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Equine Testing

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https://www.readbyqxmd.com/read/27929456/high-throughput-detection-of-respiratory-pathogens-in-animal-specimens-by-nanoscale-pcr
#1
Laura B Goodman, Renee R Anderson, Marcia Slater, Elen Ortenberg, Randall W Renshaw, Brittany D Chilson, Melissa A Laverack, John S Beeby, Edward J Dubovi, Amy L Glaser
Nanoliter scale real-time PCR uses spatial multiplexing to allow multiple assays to be run in parallel on a single plate without the typical drawbacks of combining reactions together. We designed and evaluated a panel based on this principle to rapidly identify the presence of common disease agents in dogs and horses with acute respiratory illness. This manuscript describes a nanoscale diagnostic PCR workflow for sample preparation, amplification, and analysis of target pathogen sequences, focusing on procedures that are different from microliter scale reactions...
November 28, 2016: Journal of Visualized Experiments: JoVE
https://www.readbyqxmd.com/read/27925007/viability-in-vitro-differentiation-and-molecular-characterization-of-equine-adipose-tissue-derived-mesenchymal-stem-cells-cryopreserved-in-serum-and-serum-free-medium
#2
B Merlo, S Pirondi, E Iacono, B Rossi, F Ricci, G Mari
BACKGROUND: The effect of freezing-thawing equine adipose tissue-derived mesenchymal stem cells (eATMSCs) have been poorly investigated. OBJECTIVE: This study is to test the influence of cryopreservation solution and temperature when adding the cryoprotectant for freezing eATMSCs, and to investigate the effects of cryopreservation on their stemness features. MATERIALS AND METHODS: Four freezing protocols were evaluated. Viability and proliferation ability of cryopreserved cells were investigated by MTT assay...
July 2016: Cryo Letters
https://www.readbyqxmd.com/read/27922211/transrectal-ultrasonography-of-equine-lumbosacral-nerves-pilot-study-in-28-healthy-warmblood-horses
#3
Pablo Espinosa, Philippe Benoit, Isabel Salazar, Jesús de la Fuente, Philippe Heiles
A noninvasive method for visualizing lumbosacral nerves would be helpful for horses with suspected lumbosacral plexopathy or injury. The aim of this prospective descriptive pilot study was to characterize the ultrasonographic appearance of the lumbosacral nerves in a sample of healthy horses, and expand on the technique for image acquisition. Horses were recruited for inclusion if they were determined to be healthy and sound based on clinical and lameness evaluation. Transrectal ultrasound images of the lumbosacral nerves (L6, S1, and S2) were obtained for both sides...
December 6, 2016: Veterinary Radiology & Ultrasound
https://www.readbyqxmd.com/read/27902739/degenerative-suspensory-ligament-desmitis-dsld-in-peruvian-paso-horses-is-characterized-by-altered-expression-of-tgf%C3%AE-signaling-components-in-adipose-derived-stromal-fibroblasts
#4
Wei Luo, John Sandy, Katie Trella, Daniel Gorski, Shuguang Gao, Jun Li, Sabrina Brounts, Jorge Galante, Anna Plaas
Equine degenerative suspensory ligament desmitis (DSLD) in Peruvian Paso horses typically presents at 7-15 years and is characterized by lameness, focal disorganization of collagen fibrils, and chondroid deposition in the body of the ligament. With the aim of developing a test for disease risk (that can be used to screen horses before breeding) we have quantified the expression of 76 TGFβ-signaling target genes in adipose-derived stromal fibroblasts (ADSCs) from six DSLD-affected and five unaffected Paso horses...
2016: PloS One
https://www.readbyqxmd.com/read/27901386/comparison-of-four-methods-for-generating-decellularized-equine-synovial-extracellular-matrix
#5
Nathalie A Reisbig, Hayam A Hussein, Erin Pinnell, Alicia L Bertone
OBJECTIVE To evaluate 4 methods for generating decellularized equine synovial extracellular matrix. SAMPLE Villous synovium harvested from the femoropatellar and medial femorotibial joints of 4 healthy adult horses < 7 years of age. Synovial samples were frozen (-80°C) until used. PROCEDURES Synovial samples were thawed and left untreated (control) or decellularized with 1 of 4 methods (15 samples/horse/method): incubation in 0.1% peracetic acid (PAA), incubation in 0.1% PAA twice, incubation in 1% Triton X-100 followed by incubation in DNase, and incubation in 2M NaCl followed by incubation in DNase...
