Publications
| Title | Abstract | Year(sorted ascending) Filter | PMID Filter |
|---|
| development and ultrastructure of first-generation meronts of sarcocystis cruzi in calves fed sporocysts from coyote feces. | the development of sarcocystis cruzi hasselmann (syn. s. fusiformis railliet) meronts was studied in seven 7- to 10-day-old calves filled 4, 7, 11, 15, 22, 25 and 28 days postinoculation (dpi) with 5 x 10(7) sporocysts from feces of coyotes. no meronts were found 4 and 7 dpi. young and intermediate meronts with 1-16 nuclei were found in endothelial cells of arteries in mesenteric lymph nodes, but not in kidneys 11 dpi. mature meronts were noted in endothelial cells of arteries, arterioles, or ca ... | 1980 | 6783745 |
| environmental exposure to coxiella burnetii: a sero-epidemiologic survey among domestic animals. | the prevalence of agglutinating serum antibodies against coxiella burnetii, the cause of q fever in humans, was tested in a hospital population of companion animals and livestock in california during 1973--1975. a sample of stray dogs was also tested. among the hospitalized animals 346 (48%) of 724 dogs, 7 (9%) of 80 cats, 9 (32%) of 28 cattle and 31 (26%) of 121 horses had antibodies against c. burnetii. of 316 stray dogs 208 (66%) were seropositive. the overall prevalence of 53% among 1040 dog ... | 1980 | 7377186 |
| hammondia heydorni infection in sheep, goats, moose, dogs and coyotes. | the transmission of hammondia heydorni among sheep, goats, cattle, dogs and coyotes is described. oocysts of h. heydorni, obtained from dog faeces by feeding naturally infected goat meat, were fed to an experimental goat. after 312 days tissues from this animal were fed to 2 dogs. one dog, which received goat muscle, shed oocysts, whereas the other dog which received brain, spleen, kidneys, lungs and liver did not. oocysts from the dog fed goat muscle were fed to an experimental sheep. after 73 ... | 1980 | 7422358 |
| coyotes and canine heartworm in california. | adult dirofilaria immitis were found in the hearts of 43 of 115 coyotes (canis latrans) trapped within a 50 km radius of the el dorado county seat. of mature coyotes, 45% were positive, with worm numbers averaging 9.0 in females and 16.2 in males. d. immitis microfilariae occurred in the peripheral blood and in lung smears. microfilariae of dipetalonema reconditum were present in 14 of the coyotes examined (12%). several coyotes showed enlarged hearts with gross pathological changes. | 1980 | 7431518 |
| field application of the conditioned taste aversion paradigm to the control of coyote predation on sheep and turkeys. | 1980 | 7447856 | |
| effect of lithium chloride in coyote pup diet. | 1980 | 7469971 | |
| an ultrastructural study of first- and second-generation merogony in the coccidian sarcocystis tenella. | sporocysts of the coccidian sarcocystis tennella were originally isolated in the feces of a coyote. sporocysts used for inoculation of lambs were obtained from experimentally infected dogs. at 14, 16, and 19 days postinoculation (dpi) of lambs with the sporocysts, various developmental stages of first-generation meronts were found within cells located between the endothelium and internal elastic membrane of mesenteric arteries. at 19, 21, and 25 dpi, second-generation merogony occurred in cells ... | 1981 | 6798206 |
| early developmental stages of sarcocystis cruzi in calf fed sporocysts from coyote feces. | the development of sarcocystis cruzi was studied in an 11-day-old calf killed seven days postinoculation with 5 x 10(8) sporocysts from feces of coyotes. uninucleate zoites were found in arteries of mesenteric lymph nodes but not in other organs. zoites measured 4.9 x 3.0 (3.5-7.0 x 2.1-3.5) micrometers. of the 36 zoites studied, 31 were in endothelial cells, four were in macrophages in the lumen of arteries, and one was free in the lumen of an artery. infected endothelial cells were two to thre ... | 1981 | 6798207 |
| abortion and death in goats inoculated with sarcocystis sporocysts from coyote feces. | ten 75- to 105-day-pregnant does each were inoculated orally within 1 million (2 does), 10,000 (4 does), or 1,000 (4 does) sporocysts of sarcocystis from coyote feces. two does not inoculated with sporocysts served as controls. the 2 does inoculated with 1 million sporocysts died from acute sarcocystosis 21 and 22 days after inoculation (dai), and each had 2 dead fetuses. the 4 does inoculated with 10,000 sporocysts were ill 19 to 33 dai but survived; 1 aborted at 33 dai, 1 had a live kid that d ... | 1981 | 6782066 |
| attempted transmission of oslerus (oslerus) osleri (=filaroides osleri) from coyotes to domestic dogs and coyotes. | 1981 | 7241285 | |
| serologic evidence of leptospirosis in a southern arizona coyote population. | 1981 | 7253099 | |
| attempted experimental transfer of sarcoptic mange (sarcoptes scabiei, acarina: sarcoptidae) among red fox, coyote, wolf and dog. | 1981 | 7310942 | |
| olfactory discrimination of lithium chloride by the coyote (canis latrans). | 1981 | 6266393 | |
| battle renewed over coyote poison. | 1981 | 17775262 | |
| changes in serum progesterone and estrogen of the nonpregnant coyote during the breeding season. | 1981 | 7195028 | |
| adverse reactions to sulfaquinoxaline in coyote pups--. | 1982 | 7174488 | |
| radionuclide export and elimination by coyotes at two radioactive waste disposal areas in southeastern idaho. | coyote fecal samples were collected near a radioactive waste leaching pond and a solid radioactive waste disposal facility and analyzed for radioactivity. elevated concentrations of 137cs, 90sr and 238pu in the samples from the liquid radioactive waste leaching area were attributed to coyotes ingesting contaminated pond water and/or small mammals. elevated 241am concentrations in coyote fecal samples collected around the solid radioactive waste disposal facility were due to ingestion of contamin ... | 1982 | 7152910 |
