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The multilobular tumor of bone (MTB) is considered as a slow-growth malignant tumor, which generally occurs on the cranium and facial bones of dogs, although it has been reported in other domestic animals. This study presents two cases of MTB in dogs. The first case was manifested in an 8-year-old m...
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Current understanding of the etiopathogenesis of infectious salmon anemia (ISA) virus (ISAV) infection in fish comes mostly from virus detection in homogenized tissues taken from ISA-suspected mortalities. This study combined in situ hybridization (ISH) and histology to demonstrate viral RNA transcr...
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Routine laboratory diagnosis of infectious salmon anaemia virus (ISAV) infection is primarily by reverse transcription polymerase chain reaction (RT-PCR) because of the high sensitivity and rapid turnaround time of the test. This paper describes methods for highly reproducible absolute viral load me...
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A sebaceous gland carcinoma was diagnosed in an adult African hedgehog (Atelerix albiventris). The neoplasm,was localized in the subcutis of the cervicall region and extendend towards the axilar region and along the thorax. The animal was admitted for surgical removal of the tumor but died during th...
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A 2-year old gelding was referred for evaluation of severe right forelimb lameness. The horse was grade 4/5 lame on the right forelimb. Clinical, laboratory, and radiographic findings were consistent with septic arthritis and osteomyelitis. Due to poor prognosis the owner elected euthanasia. Histopa...
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288 mice were divided into four groups and exposed to aerosols of P. haemolytica or S. aureus in four replicates. The numbers of bacteria were determined in the trachea and lungs of mice killed 0, 2, 4, 8, 12, 24, 48 and 72 hours after exposure. Bacterial deposition was greater in lungs than in trac...
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The prevalence of Giardia duodenalis, Cryptosporidium spp. and other intestinal parasites was determined in dogs <1 year old from Prince Edward Island, Canada. Fecal samples were collected from the local animal shelter (n=62), private veterinary clinics (n=78) and a pet store (n=69). Intestinal para...
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The relationship between acute pulmonary cell injury and inflammatory response was investigated in rats killed 1, 3, and 7 days after tracheal inoculation with bacterial lipopolysaccharide (LPS). Inoculation with LPS induced an influx of polymorphonuclear leukocytes (PMN) and a mild increase in pulm...
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The adult American lobster (Homarus americanus) is susceptible to few naturally occurring pathogens, and no viral pathogen is known to exist. Despite this, relatively little is known about the H. americanus immune system and nothing is known about its potential viral immune response. Hundreds of rur...
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Intratesticular injection of EsterilSol (zinc gluconate neutralized with arginine) is a chemical sterilant for male dogs sometimes used in population control campaigns. Adverse reactions have been reported in 1% to 4% of treated dogs, but detailed histomorphologic descriptions are lacking. During a ...
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A soft-coated wheaten terrier was examined for lameness with subsequent identification of protein-losing nephropathy, hypoalbuminemia, hyperglobulinemia, and seroconversion to Borrelia burgdorferi. Following doxycycline therapy, the urine protein loss decreased significantly and serum albumin...
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The effects of 2 different 8-hour continuous rate infusions (CRIs) of medetomidine on epinephrine, norepinephrine, cortisol, glucose, and insulin levels were investigated in 6 healthy dogs. Each dog received both treatments and a control as follows: MED1 = 2 μg/kg bodyweight (BW) loading dose follo...
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Farmed fish provide an increasing fraction of the human food supply, and are of major economic importance in many countries. As in the case of terrestrial agriculture, bringing together large numbers of animals of a single species (i.e., monoculture) increases the risk of infectious disease outbreak...
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‘Sea lice’ is a common name for a large number of species of marine ectoparasitic copepods, many of which are widespread and important disease-causing agents that infect both cultured and wild fish. Of these copepods, the salmon louse Lepeophtheirus salmonis is the most extensively studied becau...
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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...
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Antibodies to 7 antigens in a whole cell lysate C. pseudotuberculosis ranging in molecular mass from 22 to 120 kDa were present in sera of 40 sheep and goats infected with C. pseudotuberculosis. Three antigens of about 120, 68 and 31.5 kDa in size were consistently detected with sera from all animal...
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Besnoitia was diagnosed in 2 caribou (Rangifer tarandus caribou) which died of pneumonia at the Assiniboine Park Zoo, Winnipeg, Manitoba, Canada, in 1983. During the following 3 years, besnoitiosis spread to an isolated herd of caribou, to mule deer (Odocoileus hemionus hemionus) and to reindeer (R....
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In this study the involvement of several humoral immune parameters of Atlantic cod (Gadus morhua L.) were studied in granuloma formed as a result of infection by Aeromonas salmonicida ssp. achomogenes. The results showed a clear association of immune parameters within the granuloma, in particular th...
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Histopathological changes in the swim bladders of ciscos Coregonus artedii naturally infected with Cystidicola farionis included invasion of the subepithelium by histiocytic inflammatory cells, varying degrees of epithelial atrophy, and the occurrence of round granular cells in submucosal connective...
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