December 2016: American Journal of Veterinary Research
https://www.readbyqxmd.com/read/27900987/effect-of-half-dose-and-standard-dose-conjugated-equine-estrogens-combined-with-natural-progesterone-or-dydrogesterone-on-components-of-metabolic-syndrome-in-healthy-postmenopausal-women-a-randomized-controlled-trial
#6
Wei Xue, Yan Deng, Yan-Fang Wang, Ai-Jun Sun
BACKGROUND: Menopausal hormone therapy (MHT) has been proven to have beneficial effects on several components of metabolic syndrome. However, the effects vary according to different regimens, dosages, and duration of MHT. The aim of the study was to evaluate the effect of standard-dose 0.625 mg conjugated equine estrogen (CEE) and half-dose 0.3 mg CEE daily with different progestogens in a continuous sequential regimen on postmenopausal metabolic parameters in generally healthy postmenopausal women...
2016: Chinese Medical Journal
https://www.readbyqxmd.com/read/27897990/how-to-meet-the-last-oie-expert-surveillance-panel-recommendations-on-equine-influenza-ei-vaccine-composition-a-review-of-the-process-required-for-the-recombinant-canarypox-based-ei-vaccine
#7
REVIEW
Romain Paillot, Nicola L Rash, Dion Garrett, Leah Prowse-Davis, Fernando Montesso, Ann Cullinane, Laurent Lemaitre, Jean-Christophe Thibault, Sonia Wittreck, Agnes Dancer
Vaccination is highly effective to prevent, control, and limit the impact of equine influenza (EI), a major respiratory disease of horses. However, EI vaccines should contain relevant equine influenza virus (EIV) strains for optimal protection. The OIE expert surveillance panel annually reviews EIV evolution and, since 2010, the use of Florida clade 1 and 2 sub-lineages representative vaccine strains is recommended. This report summarises the development process of a fully- updated recombinant canarypox-based EI vaccine in order to meet the last OIE recommendations, including the vaccine mode of action, production steps and schedule...
November 25, 2016: Pathogens
https://www.readbyqxmd.com/read/27894907/seroprevalence-and-spatial-distribution-of-toxoplasma-gondii-infection-in-cats-dogs-pigs-and-equines-of-the-fernando-de-noronha-island-brazil
#8
Fernando J R Magalhães, Müller Ribeiro-Andrade, Fátima M Souza, Carlos D F Lima Filho, Alexander Welker Biondo, Odilon Vidotto, Italmar Teodorico Navarro, Rinaldo A Mota
Little is known about toxoplasmosis in animals of the Fernando de Noronha Island, Brazil. Therefore, we investigated the prevalence of Toxoplasma gondii infection in the total population of pet cats (n=348), dogs (n=320), pigs (n=27), equines (n=101), as well as a significant portion of the population of feral cats (n=247) of the Island by Indirect Fluorescent Antibody Test. Anti-T. gondii IgG antibodies were found in 71.26%, 54.74%, 48.75%, 51.85% and 22.7%, of the pet and feral cats, dogs, pigs and equines, respectively, demonstrating a high prevalence of T...
November 25, 2016: Parasitology International
https://www.readbyqxmd.com/read/27894292/reliability-of-breath-by-breath-spirometry-and-relative-flow-time-indices-for-pulmonary-function-testing-in-horses
#9
K Burnheim, K J Hughes, D L Evans, S L Raidal
BACKGROUND: Respiratory problems are common in horses, and are often diagnosed as a cause of poor athletic performance. Reliable, accurate and sensitive spirometric tests of airway function in resting horses would assist with the diagnosis of limitations to breathing and facilitate investigations of the effects of various treatments on breathing capacity. The evaluation of respiratory function in horses is challenging and suitable procedures are not widely available to equine practitioners...
November 28, 2016: BMC Veterinary Research
https://www.readbyqxmd.com/read/27891041/spinal-intradural-hydatid-cyst-causing-arachnoiditis-a-rare-etiology-of-cauda-equina-syndrome
#10
Suyash Singh, Jayesh Sardhara, Amit Kumar Singh, Arun Kumar Srivastava, Kamlesh Singh Bhaisora, Kuntal Kanti Das, Anant Mehrotra, Rabi N Sahu, Awadhesh Kumar Jaiswal, Sanjay Behari
This study aims to focus on a rare presentation of spinal hydatid cyst as cauda equine syndrome and misdiagnosed as intradural extramedullary (IDEM) benign lesion on magnetic resonance imaging. In this article, we report a case of spinal hydatid cyst masquerading as IDEM tumor, and intraoperatively, we accidently find clumped granuloma with severe arachnoiditis and hydatid cyst in lumber region, which was present as bilateral S1 radiculopathy with cauda equina syndrome. An 11-year-old boy who presented with symptoms and signs of cauda equina syndrome and planned for surgical excision...