| sarcocystis of deer in south dakota. | the prevalence of sarcocystis in white-tailed deer (odocoileus virginianus) and mule deer (o. hemionus) in south dakota was determined through microscopic examination of tongue samples. the percentage of sarcocystis infection for both species of deer was determined for prairies east of the missouri river, west of the missouri river, and black hills of western south dakota. sixteen percent (n = 62) of the white-tailed deer tongues from east river, 69% (n = 42) from west river, and 74% (n = 23) fr ... | 1982 | 6808161 |
| sarcoptes scabiei infestation of the coyote (canis latrans), illustrated by the scanning electron microscopy. | 1982 | 6808163 | |
| quantitative parasitemia in calves fed sarcocystis cruzi sporocysts from coyotes. | for the quantitation of parasitemia, seven 7- to 10-day-old calves were orally inoculated with 2 virulent isolates of sarcocystis cruzi from coyotes. three calves were each given 2.5 million sporocysts of the 1st isolate; these calves died 31, 35, and 33 days later. the other 4 calves were given 2, 1, 0.76, and 0.38 million sporocysts of the 2nd isolate; these calves died or were euthanatized at 34, 44, 43, and 55 days after inoculation. buffy coat smears from 7 ml of jugular blood of each calf ... | 1982 | 6808868 |
| infectivity of sarcocystis spp. from bison, elk, moose, and cattle for cattle via sporocysts from coyotes. | bison bison (bison), cervus canadensis (elk), alces alces (moose), and bos taurus (cattle) musculature containing sarcocystis spp. cysts was fed to laboratory raised canis latrans (coyotes), sporocysts collected from the feces of coyotes fed musculature of each of the ruminant species were fed to four groups of three laboratory-raised domestic calves, respectively, to determine if sarcocystis spp. was transmissible from wild to domestic ruminants and if so, to compare clinical signs of infection ... | 1982 | 6811717 |
| sarcocystosis in neonatal bison fed sarcocystis cruzi sporocysts derived from cattle. | a 6-day-old female (bison bison) was inoculated with 10 million sporocysts of the b1 isolate of sarcocystis cruzi originally obtained by feeding heart of a naturally infected cow (bos taurus) to a laboratory-raised coyote. the bison became febrile, lethargic, and anorectic at about 25 days after inoculation of the sporocysts, and was euthanatized 3 days later. there were widespread hemorrhages, hepatitis, myocarditis, nephritis, and enteritis; intravascular meronts were found in the adrenal cort ... | 1982 | 6816777 |
| development of ox-coyote cycle of sarcocystis cruzi. | 1982 | 6816926 | |
| sarcocystosis in newborn calves fed sarcocystis cruzi sporocysts from coyotes. | the development of sarcocystis cruzi was compared in 3- to 14-day-old calves (n = 38) inoculated with 55,000 to 500,000,000 sporocysts from intestinal scrapings of coyotes, and euthanatized and necropsied on postinoculation days (pid) 4 to 153. from pid 15 to 19, the calves remained clinically normal, except for fever (greater than or equal to 40 c), during the development of 1st-generation meronts, and lesions in calves euthanatized at this time were confined mainly to mesenteric lymph nodes an ... | 1982 | 6819793 |
| experimental salmon poisoning disease in juvenile coyotes (canis latrans). | salmon poisoning disease (spd) was experimentally induced in juvenile coyotes (canis latrans). the disease was lethal in 11 of 12 coyotes within 15 days after inoculation with 1,000 or 4,000 metacercariae of nanophyetus salmincola. clinical manifestations of the disease included lymph node enlargement, anorexia, pyrexia, diarrhea and death. coccoid bodies indistinguishable from rickettsiae were observed in macrophages of spleen, liver, lymph nodes, and duodenum. percentage recovery of adult trem ... | 1982 | 7097880 |
| prevalence of heartworm (dirofilaria immitis leidy) in coyotes from five northern california counties. | prevalence rates of heartworm in coyotes was estimated for five northern california counties by examining hearts of coyotes obtained from federal or private trappers. prevalence rates range from 8.3-27.3%, but the proportion of infected coyotes can vary between two regions of the same county. in general, it seems that higher infection rates are found in the foothill regions of the coastal range and sierra nevada, decreasing towards the floor of the sacramento valley as well as at higher elevatio ... | 1982 | 7125062 |
| heartworms (dirofilaria immitis) in coyotes (canis latrans) in new england. | 1982 | 7131657 | |
| pancreatic adenocarcinoma in a coyote-dog cross. | 1982 | 7154225 | |
| induced toxoplasma gondii, toxocara canis, and isospora canis infections in coyotes. | six littermate laboratory-raised coyotes (no. 1-6) were used to study the transmission of toxoplasma gondii from cats and mice, and toxocara canis and isospora canis from dogs and mice. coyotes 1 and 2 were inoculated orally with 1,000 infective oocysts of the tc-1 strain of t gondii; coyotes 3 and 4 were fed mice infected with tissue cysts of the tc-1 strain of t gondii. eight days after inoculation with t gondii, the same 4 coyotes were exposed to toxocara canis: coyotes 1 and 2 were inoculate ... | 1982 | 7174440 |
| response of mink, skunk, red fox and raccoon to inoculation with mink virus enteritis, feline panleukopenia and canine parvovirus and prevalence of antibody to parvovirus in wild carnivores in ontario. | mink virus enteritis, feline panleukopenia and canine parvovirus-2 were inoculated separately into groups of raccoon, mink, red fox and striped skunk. raccoons were highly susceptible to mink virus enteritis and feline panleukopenia, with animals developing clinical illness, and several dying within six to ten days of inoculation with lesions typical of parvovirus infection. both viruses were shed in high titre in the feces of infected raccoons, and high antibody titres were stimulated. raccoons ... | 1983 | 6309349 |
