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Journal of Veterinary Diagnostic Investigation

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https://www.readbyqxmd.com/read/28818026/herpesviral-infection-in-a-guiana-dolphin-sotalia-guianensis-from-the-northern-coast-of-brazil
#1
Gisele C C Seade, Valíria D Cerqueira, Eva Sierra, Jaese F Chaves, Márcio A O Moura, Daniele P Montão, Gabriela Riet-Correa, Carlos A Oliveira, Salvatore Siciliano, Renata Emin-Lima, Alexandra Fernandes Costa, Antonio Fernández, Pedro S Bezerra Júnior
We describe herein herpesvirus-associated genital lesions in a Guiana dolphin ( Sotalia guianensis) from the northern Brazilian coast. Papillary lesions on the vulva, with epithelial hyperplasia, swollen keratinocytes, and intranuclear inclusions, were positive for a herpesvirus ( Gammaherpesvirinae subfamily).
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28803536/bovine-viral-diarrhea-virus-1b-fetal-infection-with-extensive-hemorrhage
#2
Robert W Fulton, Anthony W Confer, Nicholas J Sorensen, Julia F Ridpath, Lurinda J Burge
Bovine viral diarrhea virus (BVDV) 1b was isolated from tissues of a term bovine fetus with petechial hemorrhages noted throughout the body and placenta at autopsy. Fresh lung, kidney, thymus, and liver tissues were examined by direct fluorescent antibody testing and were positive for BVDV antigen and negative for bovine herpesvirus 1 antigen. An organ pool of fresh tissues was positive for noncytopathic (NCP) BVDV-1 by virus isolation. BVDV-1b was identified by sequencing of the 5'-UTR region of the genome...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28803525/cytologic-features-and-staining-characteristics-of-gamna-gandy-bodies-from-seven-canine-fine-needle-aspirate-preparations
#3
A Russell Moore, Sarah E Leavell, Francisco O Conrado, Sarah S K Beatty, Amy L MacNeill
Gamna-Gandy (GG) bodies are non-infectious, hyphal-like structures associated with siderotic nodules in lymphoid tissue; GG bodies are very rarely reported in veterinary cytologic samples. Cytologically, GG bodies can be misidentified as hyphae or plant material. Seven canine lymphoid tissue aspiration cases that contained GG bodies were investigated for morphologic variability and staining characteristics. Available archived cytology slides containing GG bodies were stained with reagents known to show positive results (Prussian blue, Alizarin red S, Von Kossa) and negative results (Gomori methenamine silver) in histologic samples...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28803517/evaluation-of-16-commercial-antibody-elisas-for-the-detection-of-bovine-viral-diarrhea-virus-specific-antibodies-in-serum-and-milk-using-well-characterized-sample-panels
#4
Jean-Baptiste Hanon, Miet De Baere, Camille De la Ferté, Sophie Roelandt, Yves Van der Stede, Brigitte Cay
We performed a thorough fit-for-purpose evaluation of commercial ELISAs for the detection of bovine viral diarrhea virus (BVDV)-specific antibodies in serum and in milk by testing 2 panels of well-characterized serum and milk samples. Sixteen ELISAs from 9 different manufacturers, available on the Belgian market at the time of our study, were assessed for their diagnostic and analytical sensitivity (DSe and ASe, respectively), diagnostic specificity (DSp), and repeatability relative to the virus neutralization (VN) test considered to be the gold standard assay...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28803510/epizootic-hemorrhagic-disease-virus-serotype-6-outbreak-in-israeli-cattle-in-2015
#5
Natalia Golender, Yevgeny Khinich, Anna Gorohov, Itzik Abramovitz, Velizar Bumbarov
