| paragonimus kellicotti infection in wild carnivores in southwestern ontario: i. prevalence and gross pathologic features. | paragonimus kellicotti ward, 1908 was recovered from 16 of 105 mink (mustela vison), 14 of 244 striped skunks (mephitis mephitis), 10 of 446 red foxes (vulpes vulpes), 1 of 31 coyotes (canis latrans), 0 of 326 raccoons (procyon lotor) and 0 of 8 weasels (mustela spp.) collected from southwestern ontario. the majority of carnivores harboring p. kellicotti was collected from two counties (huron and bruce) bordering the east shore of lake huron where 6.0% of the animals (excluding raccoons) were in ... | 1975 | 1113433 |
| paragonimus kellicotti infection in wild carnivores in southwestern ontario: ii. histopathologic features. | pulmonary lesions associated with naturally acquired paragonimus kellicotti infection were studied in mink (mustela vison), striped skunks (mephitis mephitis), red foxes (vulpes vulpes) and a coyote (canis latrans). in ,ink a fibrous capsule was formed around mature flukes in dilated bronchioles or bronchi, and there was mild focal interstitial pneumonitis adjacent to fluke eggs in alveoli and migrating parasites. a thick wall, infiltrated heavily with mononuclear cells and eosinophils, surroun ... | 1975 | 1152176 |
| 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 |
| 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 |
| the prevalence of antibodies against toxoplasma gondii in some ontario mammals. | a survey of serum samples from mammals trapped in central ontario showed that many contained antibodies to toxoplasma gondii. the prevalence of infection as reflected by positive reactions in the sabin-feldman dye test appeared to be related to the type of diet of each species examined, and specifically, to the proportion of rodents in the diet. of the fox blood samples tested, 84% were positive. the percentage of positive samples diminished through, coyote, mink, bear, fisher skunk, raccoon, ma ... | 1976 | 16498870 |
| toxoplasmosis: a serological survey in ontario wildlife. | sera from seven species of wild animals in ontario were examined for antibody to toxoplasma gondii using the sabin-feldman dye test. of 158 sera tested, 53% of the red foxes (vulpes vulpes), 56% of the striped skunks (mephitis mephitis), 78% of the coyotes (canis latrans), 33% of the black bears (ursus americanus), 18% of the short tailed shrews (blarina brevicauda) and none of the field voles (microtus pennsylvanicus) had antibody. antibody to t. gondii was present in sera from wild animals cap ... | 1976 | 16502687 |
| detection of leptospira spp. in wildlife reservoir hosts in ontario through comparison of immunohistochemical and polymerase chain reaction genotyping methods. | a total of 460 kidney samples from wildlife (beavers, coyotes, deer, foxes, opossums, otters, raccoons, skunks) were obtained from road-kill and hunter/trapper donations in ontario between january 2010 and november 2012. the objectives of the study were to detect leptospira spp. by immunohistochemistry and polymerase chain reaction (pcr), to map presence of leptospires in wildlife relative to livestock and human populations, and to characterize positive samples by sequencing and comparison to le ... | 2014 | 24587507 |
| an aerial baiting system for the distribution of attenuated or recombinant rabies vaccines for foxes, raccoons, and skunks. | an aerial baiting system was developed to deliver oral rabies vaccines to wild carnivore vectors of rabies, e.g., red fox, striped skunk, and raccoon. the bait consists of a polyethylene bag that contains either a 30-g hamburger ball or a 25-ml cube of polyurethane sponge coated with a wax-beef tallow mixture containing 100-150 mg of tetracycline as a biomarker. attractants used with the sponge were added to the bag (e.g., liver slurry, cheeses, fish oils, or fruits). baits (greater than 80,000) ... | 2006 | 3206077 |
| postfeeding larval dispersal behavior of late season blow flies (calliphoridae) in southern ontario, canada. | postfeeding dispersal involves migration of larvae away from their food source in order to pupate. puparia are difficult to find, yet are important for estimating pmi, and missing puparia during collection can result in inaccurate estimations. this study investigates the late season maggot dispersal patterns for blow flies at coyote carcasses in two habitats with an aim to improving puparia collection procedures. puparia samples collected from various dispersal distances and directions tested th ... | 2014 | 24602116 |
| a protected area influences genotype-specific survival and the structure of a canis hybrid zone. | it is widely recognized that protected areas can strongly influence ecological systems and that hybridization is an important conservation issue. however, previous studies have not explicitly considered the influence of protected areas on hybridization dynamics. eastern wolves are a species of special concern and their distribution is largely restricted to a protected population in algonquin provincial park (app), ontario, canada, where they are the numerically dominant canid. we studied intrins ... | 2014 | 24669720 |
| genetic differentiation of eastern wolves in algonquin park despite bridging gene flow between coyotes and grey wolves. | distinguishing genetically differentiated populations within hybrid zones and determining the mechanisms by which introgression occurs are crucial for setting effective conservation policy. extensive hybridization among grey wolves (canis lupus), eastern wolves (c. lycaon) and coyotes (c. latrans) in eastern north america has blurred species distinctions, creating a canis hybrid swarm. using complementary genetic markers, we tested the hypotheses that eastern wolves have acted as a conduit of se ... | 2010 | 20160760 |
| inter-specific territoriality in a canis hybrid zone: spatial segregation between wolves, coyotes, and hybrids. | gray wolves (canis lupus) and coyotes (canis latrans) generally exhibit intraspecific territoriality manifesting in spatial segregation between adjacent packs. however, previous studies have found a high degree of interspecific spatial overlap between sympatric wolves and coyotes. eastern wolves (canis lycaon) are the most common wolf in and around algonquin provincial park (app), ontario, canada and hybridize with sympatric gray wolves and coyotes. we hypothesized that all canis types (wolves, ... | 2013 | 23864253 |
| spatial genetic and morphologic structure of wolves and coyotes in relation to environmental heterogeneity in a canis hybrid zone. | eastern wolves have hybridized extensively with coyotes and gray wolves and are listed as a 'species of special concern' in canada. however, a distinct population of eastern wolves has been identified in algonquin provincial park (app) in ontario. previous studies of the diverse canis hybrid zone adjacent to app have not linked genetic analysis with field data to investigate genotype-specific morphology or determine how resident animals of different ancestry are distributed across the landscape ... | 2012 | 23173981 |