| trichodectes canis on the gray wolf and coyote on kenai peninsula, alaska. | 1983 | 6644943 | |
| maximal oxygen consumption and pulmonary diffusing capacity: a direct comparison of physiologic and morphometric measurements in canids. | the purpose of this study was to check the validity of the morphometric model for estimating physiological conductances for gases, dl. we make a direct comparison between the lung's conductance for carbon monoxide, measured physiologically using the single breath method, dlco (sb), and that measured morphometrically using the previously published model, dlco(mm). we also make a direct comparison between the maximum rate of oxygen uptake by the lung during exercise, vo2max, and the lung's conduct ... | 1983 | 6665333 |
| development of sarcocystis alceslatrans dubey, 1980, in the small intestine of dogs. | laboratory-reared dogs were fed moose musculature infected with sarcocystis alceslatrans. these dogs shed sporocysts [15.6 x 11.4 microns (14.4 to 15.8 x 10.8 to 11.5)] 11 to 15 days after inoculation. the prepatent period was 10 to 14 days. two cats and 1 coyote that also ate infected moose musculature did not pass sporocysts. histologic examination of intestinal tissue from experimentally infected dogs revealed microgamonts, macrogametes, and oocysts. all stages were present in the lamina prop ... | 1983 | 6416114 |
| experimental infections of sarcocystis cruzi, sarcocystis tenella, sarcocystis capracanis and toxoplasma gondii in red foxes (vulpes vulpes). | four littermate 6-wk-old red foxes (nos. 1-4) were fed toxoplasma gondii, sarcocystis cruzi, s. tenella and s. capracanis. one littermate fox (no. 5) served as the control. two foxes (nos. 1, 2) were fed tissue cysts of t. gondii and two foxes (nos. 3, 4) were fed oocysts of t. gondii. twenty-one to 42 days later, the same five foxes were used to test the infectivity of meat of goat, sheep, and ox experimentally inoculated with sarcocystis. fox 2 was fed goat meat and shed s. capracanis-like spo ... | 1983 | 6417347 |
| the epizootiology and pathology of sarcoptic mange in coyotes, canis latrans, from south texas. | an epizootic of sarcoptic mange in coyotes from south texas, canis latrans , was studied over a 7-yr period, 1975 through 1981. from a four-county area centered in webb county, texas the epizootic radiated centrifugally to include a 27-county area. the disease progressed from initial, scabby encrustations on the ischium and fore and hind legs to severe, thickened, slate-gray hyperkeratotic lesions with almost complete alopecia. there were significant decreases in alpha-globulin and albumin, sign ... | 1983 | 6425486 |
| effects of novelty and familiarity on illness-induced aversions to food and place cues in coyotes (canis latrans). | two experiments investigated the effects of novelty and familiarity on illness-induced aversions to taste and place cues in coyotes (canis latrans). coyotes were made ill on familiar food laced with lithium chloride in a novel place and then received preference tests. in experiment 1, coyotes avoided the previously poisoned familiar food in the novel treatment place but readily ate the same familiar food in a familiar safe place. in experiment 2, the results of experiment 1 were replicated, and ... | 1983 | 6317280 |
| the microanatomy of the coyote's (canis latrans) respiratory system. | 1983 | 6230027 | |
| responses of free-ranging coyotes to lures and their modifications. | several chemical modifications of a synthetic fermented egg (sfe) lure were field tested on free-ranging coyotes (canis latrans) to determine the effects of odor intensity and quality on their behavioral responses. sfe was modified for testing by (1) enhancing one of the four basic odor components (fruity, sulfurous, sweaty, or fishy), (2) deleting one of the basic components, (3) individually testing an odor component, and (4) addition of aldehydes and indoles to sfe. most behavioral responses, ... | 1983 | 24407760 |
| polycystic kidneys in a western coyote. | 1983 | 6643244 | |
| electroejaculation of the coyote. | two electroejaculators were used to collect semen from 40 adult male coyotes. the most effective apparatus used a two-ring rectal probe and an ac voltage of 18 (vrms) at 1000 hz. with this ejaculator, 11 of 15 coyotes produced a satisfactory semen sample, which averaged 0.9 ml in volume and 70 million spermatozoa per ml. | 1983 | 16725831 |
| helminths of the coyote (canis iatrans say) in montana. | 1983 | 6842734 | |
| renal vascular hamartomas in a captive coyote. | 1984 | 6511595 | |
| antifertility effect of busulfan and dl-6-(n-2-pipecolinomethyl)-5-hydroxy-indane maleate (pmhi) in coyotes (canis latrans ). | antifertility effects of busulfan were evaluated using adult coyotes. in addition, antifertility effects of pmhi were evaluated in adult males. adult males and females were alloted randomly to the following treatments: (1) untreated control, (2) a single oral dose of 3 mg busulfan/kg of body weight (bw) or (3) two oral doses of 3 mg busulfan/kg bw given nine days apart. the untreated males were used as controls in both experiments. additional male coyotes were allotted randomly to pmhi treatment ... | 1984 | 16725985 |
| antibodies to trypanosoma cruzi in coyotes in texas. | 1984 | 6429309 | |
| population dynamics across selected habitat variables of the helminth community in coyotes, canis latrans, from south texas. | the effects of selected intrinsic variables operating on host subpopulations and of extrinsic variables across the collective host population on the distributions of 10 common helminth species from coyotes in south texas were compared. the intrinsic variables of host sex and presence and severity of sarcoptic mange had little effect on the distributions of most helminth species. the combined influences of (1) seasonal changes across the collective host population and (2) host subpopulations deli ... | 1984 | 6512639 |
