conspecific odor recognition, scent marking and mating behavior in the golden hamster (mesocricetus auratus). however, the role of the vomeronasal organ in social odor recognition, social interaction and fitness is not well understood. therefore, we conducted a series of behavioral and physiological tests to examine the referred points in golden hamster. we found that male hamsters with vomeronasal organ lesio ... | 2014 | 24952966 |
| insular variation of the craniodental morphology in the siberian weasel mustela sibirica. | we compared craniodental morphology among 5 populations of the siberian weasel mustela sibirica including 2 insular ones (tsushima and taiwan). skulls of the insular individuals tended to be smaller than those of continental ones. shape differences were also detected, but not so pronounced. considering these results, the taiwan population should be regarded as a distinct subspecies m. s. taivana from the mainland ones. the tsushima population may also possibly be a distinct subspecies from the m ... | 2013 | 23292106 |
| phylogenetic relationships of strongyloides species in carnivore hosts. | strongyloides stercoralis is a parasitic nematode and a major pathogen responsible for human strongyloidiasis. the presence of this species in the dog population has led to an interest in studying the phylogenetic relationships among strongyloides spp. in carnivore hosts. in the present study, strongyloides spp. from various carnivore hosts (raccoon, japanese badger, siberian weasel, raccoon dog, masked palm civet, and domestic cat) were sought. except for civets, strongyloides spp. were identif ... | 2020 | 32502520 |
| infections of two isthmiophora species (digenea: echinostomatidae) in wild mammals from republic of korea with their morphological descriptions. | isthmiophora hortensis (digenea: echinostomatidae) is a dominant echinostome in animal reservoir hosts and humans in the republic of korea (korea). we intended to investigate the infection status with this echinostome species in the several species of wild animals and describe the morphological characteristics in the faunistic view point. a total of 175 animal carcasses belonging to 3 families, i.e., canidae, felidae and mustelidae, were collected from the southern regions of korea from march 20 ... | 2019 | 31914518 |
| influence of tree thinning on the abundance of mammals in a japanese larch larix kaempferi plantation. | we examined the influence of tree thinning on the abundance of mammals in a japanese larch larix kaempferi plantation in mt gariwang, pyeongchang, south korea. in 2014 and 2015, from april to october, we recorded the presence of tracks as a proxy for abundance, for the following seven mammalian species: korean hare lepus coreanus, raccoon dog nyctereutes procyonoides, siberian weasel mustela sibirica, eurasian badger meles meles, water deer hydropotes inermis, roe deer capreolus pygargus, and wi ... | 2017 | 30460053 |
| development of microsatellite markers for the siberian weasel mustela sibirica. | the siberian weasel (mustela sibirica) is widely distributed in mainland asia, but its introduction into japan and subsequent expansion have affected the japanese weasel (m. itatsi). to provide a useful tool for population genetic studies and control of m. sibirica, we developed 10 polymorphic microsatellite markers. among 40 individuals of m. sibirica collected in hubei province, china, the number of alleles per locus varied from 2 to 19, with the observed heterozygosity ranging from 0.050 to 1 ... | 2019 | 30568067 |
| cranial variation in the siberian weasel mustela sibirica (carnivora, mustelidae) and its possible taxonomic implications. | alexei v. abramov, andrey yu. puzachenko, and ryuichi masuda (2018) morphometric variation in 23 cranial characters of 555 siberian weasels (mustela sibirica) was studied across its whole distribution range. most of the distribution range in siberia and china is occupied by medium-sized weasels, whereas the eastern part of the species range - including the russian far east, korea and eastern china - is occupied by the larger form. specimens from the pacific islands (jeju and tsushima) were morph ... | 2018 | 31966254 |