| androgen control of the ventral scent gland in neotoma floridana. | | 1975 | 1117246 |
| primary immune responses of selected small mammal species to heterologous erythrocytes. | 1. we surveyed the primary humoral immune responsiveness of six small mammal species (peromyscus leucopus, microtus pinetorum, perognathus hispidus, neotoma floridana, onychomys leucogaster, mus musculus) collected from wild populations in central oklahoma using sheep red blood cells (srbc) as the immunogen and a splenic plaque-forming cell (pfc) assay. 2. individuals within each wild species examined produced antibodies to a single intraperitoneal injection of srbc, however, considerable inters ... | 1991 | 1682088 |
| new host and locality records of coccidia (apicomplexa: eimeriidae) from rodents in the southwestern and western united states. | one hundred forty-seven murid and heteromyid rodents were collected from various sites in the southwestern and western united states (arizona, colorado, new mexico, texas, and utah) and baja california norte, mexico, and their feces were examined for coccidial parasites. of these, 53 (36%) were infected with at least 1 coccidian; 45 of 53 (85%) of the infected rodents harbored only 1 species of coccidian. infected rodents included: 10 of 22 (45%) neotoma albigula, 3 of 11 (27%) neotoma floridana ... | 1991 | 1779282 |
| hearing in two cricetid rodents: wood rat (neotoma floridana) and grasshopper mouse (onychomys leucogaster). | the audiograms of two wood rats and three grasshopper mice were determined with a conditioned avoidance procedure. the wood rats were able to hear tones from 940 hz to 56 khz at a level of 60 db (spl), with their best sensitivity of -3 db occurring at 8 khz. the hearing of the grasshopper mice ranged from 1.85 khz to 69 khz at 60 db (spl), with their best sensitivity of 9 db also occurring at 8 khz. these results support the relation between interaural distance and high-frequency hearing and bet ... | 1985 | 3899497 |
| copulatory behavior of neotoma floridana. | | 1974 | 4443656 |
| eimeria glauceae sp. n. and eimeria dusii sp. n. (protozoa: eimeriidae) from the eastern woodrat, neotoma floridana, from alabama. | | 1974 | 4833851 |
| effects of sodium chloride on water consumption, weight, and survival in the woodrats, neotoma micropus and neotoma floridana. | | 1970 | 5425661 |
| the eastern wood rat, neotoma floridana osagensis: a laboratory colony. | | 1968 | 5704246 |
| naturally acquired rabies in an eastern wood rat (neotoma floridana). | rabies in an eastern wood rat was detected by fluorescent antibody testing and mouse inoculation. the results were independently confirmed. | 1981 | 7007427 |
| eimeria strangfordensis sp. n., eimeria barleyi sp. n., and eimeria antonellii sp. n. from the eastern woodrat (neotoma floridana) from pennsylvania. | three new eimerian species are described from the eastern woodrat, neotoma floridana, in pennsylvania. sporulated oocysts of eimeria strangfordensis sp. n. are broadly ellipsoidal, 25.0 to 31.7 (29.1) x 20.5 to 26.2 (24.1) with subspherical to ovoid sporocysts, 10.6 to 17.2 (13.4) x 7.4 to 16.4 (10.9). oocyst wall is thick, rough, pitted, and two layered with no micropyle. oocyst and sporocyst residuum and stieda body are present; polar granule is absent. sporulated oocysts of eimeria barleyi sp ... | 1980 | 7391874 |
| spontaneous lytic activity against heterologous erythrocytes in cotton rat (sigmodon hispidus) serum. | although innate immunity has been well studied in laboratory animal models, no such documentation exists for wild species possessing a diversity of physiological adaptations to their environment. we examined the blood sera of 188 hispid cotton rats (sigmodon hispidus) for naturally occurring hemolytic activity against heterologous erythrocytes. ninety-two percent of the blood sera samples from cotton rats lysed sheep erythrocytes. all sera tested against chicken erythrocytes showed hemolytic act ... | 1994 | 8076448 |
| ectoparasite fauna of the eastern woodrat, neotoma floridana: composition, origin, and comparison with ectoparasite faunas of western woodrat species. | we collected ectoparasites from eastern woodrats, neotoma floridana, from 3 sites in the southeastern united states: coastal south carolina, southeast georgia, and south-central georgia. twelve ectoparasite species were recovered from 47 woodrats in south carolina (5 ticks, 5 mites, 2 fleas), 13 from 35 woodrats in south-central georgia (1 tick, 10 mites, 2 fleas), and 4 from a small host sample (7) in southeast georgia (2 ticks, 1 mite, 1 flea). new state records are established for the listrop ... | 1997 | 9194815 |
