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Journal of Veterinary Diagnostic Investigation

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https://www.readbyqxmd.com/read/28677423/usefulness-of-cytologic-criteria-in-ultrasound-guided-fine-needle-aspirates-from-subcentimeter-canine-mammary-tumors
#1
Alessio Pierini, Francesca Millanta, Roberta Zanforlin, Iacopo Vannozzi, Veronica Marchetti
We determined cytologic features of histologically confirmed subcentimeter canine mammary tumors (CMTs) to determine reasonable criteria for an accurate cytologic diagnosis. Fifty-three CMTs from 28 bitches were included. All cytologic samples were collected by ultrasound-guided fine-needle aspiration biopsy, stained with May-Grünwald/Giemsa, and retrospectively evaluated using a scoring system established for 18 cytologic features. Mean nuclear area (MNA) was also measured for each sample by a computer-assisted program...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28677421/molecular-detection-of-viral-agents-in-free-ranging-and-captive-neotropical-felids-in-brazil
#2
Mariana Malzoni Furtado, Sueli Akemi Taniwaki, Iracema Nunes de Barros, Paulo Eduardo Brandão, José Luiz Catão-Dias, Sandra Cavalcanti, Laury Cullen, Claudia Filoni, Anah Tereza de Almeida Jácomo, Rodrigo Silva Pinto Jorge, Nairléia Dos Santos Silva, Leandro Silveira, José Soares Ferreira Neto
We describe molecular testing for felid alphaherpesvirus 1 (FHV-1), carnivore protoparvovirus 1 (CPPV-1), feline calicivirus (FCV), alphacoronavirus 1 (feline coronavirus [FCoV]), feline leukemia virus (FeLV), feline immunodeficiency virus (FIV), and canine distemper virus (CDV) in whole blood samples of 109 free-ranging and 68 captive neotropical felids from Brazil. Samples from 2 jaguars ( Panthera onca) and 1 oncilla ( Leopardus tigrinus) were positive for FHV-1; 2 jaguars, 1 puma ( Puma concolor), and 1 jaguarundi ( Herpairulus yagouaroundi) tested positive for CPPV-1; and 1 puma was positive for FIV...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28677418/metastatic-myxosarcoma-in-a-quarter-horse-gelding
#3
Jonathan P Samuelson, Kate O Echeverria, Jonathan H Foreman, Richard L Fredrickson, Deborah Sauberli, Herbert E Whiteley
A 22-y-old Quarter Horse gelding was presented to the University of Illinois Veterinary Teaching Hospital for evaluation of increased heart rate and mild colic signs. Rectal examination revealed a large left perirenal mass. Abdominal ultrasonography further confirmed this finding. Thoracic ultrasonography indicated multifocal irregularities on the pleural surface suggestive of consolidation and possibly masses in the lungs. The animal was euthanized. Autopsy findings included a large, firm, expansile, gelatinous retroperitoneal mass that surrounded both kidneys, as well as nodules with similar morphology in the lungs, liver, intestinal mesentery, cecum, and caudal mesenteric artery...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28677409/serologic-evidence-of-hobi-like-virus-circulation-in-argentinean-water-buffalo
#4
Andrea Pecora, María S Pérez Aguirreburualde, Dario A Malacari, Osvaldo Zabal, Juan M Sala, José L Konrad, Sergio G Caspe, Fernando Bauermann, Julia Ridpath, María J Dus Santos
HoBi-like pestiviruses (also known as bovine viral diarrhea virus 3) have been sporadically reported from naturally infected cattle in Brazil, Asia, and Europe. Although HoBi-like viruses seem to be endemic in Brazilian cattle and buffalo, they have not been studied in the other countries of South America to our knowledge. Herein we report serologic results of buffalo from 12 large farms in Argentina located near the Brazilian border. These buffalo were not vaccinated against pestiviruses. Our results indicate that HoBi-like virus may be circulating in the northeastern region of Argentina given that half of the analyzed animals showed high levels of neutralizing antibodies against the pestivirus...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28677403/septicemia-and-meningoencephalitis-caused-by-listeria-monocytogenes-in-two-neonatal-llamas
#5
Ian K Hawkins, Marcia Ilha, Eman Anis, Rebecca P Wilkes
