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Frontiers in Veterinary Science

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https://www.readbyqxmd.com/read/28540291/evaluation-of-two-dry-commercial-therapeutic-diets-for-the-management-of-feline-chronic-gastroenteropathy
#1
Sally C Perea, Stanley L Marks, Leighann Daristotle, Patricia E Koochaki, Richard Haydock
Management of feline chronic gastroenteropathies has included intervention with both veterinary therapeutic formulas designed to manage non-specific gastrointestinal disorders and those designed with limited novel or hydrolyzed ingredients for management of food-responsive enteropathies and steroid-responsive enteropathies (inflammatory bowel disease). There have been few studies evaluating the use of dietary intervention for the management of feline chronic gastroenteropathy. This prospective, multi-center study evaluated the use of two commercially available feline veterinary therapeutic dry diets designed to manage non-specific gastrointestinal disorders in 28 cats with a history of chronic vomiting and/or diarrhea...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28534031/incomplete-milking-in-early-lactation-does-not-affect-dairy-cows-resting-behaviors-results-from-a-randomized-controlled-trial
#2
Catarina Krug, Trevor J DeVries, Jean-Philippe Roy, Jocelyn Dubuc, Simon Dufour
The objective of this study was to investigate the effect of incomplete milking during the first 5 days of lactation on the resting behavior of commercial dairy cows. The hypothesis was that the elevated intramammary pressure resulting from milk retained in the udder in incompletely milked cows could lead to a change in lying behavior. This study was a randomized controlled trial in which cows from two farms were randomly allocated into a treatment (n = 18) or a control group (n = 14). Cows in the treatment group were milked incompletely (10-14 L/days) during the first 5 days of lactation, while cows in the control group were milked as usually done on farm...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28534030/combining-slaughterhouse-surveillance-data-with-cattle-tracing-scheme-and-environmental-data-to-quantify-environmental-risk-factors-for-liver-fluke-in-cattle
#3
Giles T Innocent, Lucy Gilbert, Edward O Jones, James E McLeod, George Gunn, Iain J McKendrick, Steve D Albon
Liver fluke infection causes serious disease (fasciolosis) in cattle and sheep in many regions of the world, resulting in production losses and additional economic consequences due to condemnation of the liver at slaughter. Liver fluke depends on mud snails as an intermediate host and infect livestock when ingested through grazing. Therefore, environmental factors play important roles in infection risk and climate change is likely to modify this. Here, we demonstrate how slaughterhouse data can be integrated with other data, including animal movement and climate variables to identify environmental risk factors for liver fluke in cattle in Scotland...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28512633/an-ambulatory-electroencephalography-system-for-freely-moving-horses-an-innovating-approach
#4
Hugo Cousillas, Martial Oger, Céline Rochais, Claire Pettoello, Mathilde Ménoret, Séverine Henry, Martine Hausberger
Electroencephalography (EEG) that has been extensively studied in humans presents also a large interest for studies on animal brain processes. However, since the quality of the recordings is altered by muscular activity, most EEG recordings on animals are obtained using invasive methods with deeply implanted electrodes. This requires anesthesia and can thus only be used in laboratory or clinical settings. As EEG is a very useful tool both for detecting brain alterations due to diseases or accidents and to evaluate the arousal and attentional state of the animal, it seemed crucial to develop a tool that would make such recordings possible in the horse's home environment, with a freely moving horse...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28507991/evaluation-of-bioequivalence-of-two-long-acting-20-oxytetracycline-formulations-in-pigs
#5
Zhixin Lei, Qianying Liu, Bing Yang, Saeed Ahmed, Jincheng Xiong, Tingting Song, Pin Chen, Jiyue Cao, Qigai He