October 2016: Journal of Craniovertebral Junction and Spine
https://www.readbyqxmd.com/read/27889800/polymorphism-at-expressed-dq-and-dr-loci-in-five-common-equine-mhc-haplotypes
#11
Donald Miller, Rebecca L Tallmadge, Matthew Binns, Baoli Zhu, Yasmin Ali Mohamoud, Ayeda Ahmed, Samantha A Brooks, Douglas F Antczak
The polymorphism of major histocompatibility complex (MHC) class II DQ and DR genes in five common equine leukocyte antigen (ELA) haplotypes was determined through sequencing of mRNA transcripts isolated from lymphocytes of eight ELA homozygous horses. Ten expressed MHC class II genes were detected in horses of the ELA-A3 haplotype carried by the donor horses of the equine bacterial artificial chromosome (BAC) library and the reference genome sequence: four DR genes and six DQ genes. The other four ELA haplotypes contained at least eight expressed polymorphic MHC class II loci...
November 26, 2016: Immunogenetics
https://www.readbyqxmd.com/read/27876984/first-serological-study-of-equine-hydatidosis-in-iran
#12
Ehsanollah Sakhaee, Mehdi Golchin, Hamidreza Amiri, Mohammad Reza Fayed, Jamaladdin Eydi
Hydatidosis, is an important worldwide zoonotic disease caused by larval stages (metacestodes) of tapeworm parasites of the genus Echinococcus. The objective of the present study was to determine the seroprevalence of equine hydatidosis in Iran by latex agglutination test. This study also served to correlate sex and age with mentioned results in cases. Therefore, 193 serum samples were collected from clinically healthy horses at 9 race clubs in Kerman, Yazd and Golestan provinces, Iran. According to the results, antibodies against hydatidosis were detected in 6 sera (3...
December 2016: Journal of Parasitic Diseases: Official Organ of the Indian Society for Parasitology
https://www.readbyqxmd.com/read/27859814/black-rhinoceros-diceros-bicornis-and-domestic-horse-equus-caballus-hindgut-microflora-demonstrate-similar-fermentation-responses-to-grape-seed-extract-supplementation-in%C3%A2-vitro
#13
N F Huntley, H D Naumann, A L Kenny, M S Kerley
The domestic horse is used as a nutritional model for rhinoceros maintained under human care. The validity of this model for browsing rhinoceros has been questioned due to high prevalence of iron overload disorder (IOD) in captive black rhinoceros (Diceros bicornis), which is associated with high morbidity and mortality. Iron chelators, such as tannins, are under investigation as dietary supplements to ameliorate or prevent IOD in prone species. Polyphenolic compounds variably affect microbial fermentation, so the first objective of this experiment was to evaluate the effects of grape seed extract (GSE; a concentrated source of condensed tannins; CT) on black rhinoceros hindgut fermentation...
November 13, 2016: Journal of Animal Physiology and Animal Nutrition
https://www.readbyqxmd.com/read/27852816/occurrence-of-primary-lymphocytic-hypophysitis-in-two-horses-and-presence-of-scattered-t-lymphocytes-in-the-normal-equine-pituitary-gland
#14
Llorenç Grau-Roma, Robert Peckham, Jacqui Paton, Anina Stahel, Simone de Brot
The postmortem examination of a 14-year-old Appaloosa gelding with clinically diagnosed pituitary pars intermedia dysfunction showed a unique finding of moderate multifocal lymphocytic hypophysitis (LH). The pituitary glands of 24 horses submitted for postmortem examination were examined grossly and examined histologically for the presence of lymphocytes. Of these 23 horses, 1 additional case suffered from moderate LH. The 2 cases with LH tested negative for Equid herpesvirus 1 and 4 by polymerase chain reaction and immunohistochemistry (IHC), and no viral particles were observed by electron microscopy in 1 case examined...