Listeriosis is a disease of humans and domestic mammals (mainly ruminants) with variable manifestations, primarily encephalitis, septicemia, and abortion. Although Listeria monocytogenes readily causes illness in ruminants, the prevalence among domestic South American camelids (llamas and alpacas) is low and has not been documented in their wild counterparts, the vicuna and guanaco. We describe herein the clinical signs, autopsy findings, and histopathology of septicemia and suppurative meningoencephalitis caused by L...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28685648/simultaneous-detection-of-antibodies-to-five-actinobacillus-pleuropneumoniae-serovars-using-bead-based-multiplex-analysis
#6
Sanne Schou Berger, Klara Tølbøll Lauritsen, Ulrik Boas, Peter Lind, Lars Ole Andresen
We have developed and made a preliminary validation of a bead-based multiplexed immunoassay for simultaneous detection of porcine serum antibodies to Actinobacillus pleuropneumoniae serovars 1, 2, 6, 7, and 12. Magnetic fluorescent beads were coupled with A. pleuropneumoniae antigens and tested with a panel of serum samples from experimentally infected pigs and with serum samples from uninfected and naturally infected pigs. The multiplex assay was compared to in-house ELISAs and complement fixation (CF) tests, which have been used for decades as tools for herd classification in the Danish Specific Pathogen Free system...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28673194/evaluation-of-ctad-citrate-theophylline-adenosine-dipyridamole-as-a-universal-anticoagulant-in-dogs
#7
Fanny A Granat, Anne Geffré, Laetitia A Lucarelli, Jean-Pierre D Braun, Catherine Trumel, Nathalie H Bourgès-Abella
CTAD (citrate-theophylline-adenosine-dipyridamole) has been shown to be an almost universal anticoagulant in human and feline medicine, allowing most hematology, coagulation, and biochemical analyses. Forty canine blood specimens were collected in CTAD, EDTA, heparin, and citrate for hematology, biochemistry, and coagulation analyses. CTAD partially limited platelet aggregation observed in EDTA blood smears. CTAD specimens gave similar and well-correlated results for most variables of a complete blood cell count, except for mean corpuscular volume, which was moderately higher, and mean corpuscular hemoglobin concentration, which was moderately lower in CTAD than in EDTA; reticulocyte and platelet indexes were poorly correlated...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28643602/acute-phase-proteins-in-pregnant-goats-a-longitudinal-study
#8
Michał Czopowicz, Olga Szaluś-Jordanow, Marcin Mickiewicz, Lucjan Witkowski, Iwona Markowska-Daniel, Tadeusz Stefaniak, Daria Reczyńska, Emilia Bagnicka, Jarosław Kaba
We documented changes in serum amyloid A (SAA) and haptoglobin (Hp) concentration in goats during pregnancy, as measured by competitive ELISAs. Fifteen does (pregnant group) and 20 castrated males (control group) were enrolled in the study. Blood samples were collected on the same day from all 35 goats, 7 times throughout the study period: at mating, then once every month, during the week preceding kidding, and 1 mo after kidding. Baseline SAA and Hp concentrations at mating were identical in the 2 groups. In the pregnant group, SAA concentration rose significantly in the second month and remained elevated until the end of pregnancy, with the peak concentration at kidding...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28643557/pooled-sample-testing-for-bonamia-ostreae-a-tale-of-two-sybr-green-real-time-pcr-assays
#9
Henry S Lane, J Brian Jones, Wendy L McDonald
Pooled testing of samples is a common laboratory practice to increase efficiency and reduce expenses. We investigated the efficacy of 2 published SYBR Green real-time PCR assays when used to detect the haplosporidian parasite Bonamia ostreae in pooled samples of infected oyster tissue. Each PCR targets a different gene within the B. ostreae genome: the actin 1 gene or the 18S rRNA gene. Tissue homogenates (150 mg) of the New Zealand flat oyster Ostrea chilensis were spiked with ~1.5 × 10(3) purified B. ostreae cells to create experimental pools of 3, 5, and 10...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28613139/evaluation-of-the-relationship-between-the-minimum-inhibitory-concentration-of-ceftiofur-and-third-generation-cephalosporins-in-escherichia-coli-isolates-from-food-producing-animals
#10
Mototaka Hiki, Yasuhito Shimizu, Michiko Kawanishi, Manao Ozawa, Hitoshi Abo, Akemi Kojima, Ryoji Koike, Satowa Suzuki, Tetsuo Asai, Shuichi Hamamoto
