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Evaluation of plant commercial feed additives for equine cyathostomin control. J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-09-17 J Malsa,F Reigner,M Riou,A Gesbert,F Guégnard,N Perrot,D Serreau,G Fleurance,G Sallé
The increasing emergence of anthelmintic-resistant parasitic isolates prompts us to reassess the management of intestinal strongylosis in horses. Additionally, societal demand is shifting toward reducing the use of chemical treatments, aligning with environmentally-friendly practices and the exploration of natural alternatives. In this context, we provide an initial view of the antiparasitic activity
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Effects of different shoeing conditions on equine cervical and back kinematics during walking and trotting on a soft surface. J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-09-12 S Caure,P Dendauw,L Thesee,E Villedey,A Malinvaud,M Cousty,V Prie,K Horan,R Weller
There is a paucity of scientific data on the effect of shoeing on equine neck and back kinematics during locomotion over commonly used sand training surfaces. A better appreciation of how alterations at hoof-ground interface influence equine upper body movements is relevant for improving horse's health and performance. Our objectives were to determine the effects of different shoeing conditions on
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Straight from the horse's mouth: The effect of different feedstuffs on oral pH in horses and ponies J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-09-04 S.P. Daniels, E.J. Whiteside, S. Martin, M.J.S. Moore-Colyer, P. Harris
Feedstuffs, especially ensiled forage, may be detrimental to equid oral health by exposing the oral cavity to low pH. This study aimed to identify if salivary pH was altered by 1) a range of different feedstuffs and (2) specifically by feeding haylages with differing nutrient profiles. Two studies were conducted. The first measured oral pH following five feedstuffs, (hay, haylage, unmolassed sugarbeet
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Effects of storage-handling methods on nutrient analysis of fresh-forage samples J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-09-04 B.S. Kerley, P. Harris, K. Lea, M. McClendon, A.A. Adams
Forage low in nonstructural carbohydrates (NSC) is recommended for insulin dysregulated (ID) horses, indicating the importance of an accurate forage analysis. However, it remains to be fully understood how handling forage samples pre-analysis impacts nutrient values. The objective of this study was to compare the effect of fresh-forage storage-handling methods: microwave-oven (MO; 9kw; 70s then stored
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Intra-uterine injection of amnion-derived acellular bioscaffold product in mares, a description of systemic and intra-uterine effects over 21 days J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-30 Dale Kelley, Stephanie Walbornn, Christine Bartley, Jamie Kaczor, Christopher Premanandan, Nathaniel Newton, Robert Holland, Maria Schnobrich
Amnion-derived acellular bioscaffold (ADABP) products demonstrate interesting anti-inflammatory and healing properties which could be beneficial for intrauterine use. The objective of this study was to evaluate the safety of intrauterine injection of ADABP on systemic and uterine health. The study design randomly assigned subjects to one of two groups, control mares ( = 3) which received 3 mL injection
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Studies in vitro of equine intestinal glucagon-like peptide-2 secretion J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-26 P.E.M. Sibthorpe, D.M. Fitzgerald, M.N. Sillence, M.A. de Laat
Equine insulin dysregulation (ID) is a significant metabolic problem because the hyperinsulinaemia that develops increases the animal's risk of developing laminitis, a debilitating foot condition. The role of gastrointestinal factors, such as incretin hormones, in the pathogenesis of ID and hyperinsulinaemia in horses is poorly understood, particularly in comparison to other species. Glucagon-like
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Esophageal perforation diagnosis, treatment, complications, and outcome in a Standardbred colt J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-25 Myriah Albrecht, Katherine Cole MacGillivray, Beatriz Juez, Russell Freeland
A 4.5-month-old Standardbred colt presented for neck swelling and fever. Endoscopy and contrast radiography identified a full thickness esophageal perforation. Surgical intervention with fasciotomies and placement of an esophageal feeding tube was elected. Intensive postoperative treatment was carried out with broad-spectrum antibiotics, gastroprotectants and probiotics, calculated feeding plan, esophagostomy
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Biomechanical and histological variables differ by site but not by lameness in equine digital cushion samples from forelimbs J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-23 J. Damone, L. Bass, B. Gadomski, S. Rao, C. Frank, V.J. Moorman
The equine digital cushion (DC) has been a poorly understood structure regarding its mechanical properties and composition. The objective of this study was to develop a sampling technique and to compare the biomechanical and histologic properties of DC between lame and non-lame forelimbs. Both forefeet from horses with induced carpal lameness were radiographed prior to humane euthanasia. Radiographs