November 15, 2016: Journal of Veterinary Diagnostic Investigation
https://www.readbyqxmd.com/read/27842717/mhc-correlated-preferences-in-diestrous-female-horses-equus-caballus
#15
D Burger, C Meuwly, E Marti, H Sieme, M Oberthür, J Janda, S Meinecke-Tillmann, C Wedekind
Genes of the major histocompatibility complex (MHC) have been shown to influence communication in many vertebrates, possibly with context-specific MHC-correlated reactions. Here we test for MHC-linked female preferences in the polygynous horse (Equus caballus) by repeatedly exposing 19 mares to a group of seven sexually experienced stallions. Each mare was tested four times during two consecutive reproductive cycles, twice during estrus and twice during diestrus. Male plasma testosterone concentrations were determined from weekly blood samples, and equine leukocyte antigen (ELA) class I and II alleles were determined serologically at the end of the experiments...
September 20, 2016: Theriogenology
https://www.readbyqxmd.com/read/27836048/a-survey-of-uk-prescribers-experience-of-and-opinions-on-anthelmintic-prescribing-practices-for-livestock-and-equines
#16
Stephanie Easton, Gina L Pinchbeck, David J Bartley, Emily Hotchkiss, Jane E Hodgkinson, Jacqueline B Matthews
The aim of this study was to determine practices, attitudes and experiences of UK prescribers of anthelmintics for horses and livestock. A questionnaire was sent by direct email to groups licenced to prescribe these medicines. These were veterinarians, Suitably Qualified Persons (SQPs, registered with the Animal Medicines Training Regulatory Authority) and veterinary pharmacists. The survey was also advertised through social media. It comprised questions relating to demographics, training experiences, current prescribing practices, as well as personal opinions on anthelmintic selection, diagnostics and anthelmintic resistance...
November 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27836047/a-study-of-leptospirosis-in-south-african-horses-and-associated-risk-factors
#17
V Simbizi, M N Saulez, A Potts, C Lötter, B Gummow
Most leptospiral infections in horses are asymptomatic; however, acute disease manifestations as well as reproductive failure and recurrent uveitis have been reported. In South Africa, the epidemiology of the disease in horses is not well documented. A serosurvey to determine what serovars were present in horses from Gauteng, KwaZulu-Natal and Western Cape Provinces and to get an estimate of the seroprevalence of leptospirosis was carried out from January 2013 until April 2014 with the assistance of four large equine hospitals located in these provinces...
November 1, 2016: Preventive Veterinary Medicine
https://www.readbyqxmd.com/read/27816621/degradation-intra-articular-retention-and-biocompatibility-of-monospheres-composed-of-pdlla-peg-pdlla-b-plla-multi-block-copolymers
#18
Maria J Sandker, Luisa F Duque, Everaldo M Redout, Alan Chan, Ivo Que, Clemens W G M Löwik, Evelien C Klijnstra, Nicole Kops, Rob Steendam, Rene van Weeren, Wim E Hennink, Harrie Weinans
In this study, we investigated the use of microspheres with a narrow particle size distribution ('monospheres') composed of biodegradable poly(DL-lactide)-PEG-poly(DL-lactide)-b-poly(L-lactide) multiblock copolymers that are potentially suitable for local sustained drug release in articular joints. Monospheres with sizes of 5, 15 and 30 μm and a narrow particle size distribution were prepared by a micro-sieve membrane emulsification process. During in vitro degradation, less crystallinity, higher swelling and accelerated mass loss during was observed with increasing the PEG content of the polymer...
November 2, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27809982/ivermectin-failure-in-the-control-of-oxyuris-equi-in-a-herd-of-ponies-in-france
#19
Guillaume Sallé, Jacques Cortet, Christine Koch, Thierry Gascogne, Fabrice Reigner, Jacques Cabaret
Drug resistance in equine gastro-intestinal parasitic nematodes has been reported throughout the world. While the focus is usually put on cyathostomins, observations of macrocylic lactone failure against Oxyuris equi have accumulated over the last decade. Here we report the failure of ivermectin in the control of O. equi in an experimental Welsh pony herd. In a first trial, 6 ponies previously drenched with moxidectin and showing patent O. equi infections were administered ivermectin and subsequently monitored for O...
October 15, 2016: Veterinary Parasitology
https://www.readbyqxmd.com/read/27789862/equine-disease-surveillance-quarterly-summary
#20
(no author information available yet)
of surveillance testing, April to June 2016Continuing reports of abortion due to equine herpesvirus type 1 infectionInternational disease occurrence in the second quarter of 2016These are among matters discussed in the most recent quarterly equine disease surveillance report, prepared by Defra, the Animal Health Trust and the British Equine Veterinary Association.
October 29, 2016: Veterinary Record
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