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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 21-month-old intact male Saint Bernard was examined for a two-week history of hyperpnoea. Pleural effusion was confirmed radiographically, and fluid analysis was consistent with a modified transudate. Causes of pleural effusion such as heart failure, pyothorax, hypoalbuminaemia, chylothorax, lung ...
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4 newborn calves from different herds were examined because of recumbency and inability to rise. Abnormal physical findings were confined to the nervous and/or musculoskeletal systems. The calves were necropsied, and histological findings included multifocal lymphocytic myelitis, meningitis, and enc...
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This note discusses the correction made by Sheridan to the formula used for predicting changes in fish size on the basis of selection differentials for a correlated trait [Canadian Journal of Fisheries and Aquatic Sciences (1996) 53 (4) 933]. It draws attention to the fact that, to predict the direc...
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Escaped hybrid catfish (female Thai walking catfish, Clarias macrocephalus x male African catfish, C. gariepinus) from farms in central Thailand may interbreed with C. macrocephalus individuals in the wild. We assessed genetic introgression of C. gariepinus genes into four wild and two broodstock po...
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The classes of 2007 from the Atlantic Veterinary College, Ontario Veterinary College, and Western College of Veterinary Medicine were surveyed to determine what factors influenced the respondents' career path choices. Seventy percent (166/237) of those contacted participated in the survey of which 8...
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Deaths from acute zinc intoxication occurred among sheep that passed through a foot bath containing 20% zinc sulphate in order to obtain water. Experimentally it was shown that as little as 8 oz of a 20% zinc sulphate solution could kill within 4 hours of ingestion..
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Effective population size (Ne) of a natural fish population was estimated from temporal changes in allele frequencies at 7 microsatellite loci. Analysis of an historical collection of fish scales increased the precision of estimates by increasing the time interval between samples and applying the re...
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Clinical muscular and neurological signs are described for 13 Smooth Fox Terriers affected with a congenital form of myasthenia gravis. Treatment with a long-acting cholinesterase inhibitor in six cases resulted in temporary improvement in muscle strength. From examination of the phenotypes of 132 S...
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Laboratory research has shown that female fish can pass toxic organochlorines (OCs) from their bodies to their eggs, killing their offspring if sufficient quantities are transferred. We conducted a controlled incubation study using gametes from a wild, OC-contaminated walleye (Sander vitreus) popula...
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The objective of this investigation was to determine the effects of varying levels of dietary protein on the postexercise increase in serum and muscle enzyme activity normally observed following exercise-induced muscle injury. Serum creatine kinase (CK), serum aspartate aminotransferase (AST), and m...
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Autologous tissue transmission of spontaneously developing feline eosinophilic plaques was attempted in 5 cats. Macerated tissue from the plaque was vigorously rubbed onto 2 scarified skin sites in each cat. The inoculated areas were observed daily for 30 days. During that time, no clinical or histo...
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Necrotizing fasciitis is a rapidly spreading, bacterial, soft-tissue infection reported in both humans and dogs. A review of the pathophysiology, clinical findings, diagnosis, and treatment of necrotizing fasciitis is presented, with the goal of familiarizing veterinarians with this uncommon but pot...
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The microsatellites, designated MN40-MN44, were isolated from subclones derived from a bacterial artificial chromosome (BAC) clone (145H12) by screening with a (GT)10 oligonucleotide probe. Polymerase chain reaction analysis of 19 unrelated animals revealed the presence of 4, 5, 10, 5 and 7 alleles ...
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Carcinoma of the prostate is rare, and difficult to distinguish from hyperplasia, cysts and inflammation, except by histological examination of biopsy specimens. Details of 14 cases encountered at Pullman, Washington, between 1977 and 1983 are presented..
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Walleye, (Stizostedion vitreum), from two northern Minnesota, USA spawning stations (Pike River, Hudson Bay drainage, and Little Cutfoot Sioux Lake, Mississippi River drainage) simultaneously stocked as fry into five southern Minnesota lakes had different survival rates. One year after stocking, Pik...
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The phenotypes with respect to congenital myasthenia gravis of 132 Smooth Fox Terrier dogs from 25 matings were analysed. These included both prospective and retrospective matings. It was determined that congenital myasthenia gravis in this breed is inherited in an autosomal recessive manner with co...
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It is proposed that the wild-type xol-1 gene product of Caenorhabditis elegans promotes male development by ensuring that genes (or gene products) directing hermaphrodite sex determination and dosage compensation are inactive XO animals. In addition to feminizing XO animals, xol-1 mutations further ...
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OBJECTIVE: To evaluate concordance among veterinary pathologists in the assessment of histologic findings in the pars intermedia of pituitary gland sections from aged horses with mild signs suggestive of pituitary pars intermedia dysfunction (PPID). Sample Population-10 pituitary glands from aged ho...
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