In September 2015, a large outbreak caused by epizootic hemorrhagic disease virus (EHDV) was identified in Israeli dairy and beef farms. The main clinical signs were reduced milk production, weakness, drooling, lameness and recumbency, fever, slight erythema of nasal and oral mucosae, weight loss, and abortion. Dyspnea, cachexia, and death were observed less frequently. The clinical diagnosis was confirmed by ELISAs and EHDV-specific real-time reverse transcription PCR (RT-rtPCR), followed by conventional RT-PCR of the VP2 gene and sequence analysis...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28803509/analytical-validation-and-reference-intervals-for-freezing-point-depression-osmometer-measurements-of-urine-osmolality-in-dogs
#6
Samantha Guerrero, Josep Pastor, Asta Tvarijonaviciute, José Joaquín Cerón, Graziano Balestra, Marco Caldin
Urine osmolality (UOsm) is considered the most accurate measure of urine concentration and is used to assess body fluid homeostasis and renal function. We performed analytical validation of freezing point depression measurement of canine UOsm, to establish reference intervals (RIs) and to determine the effect of age, sex, and reproductive status on UOsm in dogs. Clinically healthy dogs ( n = 1,991) were retrospectively selected and stratified in groups by age (young [0-12 mo], adults [13-84 mo], and seniors [>84 mo]), sex (females and males), and reproductive status (intact and neutered)...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782459/leptospira-spp-vaccinal-antibodies-do-not-react-with-borrelia-burgdorferi-peptides-used-in-the-accuplex-4
#7
Amber L Caress, Scott Moroff, Michael R Lappin
We attempted to determine if Leptospira spp. antibodies induced by vaccination would cross-react with Borrelia burgdorferi antigens used in a commercial automated immunofluorescent assay (AccuPlex 4 BioCD; Antech). Staff- and student-owned dogs ( n = 31) were recruited at a veterinary teaching hospital in a B. burgdorferi nonendemic area. The dogs were randomized and administered 1 of 4 commercial Leptospira spp. vaccines that contained serovars Canicola, Grippotyphosa, Icterohaemorrhagiae, and Pomona, then booster vaccinated 3 wk later...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782451/ichthyosis-fetalis-in-polled-hereford-and-shorthorn-calves
#8
Brendon A O'Rourke, Jillian Kelly, Zoe B Spiers, Patrick L Shearer, Naomi S Porter, Pietro Parma, Maria Longeri
Inherited forms of ichthyosis, or generalized scaling of the skin, have been reported in many animal species, including cattle, and are characterized by an autosomal recessive mode of inheritance. We investigated 2 calves affected with ichthyosis fetalis, a Polled Hereford and a Shorthorn. Both cases had hard white plaques on the skin consistent with excessive keratinization. This was confirmed by histopathology, which showed severe diffuse epidermal and follicular orthokeratotic hyperkeratosis. The known mutation (H1935R) in gene ABCA12, responsible for ichthyosis fetalis in Chianina cattle, was shown to be absent in both affected calves and their obligate heterozygous parents...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782436/charcot-leyden-crystals-do-they-exist-in-veterinary-species-a-case-report-and-literature-review
#9
Eunju Choi, Andrew D Miller, Elizabeth Devenish, Makoto Asakawa, Marina McConkey, Jeanine Peters-Kennedy
The Charcot-Leyden crystal (CLC) is a major human eosinophil protein that readily crystallizes; these crystals are common in eosinophilic diseases. Although anecdotal existence of these crystals is known in veterinary pathology, definitive reports do not exist, to our knowledge. We identified eosinophilic crystals in a laryngeal myxosarcoma from a 2-y-old, spayed female, Labrador Retriever dog that were tentatively interpreted as CLCs. However, Ziehl-Neelsen acid-fast stain was negative, arguing against CLCs...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782434/high-leptospira-seroprevalence-in-captive-and-wild-caught-vervet-monkeys-chlorocebus-sabeus-on-the-caribbean-island-of-saint-kitts
#10
Sreekumari Rajeev, Anne Conan, Nicola Pratt, Amy Beierschmitt, Roberta Palmour