| seroprevalence of canine parvovirus in wild coyotes from texas, utah, and idaho (1972 to 1983). | the prevalence of serum antibodies against canine parvovirus-2 (cpv-2), as measured by a standard hemagglutination-inhibition test, was determined in serum samples collected from 1,184 coyotes (canis latrans) in texas, utah, and idaho from 1972 to 1983. no evidence of parvoviral infection was found before 1979, after which seroprevalence rapidly increased to greater than 70% at all sites by 1982. there were minor differences in prevalence between age groups and among sites, but no consistent dif ... | 1984 | 6096323 |
| natural infection of captive coyote pups with a herpesvirus antigenically related to canine herpesvirus. | herpesviruses were isolated from captive coyote pups with ocular discharge and hepatomegaly. the viruses were shown to be antigenically related to canine herpesvirus on the basis of specific virus neutralization with canine herpesvirus antiserum. the epizootiology of the outbreak suggested that the herpesvirus was acquired by indirect contact with guard dogs being cared for by the same animal technicians who cared for the coyotes. | 1984 | 6096324 |
| serologic response of captive coyotes (canis latrans say) to canine parvovirus and accompanying profiles of canine coronavirus titers. | fifty-five of 66 (83%) coyote pups from bitches vaccinated against canine parvovirus (cpv) were seropositive for cpv antibodies at birth. the cpv antibody titer in the pups declined with a half-life of 6.7 days until by the 8th week, only two of 41 (5%) pups were seropositive for cpv antibodies. at 8 wk, 41 of the pups were vaccinated against cpv (killed feline origin vaccine), but only one of 37 (3%) was positive for cpv antibodies at 11 wk. the 8-wk-old pups were either too young to respond to ... | 1984 | 6325726 |
| experimental babesiosis in coyotes and coydogs. | one splenectomized and 6 intact coyotes (canis latrans), and 2 coydogs were experimentally inoculated with a recent isolate of babesia gibsoni. the disease was mild in intact animals, was fatal in the splenectomized coyote, and was characterized by a regenerative hemolytic anemia with the pcv decreasing to 16% in intact animals and to 6% in the splenectomized coyote. peak parasitemia ranged from 3% to 21% of erythrocytes infected and was inversely correlated to pcv. serum lactate dehydrogenase, ... | 1985 | 3970435 |
| prevalence of oslerus osleri (cobbold, 1879) in coyotes (canis latrans say) from connecticut. | 1985 | 3981749 | |
| prevention of coccidiosis in domestic dogs and captive coyotes (canis latrans) with sulfadimethoxine-ormetoprim combination. | sulfadimethoxine-ormetoprim combination was evaluated as a coccidiostat against experimentally induced coccidiosis in young dogs and coyotes (canis latrans). the animals were experimentally inoculated with 50,000 or 100,000 sporulated oocysts of isospora ohiohensis (98%) and isospora canis (2%). in experiment 1, daily treatment for 13 to 23 days with a combination of 27.5 mg of sulfadimethoxine/kg of body weight (bw) and 5.5 mg of ormetoprim/kg of bw admixed to the feed resulted in no significan ... | 1985 | 4051296 |
| canine heartworm in the domestic and wild canids of southeastern nebraska. | the prevalence of canine heartworm (dirofilaria immitis) was examined in the domestic dog, coyote (canis latrans), and red fox (vulpes fulva) populations of southeastern nebraska. microfilariae were detected in 21.4% (22 of 103) of the domestic dogs. the average age of infection for dogs was 5.8 yr. nine of the 22 infected dogs also were positive for dipetalonema reconditum. thirty-nine of 443 (8.9%) coyotes were found to have adult heartworms. the average number of male and female worms per hea ... | 1985 | 4093815 |
| isolation and identification of caliciviruses from dogs with enteric infections. | caliciviruses were isolated from 7 dogs and 1 captured coyote with enteritis. there was a high fatality rate in dogs 4 to 16 weeks of age. the occurrence in these dogs of concurrent infection with known enteric pathogens such as salmonella sp, canine parvovirus, canine coronavirus, and canine rotavirus did not allow making any conclusions regarding the pathogenicity of this newly recognized calicivirus. the caliciviruses were characterized by electron microscopy and were further identified as be ... | 1985 | 2982299 |
| serologic survey of canine coronavirus in wild coyotes in the western united states, 1972-1982. | 1985 | 3001373 | |
| antifertility effect of busulfan and procarbazine in male and female coyotes. | antifertility effects of two cytostatic agents, busulfan and procarbazine, were evaluated using 43 captive breeding pairs of adult coyotes. nineteen pairs served as untreated controls. only the male or female of remaining pairs was treated. females received either 8 mg busulfan/kg or 6 mg procarbazine/kg just prior to onset of the breeding season. males were treated once with either 8 mg busulfan/kg just before onset of breeding or with 4 mg busulfan/kg or 6 mg procarbazine/kg about 1 mo before ... | 1985 | 4074811 |
| brief comments on "coyote control and taste aversion". | 1985 | 3000295 | |
| research on forms of conditioned avoidance in coyotes. | 1985 | 3000294 | |
| coyote control and taste aversion. | studies in which conditioned taste aversion was used as a non-lethal method to suppress coyote predation are reviewed in light of the controversy that surrounds such research. it is concluded that the negative results obtained to date may have been due to theoretical and methodological problems in the studies. uncritical acceptance of those results has slowed progress on an effective and inexpensive method of coyote management. | 1985 | 3000293 |