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Digital video analysis reveals gait parameters that predict performance in the jumping test phase of three-day eventing J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-17 L.T. Johns, M.P. Smythe, L.S. Dewberry, E.A. Staiger, K. Allen, S.A. Brooks
In international equestrian sport, visual inspections assess gait and lameness to protect the welfare of performance horses during competition. Horses competing internationally in three-day eventing must pass two mandatory inspections (pre-competition and post-cross country) before attempting the final phase: the jumping test (JT). We hypothesized that digitally quantifying objective gait parameters
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Environmental conditions in equine indoor arenas: A descriptive study J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-16 S. McGill, R. Coleman, M. Hayes
Indoor arenas do not always include mechanical ventilation or stirring fans and occupancy by horses and humans can be sporadic and inconsistent, which creates a challenging space for understanding and predicting variations in temperature, moisture, and airflow. To understand the interior environment within indoor arenas, monitoring was conducted at 15 facilities within 200 kilometres of Lexington,
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Effect of Mitoquinone on sperm quality of cryopreserved stallion semen J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-14 Ahmed R. Elkhawagah, Gian Guido Donato, Mariagrazia Poletto, Nicola A. Martino, Leila Vincenti, Laura Conti, Denis Necchi, Tiziana Nervo
This study aimed to investigate the effect of mitochondria-targeted antioxidants (Mitoquinone, MitoQ) on the quality of frozen-thawed stallion semen. Semen samples collected from three fertile stallions aged 10 - 13 years, were filtered, centrifuged in a skimmed milk-based extender, and diluted to a final concentration of 50 × 106 sperm/mL in freezing medium. Diluted semen was divided into five experimental
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Factors affecting pregnancy rates in mares bred with cryopreserved semen J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-14 L. Pasch, D. Stefanovski, T. Dobbie, G. Lewis, R.M. Turner
Historically, 8 × 0.5 ml straws, containing approximately 800 million sperm and 250 million progressively motile sperm were provided as a single ‘breeding dose’ of cryopreserved stallion semen. With the use of deep horn artificial insemination, there is a trend to reduce the number of 0.5 ml straws sold as a breeding dose, sometimes down to as little as one straw. Our aims were to determine if the
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Equine uterine sanitizer: in vitro inhibition of endometritis-causing microorganisms and its stability to dilute antibiotics J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-12 Mariana P. Mazzuchini, Fernando P. Lisboa, Lorenzo G. Segabinazzi, Igor F. Canisso
Endometritis is the leading cause of mare subfertility. Most mares respond to standard therapy, but alternative therapies have been developed for mares failing to respond. This study aimed to investigate a commercially available, yet unassessed, product labeled as a uterine sanitizer to determine the antimicrobial activity against microorganisms associated with endometritis and its stability to dilute
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Assessment of fetal development during mid and late term pregnancies by standard B-Mode ultrasonography in Shetland ponies J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-12 Lisa-Hélène Wagner, Jörg Aurich, Svenja Claaßen, Maria Melchert, Martim Kaps, Christine Aurich
Transrectal and transabdominal ultrasonography is an established method to monitor pregnancy, fetal growth and wellbeing in different species. Growth charts with multiple bio-morphometric parameters to estimate days of gestation and days before parturition exist in small companion animals, sheep and goats, riding type horses and large ponies but not in small horse breeds like Shetland ponies. The aim
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Equine scientist receives international acclaim for biological research J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-08-09 O.J. Ginther
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Carbohydrate digestion in the stomach of horses grazed on pasture, fed hay or hay and oats J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-27 Martin Bachmann, Gerald Fritz Schusser, Monika Wensch-Dorendorf, Caroline Pisch, Mandy Bochnia, Milena Marie Santo, Hanna Netzker, Gerhard Woitow, Jens Thielebein, Stefan Kesting, Gerhard Riehl, Jörg Michael Greef, Karin Heinichen, Annette Zeyner
Concentrations of starch, mono- and disaccharides, fructans, hemicellulose and cellulose were analysed in feed and gastric digesta of horses in relation to acid insoluble ash as a marker indigestible in the stomach. Twenty-four horses were allocated to pasture 24 h/d (PST; = 4), hay ad libitum (HAY; = 8), hay ad lib. and oats at 1 g starch/kg body weight (BWT)/meal (OS1; = 6) and hay ad lib. and oats
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Prevalence of insulin dysregulation in the non-obese stock-type horse and relationship with morphometric neck measurements J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-26 C.P. Heaton, C.A. Cavinder, E.N. McClure, T. Smith, W.B. Smith, N. Liburt, A. Krotky, P. Harris