The aim of this study was to explore the bioequivalence of long-acting oxytetracycline in two formulations, a reference formulation (Terramycin 20% LA, Pfizer) and a test one (Kangtekang 20% LA, Huishen). Both formulations were administered intramuscularly at 20 mg/kg body weight at each of 24 healthy animals during a two-period crossover parallel experimental design. The oxytetracycline (OTC) concentrations in plasma were measured by high-performance liquid chromatography, and the limit of quantification was 0...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28503553/elephant-initiated-interactions-with-humans-individual-differences-and-specific-preferences-in-captive-african-elephants-loxodonta-africana
#6
Zoë T Rossman, Clare Padfield, Debbie Young, Lynette A Hart
South Africa has seen a recent increase in the number of African elephants (Loxodonta africana) maintained in reserves and parks and managed in free contact, where they may spend a significant amount of time in close proximity to humans. This study investigates how individual elephants choose to initiate interactions with humans by examining whether interaction types and frequencies vary both between elephants and with regards to the category of human involved in the interaction. Observations were made on a herd of seven captive African elephants frequently exposed to elephant handlers (guides), volunteers (who carry out general observations for the park's research unit), and tourists...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28487859/prevalence-of-canine-obesity-obesity-related-metabolic-dysfunction-and-relationship-with-owner-obesity-in-an-obesogenic-region-of-spain
#7
J Alberto Montoya-Alonso, Inmaculada Bautista-Castaño, Cristina Peña, Lourdes Suárez, M Candelaria Juste, Asta Tvarijonaviciute
The main objective of this study was to evaluate the prevalence of canine obesity and obesity-related metabolic dysfunction (ORMD) in the obesogenic area in Spain. The prevalence of overweight/obesity among owners of obese pets was also evaluated. In the sample population studied (93 client-owned dogs), 40.9% of dogs presented obesity (body condition score 7-9/9), 40.9% of dogs presented hypertension, 20.4% of dogs presented fasting hypertriglyceridemia, 20.4% fasting hypercholesterolemia, and 5.4% of dogs presented fasting hyperglycemia...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28484704/within-flock-population-dynamics-of-dichelobacter-nodosus
#8
Edward M Smith, Andrew Gilbert, Claire L Russell, Kevin J Purdy, Graham F Medley, Mohd Muzafar, Rose Grogono-Thomas, Laura E Green
Footrot causes 70-90% of lameness in sheep in Great Britain. With approximately 5% of 18 million adult sheep lame at any one time, it costs the UK sheep industry £24-84 million per year. The Gram-negative anaerobe Dichelobacter nodosus is the causative agent, with disease severity influenced by bacterial load, virulence, and climate. The aim of the current study was to characterize strains of D. nodosus isolated by culture of swabs from healthy and diseased feet of 99 ewes kept as a closed flock over a 10-month period and investigate persistence and transmission of strains within feet, sheep, and the flock...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28484703/the-ilocos-norte-communities-against-rabies-exposure-elimination-project-in-the-philippines-epidemiological-and-economic-aspects
#9
Loida M Valenzuela, Sarah I Jayme, Anna Charinna B Amparo, Louise H Taylor, Maria Pinky Z Dela Cruz, Dianne A Licuan, Rosebelle Gamal-Bitao, Louis H Nel
As canine rabies control in Africa and Asia transitions from research-led proof-of-concept studies to government-led programs for elimination, experience and evidence of their impact and costs must be shared for the benefit of future programs. The Ilocos Norte Communities against Rabies Exposure project was implemented in April 2012 by the provincial veterinary and health offices and supported by many other partners. It delivered a comprehensive dog vaccination program and increased awareness of the need for postexposure prophylaxis (PEP), aiming to eliminate human and animal rabies cases from Ilocos Norte by 2015...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28484702/expression-dynamics-of-innate-immunity-in-influenza-virus-infected-swine
#10
María Montoya, Emanuela Foni, Alicia Solórzano, Elisabetta Razzuoli, Massimiliano Baratelli, Dania Bilato, Lorena Córdoba, Maria Angeles Martín Del Burgo, Jorge Martinez, Pamela Martinez-Orellana, Chiara Chiapponi, David S Perlin, Gustavo Del Real, Massimo Amadori