| use of predator odors as repellents to reduce feeding damage by herbivores : ii. black-tailed deer (odocoileus hemionus columbianus). | the effectiveness of predator odors (fecal and urine) in suppressing feeding damage by black-tailed deer was investigated in pen bioassays at the university of british columbia research forest, maple ridge, british columbia, canada. a total of eight bioassay trials tested the effects of these odors on deer consumption of salal leaves and coniferous seedlings. cougar, coyote,and wolf feces as well as coyote, wolf, fox, wolverine, lynx, and bobcat urines provided the most effective suppression of ... | 1985 | 24310276 |
| use of predator odors as repellents to reduce feeding damage by herbivores : i. snowshoe hares (lepus americanus). | the effectiveness of predator odors (fecal, urine, and anal scent gland) in suppressing feeding damage by snowshoe hares was investigated in pen bioassays at the university of british columbia research forest, maple ridge, british columbia, canada. a total of 28 bioassay trials tested the effects of these odors on hare consumption of willow browse and coniferous seedlings. lynx and bobcat feces, weasel anal gland secretion, and lynx, bobcat, wolf, coyote, fox, and wolverine urines resulted in th ... | 1985 | 24310275 |
| possible pheromonal regulation of reproduction in wild carnivores. | recent observations of social behavior and reproduction in wolves, coyotes, hunting dogs, mongooses, and lions suggest possible involvement of pheromones in the regulation of reproductive activity. observed phenomena resemble the known pheromonal effects in mice such as suppression or synchronization of estrus, induction of maternal behavior, and interruption of pregnancy. further studies are necessary to verify the supposed biological effects of carnivore pheromones and to determine their chemi ... | 1985 | 24309850 |
| coyote branding injury: a case report. | 1986 | 3810501 | |
| immobilization of coyotes with xylazine hydrochloride-ketamine hydrochloride and antagonism by yohimbine hydrochloride. | 1986 | 3503155 | |
| arbovirus infections in several ontario mammals, 1975-1980. | serological studies for arboviruses were conducted on 725 animal sera collected in 22 ontario townships between 1975 and 1980 including 44 coyote (canis latrans), 277 red fox (vulpes vulpes), 192 raccoon (procyon lotor) and 212 striped skunk (mephitis mephitis). hemagglutination inhibition antibodies to two flaviviruses, namely st. louis encephalitis and powassan were found in 50% of coyote, 47% of skunk, 26% of fox and 10% of raccoon sera. similarly, hemagglutination inhibition antibodies to a ... | 1986 | 3017527 |
| experimentally induced histoplasma capsulatum infection in coyotes and a dog. | captive coyotes (canis latrans) were inoculated intragastrically (1 coyote), and intratracheally (6 coyotes) with histoplasma capsulatum to simulate natural routes of exposure. in addition, the infectious organism was inoculated iv into another coyote and into a dog (c familiaris) to simulate hematogenous dissemination of h capsulatum. isolation of the pathogen from various tissue specimens, using direct plating and mouse inoculation methods, provided mycologic evidence of infection. the presenc ... | 1986 | 3505936 |
| canine distemper virus in coyotes: a serologic survey. | serum samples from 228 coyotes were selected randomly from a serum bank assembled from texas from 1975 to 1984 and were evaluated serologically for neutralizing antibodies against canine distemper virus (cdv). one hundred and twenty-eight (56%) of the 228 coyotes had antibody titers of greater than or equal to 1:5 against cdv (seropositive). the serologic prevalence (seroprevalence) of antibodies against cdv infection was higher in the spring (62%) than in the fall (40%). the seroprevalence of c ... | 1986 | 3505937 |
| ineffectiveness of clorsulon against nanophyetus salmincola in coyotes. | efficacy of clorsulon against the trematode nanophyetus salmincola was evaluated in coyotes. ten 16-week-old coyote pups were fed fish that contained metacercariae of n. salmincola. twenty-one days later, 5 of the coyotes were given a suspension of clorsulon (approx 16 mg/kg of body weight, orally). within 30 days after treatment, the numbers of fluke eggs in fecal specimens from the 5 treated coyotes had not decreased, and numbers of fluke eggs and flukes recovered from treated coyotes at necro ... | 1986 | 3505938 |
| helminth parasites of the coyote (canis latrans) in tennessee. | from 1980 to 1984, 267 coyotes (canis latrans) from tennessee were examined for helminth parasites. hearts were examined for the presence of dirofilaria immitis, diaphragms for trichinella spiralis, and digestive tracts for other helminths. six species were found including 5 nematodes (d. immitis, physaloptera rara, trichuris vulpis, ancylostoma caninum, and toxascaris leonina) and 1 cestode (taenia pisiformis). univariate and multivariate statistical techniques were used to assess parasite prev ... | 1987 | 3585628 |
| salmon poisoning disease in juvenile coyotes: clinical evaluation and infectivity of metacercariae and rickettsiae. | clinical salmon poisoning disease (spd), and survival of neorickettsia helminthoeca and metacercariae of nanophyetus salmincola in fish were evaluated experimentally in 12-wk-old coyotes (canis latrans) to determine the potential of spd for biological control of coyotes. coyotes readily ate fish that contained metacercariae and rickettsiae. they developed diarrhea, anorexia and lethargy within 7 days after feeding. infected coyotes lost 58% of their body weight when compared to uninfected contro ... | 1987 | 3625898 |
