| prevalence of sarcocystis spp. in two subspecies of caribou (rangifer tarandus) in newfoundland and labrador, and foxes (vulpes vulpes), wolves (canis lupus), and husky dogs (canis familiaris) as potential definitive hosts. | a study was conducted to determine the prevalence and geographical distribution of sarcocystis spp. infecting 2 subspecies of caribou (rangifer tarandus) inhabiting newfoundland and labrador and its potential definitive hosts. muscle samples of caribou were obtained, primarily from hunters, and feces of red foxes (vulpes vulpes) and wolves (canis lupus), from trappers, and husky dogs (canis familiaris), from owners. histological sections of muscle and flotation methods for feces were used for pa ... | 2006 | 16884021 |
| y-chromosome markers for the red fox. | the de novo assembly of the red fox (vulpes vulpes) genome has facilitated the development of genomic tools for the species. efforts to identify the population history of red foxes in north america have previously been limited by a lack of information about the red fox y-chromosome sequence. however, a megabase of red fox y-chromosome sequence was recently identified over 2 scaffolds in the reference genome. here, these scaffolds were scanned for repeated motifs, revealing 194 likely microsatell ... | 2017 | 28821189 |
| elucidating the spread of the emerging canid nematode angiostrongylus vasorum between palaearctic and nearctic ecozones. | angiostrongylus vasorum is an emerging parasite that is currently distributed through western europe and parts of south america. an isolated population is also present in newfoundland, canada. this presents a risk of onward spread into north america, but its origin is unknown. to ascertain the phylogeographic relationships and genetic diversity of a. vasorum within the western palaearctic and eastern nearctic ecozones, a total of 143 adult and larval nematode specimens were collected from foxes ... | 2010 | 20139034 |
| enhanced understanding of predator-prey relationships using molecular methods to identify predator species, individual and sex. | predator species identification is an important step in understanding predator-prey interactions, but predator identifications using kill site observations are often unreliable. we used molecular tools to analyse predator saliva, scat and hair from caribou calf kills in newfoundland, canada to identify the predator species, individual and sex. we sampled dna from 32 carcasses using cotton swabs to collect predator saliva. we used fragment length analysis and sequencing of mitochondrial dna to di ... | 2014 | 23957886 |
| patterns of mhc-drb1 polymorphism in a post-glacial island canid, the newfoundland red fox (vulpes vulpes deletrix), suggest balancing selection at species and population timescales. | as the only native insular newfoundland canid between the extinction of the wolf in the 1930s and the recent arrival of coyotes, the red fox (vulpes vulpes deletrix bangs 1898) poses interesting questions about genetic distinctiveness and the post-glacial colonization history of the island's depauperate mammalian fauna. here, we characterized genetic variability at the major histocompatibility complex (mhc) class ii dr β1 domain (drb1) locus in 28 red foxes from six sampling localities island-wi ... | 2016 | 26894280 |