The current circulating swine influenza virus (IV) subtypes in Europe (H1N1, H1N2, and H3N2) are associated with clinical outbreaks of disease. However, we showed that pigs could be susceptible to other IV strains that are able to cross the species barrier. In this work, we extended our investigations into whether different IV strains able to cross the species barrier might give rise to different innate immune responses that could be associated with pathological lesions. For this purpose, we used the same samples collected in a previous study of ours, in which healthy pigs had been infected with a H3N2 Swine IV and four different H3N8 IV strains circulating in different animal species...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28470003/optimizing-fluorescein-isothiocyanate-dextran-measurement-as-a-biomarker-in-a-24-h-feed-restriction-model-to-induce-gut-permeability-in-broiler-chickens
#11
Mikayla F A Baxter, Ruben Merino-Guzman, Juan D Latorre, Brittany D Mahaffey, Yichao Yang, Kyle D Teague, Lucas E Graham, Amanda D Wolfenden, Xochitl Hernandez-Velasco, Lisa R Bielke, Billy M Hargis, Guillermo Tellez
Fluorescein isothiocyanate dextran (FITC-d) is a 3-5 kDa marker used to measure tight junction permeability. We have previously shown that intestinal barrier function can be adversely affected by stress, poorly digested diets, or feed restriction (FR), resulting in increased intestinal inflammation-associated permeability. However, further optimization adjustments of the current FITC-d methodology are possible to enhance precision and efficacy of results in future. The objective of the present study was to optimize our current model to obtain a larger difference between control and treated groups, by optimizing the FITC-d measurement as a biomarker in a 24-h FR model to induce gut permeability in broiler chickens...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28470002/veterinarians-and-humane-endings-when-is-it-the-right-time-to-euthanize-a-companion-animal
#12
Oliver Knesl, Benjamin L Hart, Aubrey H Fine, Leslie Cooper, Emily Patterson-Kane, Kendall Elizabeth Houlihan, Raymond Anthony
Current advances in technologies and treatments provide pet owners and veterinarians with more options for prolonging the life of beloved pets, but can simultaneously lead to ethical dilemmas relating to what is best for both animal and owner. Key tools for improving end-of-life outcomes include (1) sufficient training to understand the valid ethical approaches to determining when euthanasia is appropriate, (2) regular training in client communication skills, and (3) a standard end-of-life protocol that includes the use of quality of life assessment tools, euthanasia consent forms, and pet owner resources for coping with the loss of a pet...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28459053/epidural-gas-accumulation-in-connection-with-canine-degenerative-lumbosacral-disease
#13
Ditte Skytte, Hugo Schmökel
Three dogs were presented with lumbosacral hyperesthesia. Computerized tomography scans were performed in all the cases, and magnetic resonance imaging was also performed in cases 1 and 3. There was intervertebral disc (IVD) protrusion causing nerve root compression and epidural gas accumulation in all the three cases. The gas-filled cystic structures in cases 1 and 3 were within the spinal canal; in case 2, the gas was within the disc protrusion. The IVD vacuum phenomenon is relatively common in dogs, but the formation of an epidural gas accumulation in cases of a lumbar disc protrusion is rare...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28459052/development-of-a-piglet-grimace-scale-to-evaluate-piglet-pain-using-facial-expressions-following-castration-and-tail-docking-a-pilot-study
#14
Abbie V Viscardi, Michelle Hunniford, Penny Lawlis, Matthew Leach, Patricia V Turner
Facial expressions are increasingly being used to assess pain in non-human species, including rodents, horses, and lambs. The development of these species-specific grimace scales has allowed for more rapid pain detection, which can lead to better animal welfare if intervention promptly occurs. For grimace scales to ever be used as a stand-alone measure of pain, it is important they correlate with established pain assessment tools, such as behavioral analysis. This preliminary study aimed to determine whether piglets exhibit pain grimacing and if these facial expressions correlate with their behavior...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28451590/molecular-signaling-of-progesterone-growth-hormone-wnt-and-her-in-mammary-glands-of-dogs-rodents-and-humans-new-treatment-target-identification
#15
REVIEW
Elpetra P M Timmermans-Sprang, Ana Gracanin, Jan A Mol
