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Background Reliable enumeration of mast cells and eosinophils in equine bronchoalveolar lavage ( BAL) fluid is important because small increases in the percentages of these cells support the clinical diagnosis of inflammatory airway disease ( IAD). Increases in BAL neutrophils also occur with IAD bu...
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Background Recent focus on earlier detection of pathogen introduction in human and animal populations has led to the development of surveillance systems based on automated monitoring of health data. Real- or near real-time monitoring of pre-diagnostic data requires automated classification of recor...
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In contrast to freshwater fish it is presumed that marine fish are unlikely to spawn with close relatives due to the dilution effect of large breeding populations and their propensity for movement and reproductive mixing. Inbreeding is therefore not typically a focal concern of marine fish managemen...
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This report identifies and genotypes the bovine viral diarrhoea virus (BVDV) in up to 20 years old archival formalin fixed paraffin embedded (FFPE) tissues of bovine foetuses and calves. Samples from 6 presumably BVDV aborted foetuses and 3 calves diagnosed with mucosal disease were tested by immu- ...
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Background: Piscine reovirus (PRV) is a newly discovered fish reovirus of anadromous and marine fish ubiquitous among fish in Norwegian salmon farms, and likely the causative agent of heart and skeletal muscle inflammation (HSMI). HSMI is an increasingly economically significant disease in Atlantic ...
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An in vivo rainbow trout (Oncorhynchus mykiss) branchial xenoma expression model was used to detect the presence of viable microsporidial spores (Loma salmonae) within aquarium-held blue mussels (Mytilus edulis) experimentally exposed to a suspension of semi-purified L. salmonae spores. In two separ...
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Parasitic sea lice are a major challenge for salmon aquaculture. This is especially due to recent development of resistance to emamectin benzoate (EMB) in the parasite. We investigated 1) whether EMB treatment success in Grand Manan, Bay of Fundy, NB, can be explained through EMB bioassay and P-gp ...
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Amphibians in the family Ranidae (true frogs) seem highly susceptible to oxalosis, particularly when fed a diet high in oxalic acid during the premetamorphic (tadpole) stage. The authors describe the mortality of 150 captive-raised wood frogs (Rana sylvatica or Lithobates sylvaticus) from oxalate ne...
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This study assessed the standard urinalysis technique and sediment stain techniques as predictors of bacterial culture results for canine and feline urine. Canine (n = 111) and feline (n = 79) urine samples were evaluated using unstained wet-mount and air-dried Gram and Wright-Giemsa stained sedimen...
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Congenital Anomalies of the Kidney and Urinary Tract (CAKUT) are a polymorphic group of clinical disorders comprising the major cause of renal failure in children. Included within CAKUT is a wide spectrum of developmental malformations ranging from renal agenesis, renal hypoplasia and renal dysplasi...
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Microsporidial gill diseases particularly those caused by Loma salmonae incur significant economic losses to the salmonid aquaculture industry. The gill responses to infection include the formation of xenomas and the acute hyperplastic inflammatory responses once the xenomas rupture releasing infect...
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Sturgeon are an important evolutionary taxa of which little is known regarding their responses to environmental factors. Water temperature strongly influences growth in fish; however, its effect on sturgeon immune responses is unknown. The objective of this study was to assess how 2 different temper...
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Sturgeon are an important evolutionary taxa of which little is known regarding their responses to environmental factors. Water temperature strongly influences growth in fish; however, its effect on sturgeon immune responses is unknown. The objective of this study was to assess how 2 different temper...
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Systemic inflammatory responses of mammals and bony fish are primarily driven by coordinated up-regulation and down-regulation of plasma acute-phase proteins. Although this general principle is believed to be universal among vertebrates, it remains relatively unexplored in elasmobranchs. The objecti...
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Lepeophtheirus salmonis is a common parasite of salmonid fish and has a significant economic impact on Atlantic salmon (Salmo salar) fish farms. Over time L. salmonis has developed resistance to a number of chemotherapeutants, making the discovery of new treatments important to maintain a profitable...
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Evaluation of hepatopancreas (HP), pincher claw muscle (PCM), crusher claw muscle (CCM), and abdominal muscle (AM) lipid content in 86 recently caught, adult, male and female American lobsters, Homarus americanus, in the Northumberland Strait, PE, Canada, using the Folch method identified lipid as a...
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A cross-sectional study was undertaken to determine the prevalence and distribution of Salmonella serotypes from apparently healthy slaughtered sheep and goats from November 2002 to May 2003 at Debre Zeit abattoir, Ethiopia. From a total of 107 slaughtered animals (60 goats and 47 sheep), 642 sample...
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An automated colorimetric method for determining lipase activity in canine sera was evaluated for precision, linearity and correlation to existing assay methods. The colorimetric method was a commercial reagent that used a series of enzymatic reactions based on the hydrolysis of 1,2 diglyceride by p...
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Three calves from a herd of beef cattle were examined because of disproportionate dwarfism and excessive extension of metacarpophalangeal and metatarsophalangeal joints. Abnormalities had been noticed at birth, 1 to 6 days earlier. A thorough herd investigation revealed that 16 calves born to 70 mul...