| growth stage dependent expression of mhc antigens on the canine transmissible venereal sarcoma. | canine transmissible venereal sarcoma (ctvs) is a naturally occurring contagious neoplasm which can be transplanted with intact viable cells across major histocompatibility (mhc) barriers within the species and even to other members of the canine family, such as foxes, coyotes, and wolves. after 2 to 4 months of progressive growth the tumour regresses spontaneously in adults but metastasizes in immunosuppressed hosts and neonates. the mechanisms of how the tumour cells manage to overcome histoco ... | 1987 | 2949770 |
| hematologic values of the endangered san joaquin kit fox, vulpes macrotis mutica. | between 1981 and 1982 blood samples were collected from 64 adult san joaquin kit foxes, vulpes macrotis mutica, in western kern county, california. the goal of the study was to establish normal blood values for this endangered species, and to determine whether changes in them could be used to assess the possible effects of petroleum developments on these foxes. none of the values differed significantly between the sexes, or between foxes sampled in developed habitats compared with foxes sampled ... | 1987 | 3820416 |
| the global spread and replacement of canine parvovirus strains. | canine parvovirus type 2 (cpv-2) became widespread during 1978 and was reported in many countries during 1978 and 1979. earlier studies showed that cpv-2 was replaced in the u.s.a. around 1980 by an antigenically and genetically variant virus (cpv-2a). here we show that cpv-2 was present in the u.s.a., japan, belgium and australia prior to 1980, but that between 1979 and 1982 cpv-2 was replaced by cpv-2a in all of those countries as well as in france and denmark. examination of sera collected be ... | 1988 | 2836554 |
| interspecific transmission of brucella abortus from experimentally infected coyotes (canis latrans) to parturient cattle. | in four separate trials, 10 coyotes (canis latrans) which had been individually fed mascerated bovine placental tissue experimentally inoculated with brucella abortus strain 2308 were placed in a 1 ha isolation area with six parturient, non-b. abortus vaccinated, brucella spp. seronegative hereford heifers. during the second trial, three of the heifers became brucella spp. seroreactive (as determined by the card, standard agglutination tube, rivanol, complement fixation, and enzyme labeled immun ... | 1988 | 3137371 |
| fragile sites, telomeric dna sequences, b chromosomes, and dna content in raccoon dogs, nyctereutes procyonoides, with comparative notes on foxes, coyote, wolf, and raccoon. | earlier studies of the genus nyctereutes disclosed two subspecies of differing chromosome numbers accompanied by b chromosomes. to further define the relationship of these subspecies to each other, and to other carnivores, and to learn more about the structure and function of their chromosomes, we characterized and compared the genomes in terms of dna content by flow cytometry, fragile sites induced by aphidicolin, and telomere sequences using biotinylated dna probes detected with fluorescence. ... | 1988 | 3150325 |
| sylvatic trichinosis in canada. | pepsin digestion of musculature from 2253 animals revealed that sylvatic trichinosis occurred in various species of mammals from the eastern to the western arctic and extended down into the rocky mountain and foothills regions of western canada. infections were demonstrated in arctic fox, red fox, wolf, raccoon, coyote, lynx, bobcat and dog. | 1988 | 3196978 |
| immunobiology of a spontaneously regressive tumor, the canine transmissible venereal sarcoma (review). | canine transmissible venereal sarcoma (ctvs) is a contagious neoplasm of dogs that can be transplanted with intact viable cells across major histocompatibility (mhc) barriers among dogs and even other canine such as foxes, coyotes, and jackals. after two to four months of progressive growth, the tumor regresses in adults, but metastasizes in immunosuppressed dogs and neonatally inoculated pups. the mechanisms of how the tumor cells manage to overcome histocompatibility barriers so successfully f ... | 1988 | 3282476 |
| evaluation of praziquantel against induced nanophyetus salmincola infections in coyotes and dogs. | efficacy of praziquantel against nanophyetus salmincola, the trematode vector of salmon poisoning disease, was determined in coyotes (n = 29) and dogs (n = 25). the 10- to 14-week-old animals were fed fish or fish kidneys that contained metacercariae of n salmincola. to prevent salmon poisoning disease, all animals were treated with tetracycline on days 8 and 9 after they were fed fish. ten days after ingestion of infected fish, 19 coyotes and 12 dogs were treated once with praziquantel, adminis ... | 1988 | 3377318 |
| canine distemper in black-footed ferrets (mustela nigripes) from wyoming. | in september and october 1985, six black-footed ferrets (mustela nigripes) were captured from the only known population, located near meeteetse, wyoming for captive propagation. two days following capture an adult male showed signs of canine distemper and an adult female displayed similar signs 7 days postcapture; these infections were undoubtedly acquired prior to capture. subsequently the four remaining captive black-footed ferrets also developed canine distemper and all eventually died. clini ... | 1988 | 3411697 |
| preliminary evaluation of praziquantel against metacercariae of nanophyetus salmincola in chinook salmon (oncorhynchus tshawytscha). | praziquantel at dosages of 10, 20 or 100 mg/kg of body weight was evaluated against metacercariae of nanophyetus salmincola in chinook salmon (oncorhynchus tshawytscha). ten salmon were used in each of four treated groups and 10 salmon were nontreated controls. three wk after treatment, viability of metacercariae was determined by histologic evaluation, and by feeding the salmon to coyotes and subsequently determining the numbers of trematode eggs/g of feces and numbers of n. salmincola recovere ... | 1988 | 3411713 |