Mammary tumors are the most common form of neoplasia in the bitch. Female dogs are protected when they are spayed before the first estrus cycle, but this effect readily disappears and is already absent when dogs are spayed after the second heat. As the ovaries are removed during spaying, ovarian steroids are assumed to play an essential role in tumor development. The sensitivity toward tumor development is already present during early life, which may be caused by early mutations in stem cells during the first estrus cycles...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28451589/rabies-vaccination-targets-for-stray-dog-populations
#16
Tiffany Leung, Stephen A Davis
The role of stray dogs in the persistence of domestic dog rabies, and whether removal of such dogs is beneficial, remains contentious issues for control programs seeking to eliminate rabies. While a community might reach the WHO vaccination target of 70% for dogs that can be handled, the stray or neighborhood dogs that are too wary of humans to be held are a more problematic population to vaccinate. Here, we present a method to estimate vaccination targets for stray dogs when the dog population is made up of stray, free-roaming, and confined dogs, where the latter two types are considered to have an identifiable owner...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28443290/comparison-of-a-supraglottic-airway-device-v-gel-%C3%A2-with-blind-orotracheal-intubation-in-rabbits
#17
Sarah Engbers, Amy Larkin, Nicolas Rousset, Melanie Prebble, Mahesh Jonnalagadda, Cameron G Knight, Daniel S J Pang
INTRODUCTION: Achieving a secure airway in rabbits is generally considered more difficult than in cats or dogs. Their relatively large tongue, small oropharyngeal cavity and glottis limit direct visualization. A rabbit-specific supraglottic airway device (SGAD) may offer benefits over blind orotracheal intubation. ANIMALS AND METHODS: Fifteen adult New Zealand white rabbits were randomized to SGAD or orotracheal intubation (ETT). All animals were sedated with dexmedetomidine (0...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28443289/frequency-and-duration-of-fecal-shedding-of-salmonella-enteritidis-by-experimentally-infected-laying-hens-housed-in-enriched-colony-cages-at-different-stocking-densities
#18
Richard K Gast, Rupa Guraya, Deana R Jones, Kenneth E Anderson, Darrin M Karcher
Human infections with Salmonella Enteritidis are often attributed to the consumption of contaminated eggs, so the prevalence of this pathogen in egg-laying poultry is an important public health risk factor. Numerous and complex environmental influences on Salmonella persistence and transmission are exerted by management practices and housing facilities used in commercial egg production. In recent years, the animal welfare implications of poultry housing systems have guided the development of alternatives to traditional cage-based housing, but their food safety consequences are not yet fully understood...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28428958/debromoaplysiatoxin-as-the-causative-agent-of-dermatitis-in-a-dog-after-exposure-to-freshwater-in-california
#19
Birgit Puschner, Adrienne C Bautista, Chris Wong
Contamination of recreational waters with cyanobacterial toxins continues to increase and presents a risk to animals and humans. Although cases of acute hepato- and neurotoxicoses in dogs following cyanotoxin exposure exist, no reports of skin-related reactions in dogs exist. A 5-year-old female spayed 34 kg Bracco Italiano was initially presented for rapid onset of severe pruritus and urticaria. Marked excoriation and erythema were noted over the chest and neck, while urticaria was noted in the inguinal regions and ventral abdomen...
2017: Frontiers in Veterinary Science
https://www.readbyqxmd.com/read/28424778/estimation-of-time-dependent-reproduction-numbers-for-porcine-reproductive-and-respiratory-syndrome-across-different-regions-and-production-systems-of-the-us
#20
Andréia G Arruda, Moh A Alkhamis, Kimberly VanderWaal, Robert B Morrison, Andres M Perez
Porcine reproductive and respiratory syndrome (PRRS) is, arguably, the most impactful disease for the North American swine industry, due to its known considerable economic losses. The Swine Health Monitoring Project (SHMP) monitors and reports weekly new PRRS cases in 766 sow herds across the US. The time-dependent reproduction number (TD-R) is a measure of a pathogen's transmissibility. It may serve to capture and report PRRS virus (PRRSV) spread at the regional and system levels. The primary objective of the study here was to estimate the TD-R values for PRRSV using regional and system-level PRRS data, and to contrast it with commonly used metrics of disease, such as incidence estimates and space-time clusters...
2017: Frontiers in Veterinary Science
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