Leptospirosis is a zoonotic disease of global importance. Very little information is available on Leptospira infection in nonhuman primates. We report herein a high seroprevalence (49.4%; 95% confidence interval: 41.6-57.2%) to Leptospira serovars in vervet monkeys ( Chlorocebus sabeus) on the Caribbean island of Saint Kitts. Monkeys bred in captivity ( n = 81) had a significantly higher seroprevalence compared to wild-caught monkeys ( n = 81; p < 0.05). Seroprevalence to serovar Bataviae was significantly higher in monkeys bred in captivity and was higher to serovar Bratislava in wild-caught monkeys ( p < 0...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782430/well-differentiated-inflammatory-liposarcoma-with-metastasis-in-a-6-y-old-cat
#11
Elizabeth Alvarez, Jennifer Dreyfus, Tim Carlson, Marie E Pinkerton, Kimberly Shaffer
Liposarcomas are rare malignant tumors showing adipocytic differentiation. We report a well-differentiated liposarcoma in a 6-y-old, male neutered cat with a prominent inflammatory component and metastatic spread to the lungs. The patient was initially presented because of fever, lethargy, and a firm subcutaneous inguinal mass. A Tru-cut biopsy of the mass revealed a mixture of well-differentiated adipocytes and lymphoplasmacytic-histiocytic inflammation, interpreted as panniculitis. The mass was surgically excised but recurred 4 mo later...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782422/evaluation-of-a-pcr-assay-on-overgrown-individual-fecal-samples-cultured-for-mycobacterium-avium-subsp-paratuberculosis
#12
Saray Rangel, Juan C Arango-Sabogal, Olivia Labrecque, Julie Paré, Julie-Hélène Fairbrother, Sébastien Buczinski, Jean-Philippe Roy, Geneviève Côté, Vincent Wellemans, Gilles Fecteau
Microbial overgrowth can interfere with Mycobacterium avium subsp. paratuberculosis (MAP) growth and detection. We estimated the percentage of positive samples by PCR performed on the incubated media of individual fecal samples classified as non-interpretable (NI) by bacteriologic culture of liquid media. A total of 262 liquid cultures declared NI and 88 samples declared negative were included in the study. MAP DNA was detected in 7 NI samples (2.7%; 95% CI: 1.1-5.4%) and in 1 negative sample (1.1%; 95% CI: 0...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28782421/epidemiologic-survey-of-feline-leukemia-virus-in-domestic-cats-on-tsushima-island-japan-management-strategy-for-tsushima-leopard-cats
#13
Isaac Makundi, Yushi Koshida, Kyohei Kuse, Takahiro Hiratsuka, Jumpei Ito, Takuya Baba, Shinya Watanabe, Maki Kawamura, Yuka Odahara, Ariko Miyake, Hanae Yamamoto, Sawako Kuniyoshi, Manabu Onuma, Kazuo Nishigaki
The Tsushima leopard cat (TLC) Prionailurus bengalensis euptilurus, a subspecies of P. bengalensis, is designated a National Natural Monument of Japan, and lives only on Tsushima Island, Nagasaki Prefecture, Japan. TLCs are threatened by various infectious diseases. Feline leukemia virus (FeLV) causes a serious infectious disease with a poor prognosis in cats. Therefore, the transmission of FeLV from Tsushima domestic cats (TDCs) to TLCs may threaten the TLC population. We investigated the FeLV infection status of both TDCs and TLCs on Tsushima Island by screening blood samples for FeLV p27 antigen and using PCR to amplify the full-length FeLV env gene...
August 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754087/taurolidine-susceptibility-of-methicillin-resistant-staphylococcus-pseudintermedius-isolates
#14
Tiffany Wormhoudt, Bernard Séguin, David A Bemis, Doreene Hyatt
Infections caused by methicillin-resistant Staphylococcus pseudintermedius (MRSP) can be challenging to treat because they are often resistant to many other antimicrobial agents. We assessed the susceptibility of 29 MRSP isolates from dogs to taurolidine in vitro. There was no growth at 0.12% taurolidine and light growth at 0.06% for all isolates. Taurolidine was reliable at inhibiting growth of MRSP at a concentration of 1,200 µg/mL.