Insulin dysregulation (ID), core to equine metabolic syndrome, may present without obesity. Testing for ID risk is commonly based on breed and obese phenotype but might be valuable for non-obese stock-type horses. This study aimed to determine the prevalence of ID in non-obese stock-type horses and evaluate if morphometric neck measurements (MNM) correlate with ID. Sixty-two, non-obese (BCS 5, range
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Multiple congenital musculoskeletal abnormalities in a mule foal: A case report J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-24 Irene Nocera, Chiara Di Franco, Benedetta Sorvillo, Micaela Sgorbini, Rebecca Moroni, Stefano Patroncini, Simonetta Citi
Musculoskeletal abnormalities in neonate equids represent a common condition, which includes angular limb deformities, defective carpal/tarsal bone ossification, contracted limb and mandibular/maxillary prognathism. The present case report described the presentation and surgical management of multiple musculoskeletal abnormalities in a mule foal. A newborn mule foal was presented for several musculoskeletal
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Concentration of Marbofloxacin in equine subcutaneous tissue fluid after subcutaneous administration in encapsulated microparticles J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-15 Hiroshi Mita, Taisuke Kuroda, Yohei Minamijima, Norihisa Tamura, Minoru Ohta
Surgical-site infections (SSIs) at implant sites in horses are sometimes difficult to control with systemic antimicrobials. Because one of the likely reasons is insufficient antimicrobial concentrations, there is a need to increase these concentrations in and around the infected tissue. Marbofloxacin (MAR)-encapsulated microparticles (MAR-MPs) made of biodegradable poly (lactic-co-glycolic) acid are
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Characterizing hay buying and feeding practices and attitudes among Pennsylvania horse owners J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-03 Laura B. Kenny, Danielle N. Smarsh
Existing data on the equine hay market and buying preferences in Pennsylvania (PA) is outdated and more recent data is needed. The objective of this project was to characterize the practices and attitudes of PA horse hay buyers. An online survey was created and distributed. It received 435 total responses (of these, 346 were complete responses) from PA horse hay buyers from October 2021 to February
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Lyophilization as an alternative for conservation of equine plasma as a source of immunoglobulin G for neonatal foals J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-02 G.G. Sobral, O.C. Gomes Neto, T.C. Lima, G.F. Carneiro
Providing plasma with immunoglobulins is essential for the health of foals with failure of passive transfer of immunity. The use of lyophilized plasma (LP) offers a simple and affordable option in terms of transportation and storage. This study aimed to measure the concentrations of immunoglobulin G (IgG), total protein (TP), and total solids (TS) in fresh equine plasma before and after lyophilization
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Suspected envenomation by the common European adder (Vipera berus berus) in 28 horses in Finland J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-01 V. Leppänen, A. Mykkänen
is the only venomous snake present in the Nordic countries and cases of envenomation in horses are reported during the warmer months. Little is known about the presentation, treatment and survival of horses with common European adder envenomation.
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A demographic and performance assessment of horses used in draw-based Intercollegiate Horse Shows Association competitions J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-07-01 Hannah A. Price, Alyssa A. Logan, Alyson J. Snyder, Ariel H. Higgins
Intercollegiate Horse Show Association (IHSA) competitions evaluate riders on equitation and skills when riding randomly drawn horses. This study considered demographic and competition-related variables of horses involved in IHSA competitions, and their correlation to performance through points accumulated. Demographics were recorded for fifty-nine horses in two-day Hunter Seat and Western IHSA shows
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Fluctuations in equine cutaneous pH and transepidermal water loss with time of day and ambient conditions J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-29 D.R. Discepolo, E. Gaare, G. Handlos, E.B. Perry
Cutaneous pH and transepidermal water loss (TEWL) are commonly utilized measures in dermatological research as they provide information concerning barrier function. The importance of dermal health has become more evident in recent years. Accordingly, the aim of this work was to identify natural fluctuations in the biophysical parameters of healthy equine skin. Cutaneous pH and TEWL was collected on
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Prevalence of squamous gastric disease in Colombian equids at slaughter: A postmortem comparative study among horses, donkeys and mules J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-29 Angie L. Medina B․, Rafael R. Faleiros, José R. Martínez A․
Equine Gastric Ulcer Syndrome (EGUS) occurs with variable prevalence in horses, donkeys, and mules. Due to the particularities of the mucous membranes, the syndrome is made up of Squamous Gastric Disease (ESGD) and Glandular Gastric Disease (EGGD). Given the multifactorial nature and multiple classification systems of the syndrome, significant differences have been reported between prevalence studies