| isolation, cultivation, and characterization of borrelia burgdorferi from rodents and ticks in the charleston area of south carolina. | twenty-eight borrelia burgdorferi isolates from the charleston, s.c., area are described. this represents the first report and characterization of the lyme disease spirochete from that state. the isolates were obtained from december 1994 through december 1995 from the tick ixodes scapularis, collected from vegetation, and from the rodents peromyscus gossypinus (cotton mouse), neotoma floridana (eastern wood rat), and sigmodon hispidus (cotton rat). all isolates were screened immunologically by i ... | 2000 | 10618074 |
| auditory cues support place navigation in rats when associated with a visual cue. | rats, like other crepuscular animals, have excellent auditory capacities and they discriminate well between different sounds [heffner he, heffner rs, hearing in two cricetid rodents: wood rats (neotoma floridana) and grasshopper mouse (onychomys leucogaster). j comp psychol 1985;99(3):275-88]. however, most experimental literature concerning spatial orientation almost exclusively emphasizes the use of visual landmarks [cressant a, muller ru, poucet b. failure of centrally placed objects to contr ... | 2000 | 11099774 |
| rodent ectoparasites from two locations in northwestern florida. | from feb.-apr. 1999, 19 species of ectoparasitic arthropods (2 sucking lice, 4 fleas, 4 ticks, 2 mesostigmatid mites, 5 chiggers, 2 fur mites) were recovered from 106 rodents belonging to 5 species (cotton mouse, peromyscus gossypinus, n = 64; cotton rat, sigmodon hispidus, n = 23; eastern woodrat, neotoma floridana, n = 9; golden mouse, ochrotomys nuttalli, n = 9; eastern gray squirrel, sciurus carolinensis, n = 1) at tall timbers research station, leon county, florida. during the same period, ... | 2000 | 11217221 |
| genetic heterogeneity of borrelia burgdorferi sensu lato in the southern united states based on restriction fragment length polymorphism and sequence analysis. | fifty-six strains of borrelia burgdorferi sensu lato, isolated from ticks and vertebrate animals in missouri, south carolina, georgia, florida, and texas, were identified and characterized by pcr-restriction fragment length polymorphism (rflp) analysis of rrf (5s)-rrl (23s) intergenic spacer amplicons. a total of 241 to 258 bp of intergenic spacers between tandemly duplicated rrf (5s) and rrl (23s) was amplified by pcr. msei and drai restriction fragment polymorphisms were used to analyze these ... | 2001 | 11427560 |
| host associations of ticks parasitizing rodents at borrelia burgdorferi enzootic sites in south carolina. | a total of 237 rodents was collected in 4 regions of south carolina from july 1994 through december 1995. eight species were collected, including cotton mouse, hispid cotton rat, eastern woodrat, marsh rice rat, white-footed mouse, eastern harvest mouse, golden mouse, and black rat. of the 1,514 ticks recovered from these hosts, ixodes minor neumann, including larvae, nymphs, and adults, was the most abundant species, representing 54% of the total. only immature stages of other tick species were ... | 2001 | 11780825 |
| prevalence of borrelia burgdorferi sensu lato infection among rodents and host-seeking ticks in south carolina. | tissues of rodents and host-seeking adult ticks collected in the piedmont, sandhills, coastal plain, and coastal zone of south carolina were cultured in attempts to isolate borrelia burgdorferi (johnson, schmid, hyde, steigerwalt & brenner), the etiologic agent of lyme disease. an exploratory, tree-based statistical analysis was used to identify ecological variables that were associated with spirochete infection among rodents and ticks. spirochetes were isolated from tissues of 71 rodents: 22 (6 ... | 2002 | 11931257 |
| an enzootic transmission cycle of lyme borreliosis spirochetes in the southeastern united states. | lyme borreliosis, or lyme disease (ld), is a tick-borne zoonotic infection of biomedical significance, caused by borrelia burgdorferi sensu lato (s.l.) spirochetes and transmitted by ixodes species ticks. it usually circulates among wildlife vertebrate reservoirs and vector ticks but may infect humans, causing multisystem problems. in far western and northern north america, the host reservoirs, tick vectors, and genospecies of borrelia are well known but not so in the southern u.s., where there ... | 2003 | 14500917 |