| transmission of ancylostoma caninum and alaria marcianae in coyotes (canis latrans). | one of seven female coyotes (canis latrans) captured in webb county, texas during september 1986 and confined and mated in holding facilities at millville, utah whelped the following spring. the maternal female (greater than 5-yr-old) and her five neonates were killed at 22 days postparturition. all were infected with adult ancylostoma caninum and were passing eggs in their feces. also, the neonates and maternal female were infected with immature and adult alaria marcianae, respectively. these f ... | 1988 | 3411716 |
| hepatozoon sp. in wild carnivores in texas. | twelve coyotes (canis latrans), three bobcats (lynx rufus) and six ocelots (felis pardalis) from the gulf coast of texas were infected with hepatozoon sp. the geographic distribution of infected wild animals coincides with the highest prevalence of hepatozoon canis infection in domestic dogs for which the wild species may act as a reservoir. | 1988 | 3411720 |
| coyote estrous urine volatiles. | samples of female coyote urine were taken once or twice each week during the winter and spring for two years. headspace analysis was employed with tenax gc trapping and gc-ms. tenax trapping was started in less than 1 hr after sampling, and mild conditions were used to minimize losses of highly volatile and labile compounds. thirty-four compounds were identified. they include sulfur compounds, aldehydes and ketones, hydrocarbons, and one alcohol. the principal constituent is methyl 3-methylbut-3 ... | 1988 | 24276012 |
| ixodid ticks on the coyote and gray fox at land between the lakes, kentucky-tennessee, and implications for tick dispersal. | 1988 | 3357174 | |
| sarcocystis sp. in mountain goats (oreamnos americanus) in washington: prevalence and search for the definitive host. | during october and november 1986, sarcocystis sp. was detected in 24 of 56 (43%) tongues from hunter-killed mountain goats (oreamnos americanus) in washington (usa). sarcocysts had an unusual sessile polyp-shaped branched wall. mean size of 154 sarcocysts was 71.3 x 37.8 microns (range, 20 to 248 x 10 to 120 microns), and the mean intensity was 2.3 (range, 1 to 28). in an attempt to identify the definitive host, infected tongues were fed to four coyotes (canis latrans), eight domestic dogs, four ... | 1989 | 2509738 |
| molecular characterization of sylvatic isolates of trichinella spiralis. | genetic relationships of 20 trichinella isolates from indiana wildlife were assessed and compared to trichinella isolated from an infected swine herd. trichinella larvae were isolated from coyotes, mink, raccoons, and red foxes. the larvae were maintained and amplified in white mice (icr) and wild mice (peromyscus leucopus). differences in phenotypic characters of sylvatic isolates in the 2 laboratory hosts included an approximately 10-30-fold increase in parasite fecundity in wild mice. dna for ... | 1989 | 2542508 |
| antibodies to borrelia sp. in wild foxes and coyotes from wisconsin and minnesota. | serum samples from 93 red foxes (vulpes vulpes) and nine gray foxes (urocyon cinereoargenteus) trapped in wisconsin and 23 coyotes (canis latrans) trapped in wisconsin and minnesota were tested for antibodies to borrelia sp. with an indirect fluorescent antibody test which used borrelia burgdorferi as the whole-cell antigen. seven red foxes (8%) and two coyotes (9%) had antibody titers greater than or equal to 1:64. all the positive samples were from areas known to be endemic for human lyme dise ... | 1989 | 2644451 |
| borrelia sp. infection in coyotes, black-tailed jack rabbits and desert cottontails in southern texas. | coyotes (canis latrans) from southern texas were sampled for antibodies to borrelia burgdorferi from 1980 to 1986; black-tailed jack rabbits (lepus californicus) and desert cottontails (sylvilagus audubonii) were sampled in 1986. coyote fetuses, adult coyote kidneys, and black-tailed jack rabbit and desert cottontail kidneys were cultured for b. burgdorferi in 1986. results of indirect immunofluorescent antibody (ifa) tests for b. burgdorferi in coyotes were as follows (number positive at a dilu ... | 1989 | 2644452 |
| canid scavenging/disarticulation sequence of human remains in the pacific northwest. | greater understanding of animal scavenging of human remains can assist forensic science investigators in locating and recovering dispersed skeletal elements, in recognizing damage produced by scavengers, and in making more informed estimates of the postmortem interval. the pattern of skeletal damage can indicate whether the body was scavenged while intact or at some time after other natural processes of disarticulation had begun. this study analyzed thirty partially to fully skeletonized human r ... | 1989 | 2738562 |
| mortality of harbor seal pups at different sites in the inland waters of washington. | we examined the mortality rates and causes of death of harbor seal (phoca vitulina) pups in three regions of the inland waters of washington (usa) in 1984. one hundred eight pups were collected during 239 searches of the shoreline areas near harbor seal haulout sites or through public reports. minimum neonatal (up to 1 mo after birth) mortality rates at these regions ranged from 12% to 26% of the pups born. neonatal mortality was highest in the strait of juan de fuca; 33 of the estimated 105 (31 ... | 1989 | 2761005 |
| investigation of zoonotically acquired campylobacter jejuni enteritis with serotyping and restriction endonuclease dna analysis. | five strains of campylobacter jejuni were isolated from asymptomatic coyotes being maintained in a vivarium. according to the results of serotyping with thermostable antigens and of bacterial chromosomal restriction endonuclease analysis, one of the c. jejuni strains isolated from the coyotes was responsible for enteritis in a laboratory animal technician providing husbandry for the laboratory-maintained coyotes. | 1989 | 2808666 |