To enable future comparison of the antimicrobial susceptibility data between bacteria obtained from animals and humans, it is necessary to compare the relationships between minimum inhibitory concentrations (MICs) of veterinary and human medicine. We evaluated the relationship between the MIC of ceftiofur (CTF) and the MICs of other third-generation cephalosporins (TGCs): cefotaxime (CTX), cefpodoxime (CPDX), and ceftazidime (CAZ), determined by the broth microdilution method using 118 cefazolin-resistant Escherichia coli isolates from food-producing animals...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28613116/reduction-of-thoroughbred-racing-fatalities-at-new-york-racing-association-racetracks-using-a-multi-disciplinary-mortality-review-process
#11
Scott E Palmer, Sean P McDonough, Hussni O Mohammed
Between January 1, 2013 and December 31, 2015, findings of a New York State Gaming Commission-Cornell University postmortem examination program were utilized in a multi-disciplinary mortality review process to review 129 racing fatalities at Thoroughbred racetracks operated by the New York Racing Association (NYRA). Musculoskeletal fractures comprised 79% of the fatalities; cardiopulmonary conditions accounted for 12% of the fatalities. Other causes of death included gastrointestinal (3%), respiratory (5%), and central nervous system (2%) conditions...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599620/blackleg-in-cattle-a-case-report-of-fetal-infection-and-a-literature-review
#12
Camila C Abreu, Erin E Edwards, John F Edwards, Philippa M Gibbons, Jeann Leal de Araújo, Raquel R Rech, Francisco A Uzal
Clostridium chauvoei causes blackleg in cattle. The disease has been reported worldwide, and although it can be prevented by vaccination, sporadic cases and occasional outbreaks still occur. We describe a case of blackleg in a 2-y-old, pregnant Gyr cow with in utero transmission to the fetus. The cow had characteristic gross and microscopic lesions of blackleg including widespread necrohemorrhagic and emphysematous skeletal and myocardial myositis, and fibrinous pericarditis. Her uterus contained a near-term, markedly emphysematous fetus with skeletal muscle and myocardial lesions similar to those seen in the dam...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599616/a-survey-of-methods-used-for-antimicrobial-susceptibility-testing-in-veterinary-diagnostic-laboratories-in-the-united-states
#13
David A Dargatz, Matthew M Erdman, Beth Harris
Antimicrobial resistance is a serious threat to animal and human health worldwide, requiring a collaborative, holistic approach. The U.S. Government has developed a national strategy to address antimicrobial resistance, with one component being to monitor antimicrobial resistance in agricultural settings. We developed a survey to collect information about antimicrobial susceptibility testing (AST) from the veterinary diagnostic laboratory community in the United States, assessing current practices and technologies and determining how AST information is shared...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599615/histopathology-case-definition-of-naturally-acquired-salmonella-enterica-serovar-dublin-infection-in-young-holstein-cattle-in-the-northeastern-united-states
#14
Heidi L Pecoraro, Belinda Thompson, Gerald E Duhamel
Salmonella enterica subsp. enterica serovar Dublin ( Salmonella Dublin) is a host-adapted bacterium that causes high morbidity and mortality in dairy cattle worldwide. A retrospective search of archives at the New York Animal Health Diagnostic Center revealed 57 culture-confirmed Salmonella Dublin cases from New York and Pennsylvania in which detailed histology of multiple tissues was available. Tissues routinely submitted by referring veterinarians for histologic evaluation included sections of heart, lungs, liver, spleen, and lymph nodes...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599613/immunohistochemical-analysis-of-canine-and-feline-muscle-disorders-using-formalin-fixed-paraffin-embedded-tissues
#15
Takanori Shiga, Kazuyuki Uchida, James K Chambers, Hiroyuki Nakayama
Histochemical techniques used in examination of muscle biopsies typically require frozen sections. Given that most of the specimens submitted to a veterinary laboratory for diagnosis are formalin-fixed, the choice of staining methods is limited. We aimed to further advance the diagnostic capabilities of pathologists presented with formalin-fixed muscle samples and to describe the differences in immunohistopathologic findings between neurogenic and myogenic muscle disorders. Based on hematoxylin and eosin staining, we defined in dogs the histologic lesions in 4 neurogenic disorders (degenerative myelopathy and polyneuropathy) and 2 myogenic disorders (dystrophin-deficient muscular dystrophy)...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599612/mycobacterioses-in-dogs-and-cats-from-buenos-aires-argentina