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754082/serum-amyloid-a-in-the-diagnosis-of-feline-sepsis
#15
Roberta Troìa, Marta Gruarin, Armando Foglia, Chiara Agnoli, Francesco Dondi, Massimo Giunti
Systemic inflammatory response syndrome (SIRS) and sepsis can be challenging to diagnose in cats. Retrospectively, we investigated the diagnostic and prognostic potential of serum amyloid A (SAA), a major feline acute-phase protein (APP), in a population of critically ill cats with SIRS related to trauma or sepsis. A total of 56 SIRS cats (trauma n = 27; sepsis n = 29) were included and compared with healthy controls ( n = 18). SAA concentration was significantly increased in SIRS cats compared to controls, confirming its potential for the detection of systemic inflammation in this species...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754081/pulmonary-capillary-hemangiomatosis-and-hypertrophic-cardiomyopathy-in-a-persian-cat
#16
Tiffany L Jenkins, Ryan N Jennings
Pulmonary capillary hemangiomatosis (PCH) and pulmonary veno-occlusive disease (PVOD) are rare causes of primary pulmonary hypertension in humans, and, in 2016, were reported in dogs. A 1-y-old, neutered male Persian cat was presented for autopsy after sudden death several hours after grooming. Grossly, the lungs were mottled red-to-pink, contained rubbery-to-firm nodular foci, and there was moderate-to-marked left-sided cardiomegaly and left atrial dilation, consistent with hypertrophic cardiomyopathy. Microscopically, there was multifocal to regionally extensive capillary proliferation within pulmonary alveolar septa and around respiratory bronchioles, with nodular aggregates of densely arranged capillaries that replaced pulmonary alveolar spaces...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754076/immunologic-detection-of-giardia-duodenalis-in-a-specific-pathogen-free-captive-olive-baboon-papio-cynocephalus-anubis-colony
#17
Meriam N Saleh, Jennifer E Thomas, Jack R Heptinstall, Joel F Herbein, Roman F Wolf, Mason V Reichard, Anne M Zajac
Several commercial Giardia immunoassays were evaluated in baboons for sensitivity and specificity as well as ease of use in a large specific pathogen-free (SPF) colony. An additional objective was to identify the assemblage(s) of Giardia duodenalis present in this baboon colony. A direct immunofluorescent antibody test (IFAT) was used as the reference test. Tests evaluated were a patient-side rapid test for dogs and cats, a human rapid test, and a well-plate ELISA designed for use with humans. Test sensitivities and specificities were compared using the McNemar paired t-test and were further evaluated for agreement using an unweighted Cohen kappa statistic...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754074/detection-of-mycoplasma-spp-herpesviruses-topiviruses-and-ferlaviruses-in-samples-from-chelonians-in-europe
#18
Ekaterina Kolesnik, Anna Obiegala, Rachel E Marschang
We tested samples from 1,015 chelonians in Europe for Mycoplasma spp., herpesviruses, ranaviruses, picornaviruses, and ferlaviruses by PCR. Mycoplasma spp. were detected in 42.1% and herpesviruses were detected in 8.0% of tested chelonians. Differentiation of the herpesviruses revealed that 46.9% of the detected chelonian viruses were testudinid herpesvirus 1 (TeHV-1) and 54.3% were TeHV-3, including co-detections of TeHV-1 and -3 in 3 tortoises. TeHV-4 was detected in a leopard tortoise ( Stigmochelys pardalis), and a herpesvirus that could not be further characterized was found in a pond slider ( Trachemys scripta)...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754073/tp53-gene-expression-levels-and-tumor-aggressiveness-in-canine-mammary-carcinomas
#19
Táya F Oliveira, Tábata Maués, Mariana S Ramundo, Agnes Marie S Figueiredo, Marcela F V de Mello, Kênia B El-Jaick, Maria de Lourdes G Ferreira, Ana Maria R Ferreira
The protein p53 is considered to be one of the most important tumor suppressor factors. Despite this importance, a potential association between TP53 messenger (m)RNA levels and tumor aggressiveness has not been well defined in animal cancer. We assessed and correlated TP53 gene expression in 40 canine mammary carcinomas with histologic grade, tumor size, and aggressiveness. The tumors were subjected to histologic analysis and the TP53 mRNA levels determined by RT-rtPCR. Statistical analysis revealed no correlation between levels of TP53 mRNA and tumor aggressiveness ( r = 0...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/28754069/axonal-spheroids-in-ovine-neuroaxonal-dystrophy-are-immunopositive-to-kinesin-and-dynein
#20
John W Finnie, Jim Manavis
Neuroaxonal dystrophy (NAD) is a neurologic disorder of sheep characterized by accumulation of numerous axonal swellings (spheroids) in specific regions of the brainstem and spinal cord. Disruption of axonal transport, which is driven in anterograde and retrograde directions by the molecular motors, kinesin and dynein, respectively, is believed to contribute to spheroid development. Accordingly, we examined spheroids in ovine NAD cases immunohistochemically for kinesin and dynein and found both motor proteins, with dynein more strongly expressed than kinesin...
July 1, 2017: Journal of Veterinary Diagnostic Investigation
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