| short report: a disseminated infection of leishmania mexicana in an eastern woodrat, neotoma floridana, collected in texas. | an eastern woodrat (neotoma floridana) collected in january 2001 near bedias, grimes county, texas, had extensive lesions of both ears and swollen feet. impression smears and histologic sections demonstrated the presence of leishmania in both ears and the one foot that was screened. polymerase chain reaction screening using species-specific primers detected parasites in both ears and all four feet and indicated the parasites were l. mexicana. the detection of l. mexicana in n. floridana represen ... | 2003 | 14695082 |
| survey of raccoons on key largo, florida, usa, for baylisascaris procyonis. | numbers of the endangered key largo woodrat (klwr; neotoma floridana smalli) have been declining for at least 25 yr. the raccoon (procyon lotor) roundworm, baylisascaris procyonis, has been found to have an adverse effect on the survival of alleghany woodrats (n. magister). high densities of raccoons can exacerbate this problem by increasing the amount of feces containing viable eggs of b. procyonis available to woodrats. in 2002, 64 fecal samples were collected and examined for eggs of b. procy ... | 2005 | 15827232 |
| sex-biased litter reduction in food-restricted wood rats (neotoma floridana). | mothers of eastern wood rats (neotoma floridana) normally invest their lactation energy equally in male and female offspring, but alter that investment when their food is severely restricted during lactation. the effect of the altered investment is a significant bias against males in both mortality and growth. | 1981 | 17744935 |
| borrelia carolinensis sp. nov., a new (14th) member of the borrelia burgdorferi sensu lato complex from the southeastern region of the united states. | approximately 118 borrelia isolates were cultured from a variety of rodents, birds, and ticks collected in the southern united states. in addition to a highly diverse group of borrelia bissettii strains and a homogenous group of borrelia burgdorferi sensu stricto strains, a group of 16 isolates with unusual characteristics was found. the isolates were cultured from ear biopsy samples of the rodents peromyscus gossypinus and neotoma floridana trapped at five localities in south carolina. a multil ... | 2009 | 19020062 |
| borrelia carolinensis sp. nov., a novel species of the borrelia burgdorferi sensu lato complex isolated from rodents and a tick from the south-eastern usa. | a group of 16 isolates with genotypic characteristics different from those of known species of the borrelia burgdorferi sensu lato complex were cultured from ear biopsies of the rodents peromyscus gossypinus and neotoma floridana trapped at five localities in south carolina, usa, and from the tick ixodes minor feeding on n. floridana. multilocus sequence analysis of members of the novel species, involving the 16s rrna gene, the 5s-23s (rrf-rrl) intergenic spacer region and the flagellin, ospa an ... | 2011 | 20305062 |
| glomerulonephropathy in aged captive key largo woodrats (neotoma floridana smalli). | a retrospective review of mortality records of key largo woodrats (neotoma floridana smalli) in a captive breeding program revealed chronic renal disease in 5 of 6 woodrats older than 4 years of age. two of the 5 woodrats with chronic renal disease also had clinical evidence of diabetes mellitus. kidneys from all 5 woodrats were examined via light microscopy, histochemical staining, immunohistochemical staining, and transmission electron microscopy. the dietary histories of the affected animals ... | 2011 | 21490303 |
| a new species of orchopeas, jordan, 1933 from the midwestern united states (siphonaptera: ceratophyllidae). | a new species of ceratophyllid flea, orchopeas illinoiensis lewis, n. sp., is described from the eastern woodrat, neotoma floridana (ord, 1818) collected in southwestern illinois. its diagnostic characters are illustrated, and an earlier collection record from pulaski county, mo, is documented. | 1998 | 9701918 |
| trypanosoma kansasensis sp. n. from neotoma floridana in kansas. | trypanosoma kansasensis sp. n. (sarcomastigophora: kinetoplastida) is described from three of 23 (13%) eastern woodrats (neotoma floridana) collected from pottawatomie county, kansas (usa). all flagellates found in the blood of woodrats were trypomastigotes and are larger than t. neotomae in overall dimensions, especially flagellar length and the distance between the posterior end of the organism and kinetoplast. liver infusion-tryptose (lit) cultures of infected whole blood resulted in the tran ... | 1989 | 2668570 |