#16
Soledad Barandiaran, Marcela Martínez Vivot, Elvira Falzoni, María Jimena Marfil, Gabriela Pérez Tort, Paula Rovatti, Mónica Fernández, Ricardo Iachini, Fernanda Satek, Adriana Duchene, Martín José Zumárraga
Mycobacterioses can produce nonspecific clinical signs in dogs and cats that make diagnosis difficult. Furthermore, the full characterization of mycobacterial agents is not always possible or practical. We characterized mycobacteria detected through cytology in 12 dogs and 7 cats with generalized clinical signs from the province of Buenos Aires in Argentina. In dogs, molecular testing confirmed the presence of Mycobacterium avium subsp. hominissuis (MAH) in 8 cases and M. fortuitum in 1 case. All dogs were Miniature Schnauzers, suggesting that this breed may be more susceptible to M...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28599611/effects-of-storage-temperature-and-repeated-freeze-thaw-cycles-on-stability-of-bovine-plasma-concentrations-of-haptoglobin-and-ceruloplasmin
#17
Paulo G M A Martins, Philipe Moriel, John D Arthington
We evaluated the effects of storage temperature (-20 or -80°C) and handling procedure on plasma concentrations of bovine haptoglobin and ceruloplasmin. Within each temperature, whole blood samples were: centrifuged within 2 h of collection and plasma kept frozen until analysis (control); refrigerated at 4°C for 24 h before plasma harvest and freezing (24H); or plasma harvested and frozen within 2 h after collection, but then plasma samples were thawed and refrozen 1 wk (1X), 1 and 2 wk (2X), or 1, 2 and 3 wk (3X) before analyses...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28581363/detection-of-canine-adenovirus-1-in-red-foxes-vulpes-vulpes-and-raccoons-procyon-lotor-in-germany-with-a-taqman-real-time-pcr-assay
#18
Silke Hechinger, Svenja Scheffold, Hans-Peter Hamann, Michael Zschöck
We developed a real-time (rt)PCR assay based on TaqMan probe technology for the specific detection of canine adenovirus 1 (CAdV-1). The assay is able to detect three 50% tissue culture infectious dose/mL in CAdV-1-containing cell culture supernatant. Viral genomes were not amplified of canine adenovirus 2 or of several bovine, porcine, and avian adenoviruses. In silico analysis provided no indication of amplification of other heterologous genomes. The sensitivity of the real-time assay exceeded that of a conventional gel-based CAdV-1 PCR by a factor of 100...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28580838/a-diagnostic-pathologist-s-guide-to-carpal-disease-in-racehorses
#19
Julie B Engiles, Holly Stewart, Jennifer Janes, Laura A Kennedy
As a pathologist, postmortem examination of the equine carpus can be daunting. The anatomy is complex and oftentimes, small or subtle lesions have significant impact on lameness and secondary lesions such as catastrophic musculoskeletal fractures and other injuries. In performance horses, particularly racehorses, the carpus is a common site of injury and source of lameness. Given the predisposition of racehorses to developing carpal disease, familiarity with clinically relevant anatomy and common developmental, degenerative, traumatic, and inflammatory processes are imperative for thorough postmortem examination...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28580831/markers-of-oxidative-stress-in-dogs-with-heart-failure
#20
Barbara Verk, Alenka Nemec Svete, Janez Salobir, Vida Rezar, Aleksandra Domanjko Petrič
We tested the hypothesis that indirect measures of oxidative stress (vitamin E, glutathione peroxidase, and malondialdehyde) differ in dogs in heart failure resulting from either myxomatous mitral valve disease or dilated cardiomyopathy. Dogs were classified according to the International Small Animal Cardiac Health Council (ISACHC) classification. Additionally, the effect of cardiac therapy on oxidative stress parameters and N-terminal pro-B-type natriuretic peptide (NT-proBNP) in advanced stages of congestive heart failure was investigated...
June 1, 2017: Journal of Veterinary Diagnostic Investigation
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