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The characteristics of 227 biting dogs, their homes, and their victims were gathered in a detailed telephone survey of general veterinary clientele in the Canadian provinces of New Brunswick, Nova Scotia, and Prince Edward Island. All of the dogs had bitten either someone living in the same househol...
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The results of serological testing for paratuberculosis (AGID and ELISA) of 404 cattle were compared to faecal culture results. The AGID test was positive in 76 of 110 clinically suspect cows and in 6 of 30 subclinically infected cows from endemic herds. The AGID test was negative in all 102 cows fr...
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All the cattle on 3 dairy herds endemically infected with paratuberculosis were tested 3 times at 6-month intervals by faecal culture and serological tests for paratuberculosis. Production data and somatic cell counts were also collected. Estimates of sensitivity relative to faecal culture were high...
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Sow and feeder pig productivity were measured on a random sample of 32 Prince Edward Island swine farms (each producing over 1000 market hogs per year). Productivity parameters could be arranged in a hierarchy, with the highest level on farrow-finish operations represented by pigs weaned per sow per...
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The objective of this study was to identify risk factors for productivity losses in the Canadian lobster industry. Lobster handling and fishing practices onboard 64 fishing boats and transportation conditions on 49 vehicles subsequently transporting these lobsters from fishing wharves to processing ...
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In utero transmission of Mycobacterium paratuberculosis, the causative agent of paratuberculosis in cattle, has been suggested. Tissue specimens were obtained at a packing plant from pregnant dairy cows and their fetuses and from cows with clinical signs of paratuberculosis and from their fetuses. S...
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The characterization of a purified antigen from Mycobacterium paratuberculosis, recently made commercially available for use in serodiagnosis by enzyme-linked immunosorbent assay (ELISA), of paratuberculosis in cattle was described. This assay had 89% specificity and 83% sensitivity for M paratuberc...
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Erythropoietin is a glycoprotein produced endogenously in the kidney, which stimulates red blood cell production. We evaluated the effects of chronic treatment with recombinant human erythropoietin (epoetin alfa: EPO) on the performance of 6-month-old male C57BL/6J mice in a spatial learning task, t...
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OBJECTIVES: To describe the clinical features of prostate cancer in Senegalese men and compare these features with those found in African-American and white American men. METHODS: We identified an unselected series of 121 patients with prostate cancer diagnosed at two hospitals in Dakar, Senegal bet...
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Fecal samples from 131 cattle clinically suspect for paratuberculosis were cultured bacteriologically, using the traditional sedimentation processing method and a processing method that included a centrifugation step. Of 16 samples that were contaminated, 6 were culture-positive on at least 1 medium...
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OBJECTIVE: To describe the cross-sectional relationship between an objective measure of walking (pedometer-determined steps/day) and general indicators of health, a prior diagnosis of one or more components of the metabolic syndrome, and self-reported occupational activity in a generally sedentary w...
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A retrospective cross-sectional survey of dog-owning veterinary clients was undertaken in 1996 in three Canadian provinces (New Brunswick, Nova Scotia, and Prince Edward Island) to generate a population of dogs for future use in a more detailed survey on canine behaviour. The questionnaire was desig...
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This study describes and compares lobster fishing and handling practices on various boats, transportation conditions between fishing wharfs and processing plants, and health assessments of lobsters followed from the time of harvest to the time of arrival at the processing plants during the spring an...
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A sample of 3 dairy herds served by the same private veterinary practice was selected on the basis of similarity of size, calf-rearing practices and owners cooperation. All animals were tested for paratuberculosis 3 or 4 times at 6-month intervals by faecal culture, (ELISA), agar-gel immunodiffusion...
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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, ...
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We describe 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 1 of the colleges. The 1st rotation was held in Guelph in 1993, followed in succ...
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The Canadian lobster industry holds lobsters Homarus americanus in captivity for various periods to supply markets with live product year-round. Mortality during holding results in considerable losses, estimated at 10 to 15 % yr(-1) by the industry. This study examined the prevalence of Anophryoides...
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Experimental infections with Piscirickettsia salmonis via intraperitoneal (IF), oral (PO) and gill (GS) routes were compared, and the importance of physical contact in the horizontal transmission of this organism was investigated. Atlantic salmon, Salmo salar L., under-yearling parr raised in fresh ...