Results

1 - 25 of 66
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
From winter 1997 to summer 1998, an epizootic of salmonellosis affected several species of songbirds over a large area of the eastern North American continent. This article describes the details of this epizootic in the Canadian Atlantic provinces, based on laboratory examination of dead affected bi...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Between August 1992 and November 1995, 31 moribund or dead common loons (Gavia immer) found in the three Maritime provinces of Canada (New Brunswick, Nova Scotia, Prince Edward Island) were necropsied. Eight of these birds were in good body condition and died acutely from drowning or trauma. The rem...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Cloacal and pharyngeal swabs from 100 tree-nesting Double-crested cormorant (DCC) chicks were examined by culture for commensal and potentially pathogenic bacteria. No Salmonella or Erysipelothrix were isolated from the cloacal swabs. Twenty-two cloacal swabs were positive for Campylobacter, of whic...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Over a period of 9 yr, seven white-fronted geese (Anser albifrons) and one Canada goose (Branta canadensis) with multiple intramuscular mesenchymal tumors were encountered in Saskatchewan (Canada) and one similarly affected Canada goose was seen on Prince Edward Island (Canada). The tumors in these ...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
A disease resembling thiamine-responsive polioencephalomalacia of domestic ruminants is described in four wild pronghorn from Saskatchewan. One animal was found dead, two were recumbent and unable to rise and the fourth was staggering and ataxic. Lesions were confined to the brain and consisted of b...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
The Canadian Cooperative Wildlife Health Centre (CCWHC) was established in 1992 as an organization among Canada's 4 veterinary colleges, with a mandate to apply veterinary medicine to wildlife management and conservation in Canada. A major function of the CCWHC is nation-wide surveillance of wild an...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Of 4,268 wild ducks sampled in Canada in 2005, real-time reverse transcriptase-PCR detected influenza A matrix protein (M1) gene sequence in 37% and H5 gene sequence in 5%. Mallards accounted for 61% of samples, 73% of M1-positive ducks, and 90% of H5-positive ducks. Ducks hatched in 2005 accounted ...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Three radio-collared Cougars (Felis concolor) in Alberta died from injuries sustained while attacking prey, and a fourth may have died protractedly from such an injury, injuries included a fractured vertebral column, punctured abdominal cavity, severe cranial trauma, and bacterial infection of the t...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
This report describes the first 4 years of an experimental rotation in ecosystem health offered to senior veterinary students in Canada. Faculty from the 4 Canadian veterinary colleges collaborated in offering the rotation once annually at one of the colleges. The first rotation was held in Guelph, ...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Juvenile rainbow trout were exposed to 36, 171, 1017 or 4887 mg/litre of suspended kaolin clay for 64 days. Gills were analysed qualitatively and quantitatively using histology. Branchial pathology was absent at all sample times exposed to 36, 171 and 1017 mg/litre kaolin, although intracellular kao...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
A report is given of the discovery in New Brunswick in May 1996 of a dead St. Lawrence beluga aged >=34 years and in the latter stages of lactation. It indicates that some old females in this population remain reproducibly active..
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Small multifocal lesions of proliferative pododermatitis were observed in an emaciated adult male northern gannet (Morus bassanus). Ultrastructurally, these lesions were associated with numerous virus-like particles with a size and morphology suggestive of Papovaviridae. DNA in situ hybridization wi...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Two groups of rainbow trout fingerlings were exposed for 90 days to 0.2 and 0.4 mg/l of un-ionized ammonia, respectively. Several fish exposed to the higher concentration soon developed clinical signs suggestive of a neurological dysfunction but subsequently recovered. No lesion attributable to ammo...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Between 1977 and 1981, the Fish Pathology Laboratory of the Ontario Veterinary College received 239 cases from trout farms of southern Ontario, 51 (21.3%) of which had diseased gills. Branchial lesions in 86.3% of these 51 cases were characterized by marked lamellar epithelial hyperplasia with epith...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Vessel-whale collision events represented the ultimate cause of death for 21 (52.5%) of the 40 North Atlantic right whales (Eubalaena glacialis) necropsied between 1970 and December 2006. Injuries seen in vessel-struck whales fall into two distinct categories: (1) sharp trauma, often resulting from ...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
The Canadian harp seal (Pagophilus groenlandicus) hunt has, for several decades, raised public concerns related to animal welfare. The field conditions under which this hunt is carried out do not lend themselves easily to detailed observations and analyses of its killing practices. This article repo...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
A two-year-old male Coyote, Canis latrans, in poor body condition was found in a moribund state with a snare deeply embedded in the ventral portion of its neck, more than a month after the official end of the trapping season on Prince Edward Island. This snare had presumably malfunctioned, and the c...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
In fall 1991, a radio-collared black bear (Ursus americanus) in northern Labrador (Canada) died from valvular endocarditis caused by coagulase-positive Staphylococcus aureus, with widespread dissemination of the infection to other organs shortly before death. Apparently, this is the first reported c...
[Page generation failure. The bibliography processor requires a browser with Javascript enabled.]
Although the Mallard (Anas platyrhynchos) is considered an important maintenance host for low pathogenic avian influenza (LPAI) viruses, viral cell tropism and pathology in naturally infected birds are largely unknown. In August 2006, we collected 19 free-living hatch-year Mallards that were positiv...