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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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An association between large proportions of intestinal parasites, particularly trematodes, found in dead emaciateû cornmon loom (Govio immer) and other avian species, suggests that parasites can cause or contribute to a debilitating proces that results in the demise of wild, fiee-ranging seabirds. ...
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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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There is disclosed a process for detecting an RNA virus in a tissue cell or fluid sample, e.g. clinical, suspected of containing the virus. The process comprises heating the sample to a temperature sufficient for protein uncoating the RNA virus, in the presence of an RNase enzyme inhibitor active at...
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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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A significant proportion of infected mink of non-Aleutian genotype naturally resists progression to immune complex disease. The nature of the AD resistance is presumably genetic. While hypergammaglubulinemia can be insensitively detected by an iodine test, more sensitive diagnosis of hyper-γ globul...
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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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A small commercial hunt for 5-7 weeks old grey seals (Halichoerus grypus) occurs intermittently around the Canadian Maritime provinces and may expand in the near future. We sought to better understand and, where possible, improve the harvesting methods of this hunt. We compared the use of the regula...
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