| resistance of the prairie vole (microtus ochrogaster) and the woodrat (neotoma floridana), in kansas, to venom of the osage copperhead (agkistrodon contortrix phaeogaster). | prairie vole (microtus ochrogaster) serum has no anti-lysing or antibody activity against osage copperhead (agkistrodon contortrix phaeogaster) venom. however, the serum has an anti-hemorrhagic component, which significantly reduces the size of hemorrhage produced by the minimal hemorrhagic dose of venom and which blocks the minimal hemorrhagic dose at a dilution of 1/8. woodrat (neotoma floridana) serum also has an antihemorrhagic component which blocks the minimal hemorrhagic dose at a dilutio ... | 1982 | 6753240 |
| multilocus characterization of a woodrat (genus neotoma) hybrid zone. | in order to investigate hybridization between 2 species of woodrats, neotoma floridana and neotoma micropus, 103 specimens were collected, in march of 1988, from a known area of sympatry, and compared with reference collections from areas of allopatry. ten genetic markers, consisting of 7 microsatellite loci, 1 mitochondrial gene (cytochrome-b [cytb]), and 2 nuclear introns (intron 2 of the vertebrate alcohol dehydrogenase gene [adh1-i2] and intron 7 of the beta-fibrinogen gene [fgb-i7]) were us ... | 2017 | 24737782 |
| the vocal repertoire of the key largo woodrat (neotoma floridana smalli). | the key largo woodrat (neotoma floridana smalli) is an endangered rodent endemic to the island of key largo, fl. there is little information on vocal communication in this species and descriptions of the acoustic structure of calls are lacking. a captive breeding program was established as part of the recovery plan for the species, providing the opportunity to investigate the vocal repertoire and acoustic structure of calls in both wild and captive contexts. audio and video recordings were condu ... | 2012 | 23145634 |
| development of husbandry practices for the captive breeding of key largo woodrats (neotoma floridana smalli). | the key largo woodrat is an endangered rodent endemic to the island of key largo in the florida keys. after several reports documented a steep decline in the population, the us fish and wildlife service developed a recovery plan, including captive breeding and reintroduction. captive breeding efforts were to be focused on providing animals for future reintroduction to protected areas on key largo. however, little was known about the husbandry needs or reproductive behavior of this elusive noctur ... | 2011 | 20853415 |
| pup development and maternal behavior in captive key largo woodrats (neotoma floridana smalli). | this study describes the first systematic observations of maternal behavior and pup development of captive key largo woodrats (neotoma floridana smalli) during the first 30 days of life. data were collected on six litters of pups born to four dams between december 2006 and july 2007. gestations for the six litters averaged 38 days and all dams exhibited adequate maternal care postpartum. key largo woodrat maternal and pup behavior was generally consistent with behavior observed in other woodrat ... | 2008 | 19360633 |
| behavioral predictors of copulation in captive key largo woodrats (neotoma floridana smalli). | the development of a captive breeding program for the endangered key largo woodrat (neotoma floridana smalli) presents special challenges due to aggressive behavior toward conspecifics, a low reproductive rate, and limited information on estrous cycles. in an effort to identify behavioral predictors of copulation, we observed 17 key largo woodrats prior to and during 267 male-female pairing events, 76 of which resulted in copulation. predictors of copulation include male-female interactions at t ... | 2009 | 18771717 |
| antimicrobial activity of dogwood fruits (cornus drummondii) from winter food caches of eastern woodrats (neotoma floridana). | post-harvest loss of resources to microbial competitors affects a number of species of animals, and many of them have evolved behaviors that reduce the likelihood of such loss. we previously described the inhibition ofbacillus psychrophilus by dogwood fruits (cornus drummondii), which can comprise a significant portion of the winter food cache of the eastern woodrat (neotoma floridana). the present study is a further investigation of the ability of dogwood fruits to inhibit growth ofb. psychroph ... | 1995 | 24234173 |
| a new species of eimeria (apicomplexa: eimeriidae) from eastern woodrat, neotoma floridana (rodentia: cricetidae), from arkansas, usa, and a summation of eimerians from north american woodrats. | north american woodrats or packrats (genus neotoma) are excellent hosts of coccidians and several species remain to be reported as hosts. eleven species of eimeria have been previously described from neotoma spp. however, it has been nearly 35 years, since the last eimerian (e. ladronensis reduker and duszynski, 1985) was described from any woodrat species. | 2020 | 31960217 |