| responses by canids to scent gland secretions of the western diamondback rattlesnake (crotalus atrox). | many snakes discharge malodorous fluids from paired scent glands in the base of the tail when they are disturbed. a number of authors suggest that these secretions repel predators. scent gland secretions of the western diamondback rattlesnake (crotalus atrox), or dichloromethane extracts of them, were presented to coyotes (canis latrans) in three field tests, and to domestic dogs (canis familiaris) in two kennel tests, to determine whether responses of possible benefit to snakes are elicited. fr ... | 1989 | 24272101 |
| effects of predator fecal odors on feed selection by sheep and cattle. | the effectiveness of predator fecal odors in modifying feeding selection by sheep and cattle was investigated in two trials. in trial 1, animals could select from feed bins contaminated with coyote, fox, cougar, or bear fecal odor, and oil of wintergreen, or select the control feed. all odors were rejected (p<0.01) by sheep and cattle, except bear odors by sheep. in trial 2, animals could select feed during 10-min periods in an open 11-m × 16-m arena. fecal odor did not influence approaches to f ... | 1990 | 24263512 |
| vaccinia recombinant virus expressing the rabies virus glycoprotein: safety and efficacy trials in canadian wildlife. | twenty-six meadow voles (microtus pennsylvanicus), ten woodchucks (marmota monax), thirteen grey squirrels (sciurus carolinensis), thirteen ring-billed gulls (larus delawarensis), six red-tailed hawks (buteo jamaicensis) and eight great horned owls (bubo virginianus) received vaccinia virus recombinant expressing the rabies virus glycoprotein (v-rg) by direct instillation into the oral cavity. each of ten coyotes (canis latrans) received the virus in two vaccine-laden baits. several voles and mo ... | 1990 | 2249183 |
| the influence of social and endocrine factors on urine-marking by captive wolves (canis lupus). | although serum hormones varied seasonally in all adult animals, only dominant male and female wolves urine-marked. serum testosterone and urine-marking rates, which increased during the fall/winter breeding season, were positively correlated in both male and female dominant wolves. estradiol, which increased in conjunction with proestrus and estrus, was not correlated with female urine-marking. these findings suggest that hormonal influence on urine-marking in the wolf is modulated by social fac ... | 1990 | 2286365 |
| prevalence of antibodies against canine parvovirus and canine distemper virus in wild coyotes in southeastern colorado. | serum from 72 wild coyotes (canis latrans) in southeastern colorado (usa) was collected and analyzed for prevalence of antibody to canine parvovirus (cpv) and canine distemper virus (cdv) from 1985 to 1988. the prevalence of antibodies to cpv and cdv was 71% and 57%, respectively, for the 4 yr of the study. prevalence of antibody to cpv did not differ among years, between sexes, or with age. prevalence of antibody to cdv did not differ among years or between sexes, but was significantly higher i ... | 1991 | 1648628 |
| an oral papillomavirus that infected one coyote and three dogs. | 1991 | 1850182 | |
| comparison of results from five serologic methods used for detecting brucella abortus antibody activity in coyote sera. | a total of 423 serum samples representing 94 coyotes which were wild trapped in east texas were used to compare the serologic results from five different methods for detecting antibodies to brucella abortus. the sera were tested for brucella spp. antibody activity by the card (card), rivanol precipitation (riv), standard agglutination tube (sat), cold complement fixation test (cf), and enzyme linked immunosorbent assay (elisa) methods. each serum sample selected for this comparison demonstrated ... | 1991 | 1949585 |
| dirofilaria immitis in coyotes and foxes in missouri. | wild canid carcasses were obtained during the 1986-1987 and 1987-1988 trapping seasons in missouri. hearts and lungs from 293 coyotes (canis latrans), 85 red foxes (vulpes vulpes) and 70 gray foxes (urocyon cinereoargenteus) were examined for dirofilaria immitis. age of hosts was determined by radiographic and histologic techniques. nineteen coyotes (7%) had from 1 to 100 d. immitis and five red foxes (6%) had from 1 to 7 d. immitis, whereas gray foxes had none. this study indicates that heartwo ... | 1991 | 2023319 |
| carnivora: the primary structure of the hemoglobin from the silver fox (vulpes vulpes var., canidae). | the primary structure determination of the hemoglobin alpha- and beta-chains from the silver fox (vulpes vulpes var., canidae) is described. the separation of the chains could be achieved directly from the hemoglobin by rp-hplc as well as by column chromatography of the globin using carboxymethyl-cellulose. following tryptic digestion of the chains, the peptides were isolated by rp-hplc. amino-acid sequences were determined by edman degradation in liquid and gas phase sequencers. the peptides co ... | 1991 | 2039604 |
| the influence of snow on lynx and coyote movements: does morphology affect behavior? | we studied sympatric lynx (lynx canadensis) and coyotes (canis latrans) to assess how morphological disadvantages to locomotion over snow affected movement patterns. both species are of similar size and mass, but the feet of lynx are much larger, and coyotes were found to have 4.1-8.8 times the foot-load (ratio of body mass to foot area) of lynx. this resulted in greater mean sinking depths of coyote limbs, although the magnitude of the difference was less than that in foot-load. coyotes exhibit ... | 1991 | 28312614 |