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Effect of novel lyophilized extenders on stallion post-thaw sperm motility J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-28 Márcio M. Nunes, João Rafael C. Gurgel, Maria Luiza Munhoz, Valdemar de Giuli Jr., Gustavo F. Carneiro, Marcelo H. Miragaya, M. Florencia Gallelli, José D. Guimaraes
The aim of this study was to assess the effect of lyophilized freezing extenders, which can be stored at room temperature, on stallion post-thaw sperm total motility (TM). Ejaculates of 28 stallions were frozen with four different extenders: two commercial freezing extenders offered worldwide and two novel lyophilized extenders (STAR and MX3), and two different cryopreservation protocols (CP1 with
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Employment in the equine industry in 2022: Insights into career types, salaries, and benefits J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-28 Hannah L. Lochner, Aubrey L. Jaqueth, W. Burton Staniar, Krishona L. Martinson
The equine industry contributes $74 billion and provides 1.3 million jobs annually to the United States economy. However, limited information is available on the current salaries and benefits of equine professionals. In 2022, an online survey was conducted to assess salaries, benefits, and education levels of equine professionals across several career types in the equine industry. The survey consisted
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Physiological comparison of conditioned and non-conditioned university horses following semester break J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-28 J.M. Stellmack, A.A. Logan, A.H. Higgins, R.M. Hoffman
Periods of limited activity during semester break may reduce performance during return to ridden work. This study evaluated fitness and muscling of horses when returning to work, following a 12-week period during which horses either continued (conditioned) or discontinued (non-conditioned) ridden work. It was hypothesized that non-conditioned horses would have a lower level of fitness, resulting in
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Microbial populations vary between the upper and lower respiratory tract, but not within biogeographic regions of the lung of healthy horses J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-27 Rebecca C. Bishop, Alessandro Migliorisi, Jessica R. Holmes, Ann M. Kemper, Mark Band, Scott Austin, Brian Aldridge, Pamela A. Wilkins
Understanding normal microbial populations within areas of the respiratory tract is essential, as variable regional conditions create different niches for microbial flora, and proliferation of commensal microbes likely contributes to clinical respiratory disease. The objective was to describe microbial population variability between respiratory tract locations in healthy horses. Samples were collected
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Bacillus toyonensis amplifies the immunogenicity of an experimental recombinant tetanus vaccine in horses J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-22 Mayara Caetano Abreu, Neida Lucia Conrad, Vitória Sequeira Gonçalves, Fábio Pereira Leivas Leite
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A survey of general road transportation: How and why horses are transported in the U.S. J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-22 Erica T Jacquay, Patricia A Harris, C. Jill Stowe, Bridgett J McIntosh, Amanda A Adams
Horses are regularly transported in the United States (U.S.); however, how, and why horses travel by road has not been explored. Consequently, an online nationwide survey was conducted to understand 1) the most common reasons for travel; 2) the types of journeys undertaken when being transported by road in the U.S. and 3) the general management practices when transporting for 3 h or less. Responses
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Welfare and stress assessment of tourism carriage horses under real working conditions in Sicily J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-22 Francesca Arfuso, Maria Rizzo, Federica Arrigo, Francesco Francaviglia, Laura Perillo, Pietro Schembri, Luigi Emiliano Maria Zumbo, Rosaria Disclafani, Giuseppe Piccione, Vincenzo Monteverde
Animal welfare has become an increasingly important concern regarding equids working as carriage animals. In the present study, the changes in the markers of stress and inflammatory responses as a result of the work performed by tourism carriage horses under real working conditions in Sicily (Italy) were investigated. Twenty-two Standardbreds performed a normal working day in the carriage tourism business
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Metagenomic characterization of the equine endometrial microbiome during anestrus J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-21 B.A. Heil, M. van Heule, S.K. Thompson, T.A. Kearns, K.F. Beckers, E.L. Oberhaus, G. King, P. Daels, P. Dini, J.L. Sones
The equine uterus is highly interrogated during estrus prior to breeding and establishing pregnancy. Many studies in mares have been performed during estrus under the influence of high estrogen concentrations, including the equine estrual microbiome. To date, it is unknown how the uterine microbiome of the mare is influenced by cyclicity; while, the equine vaginal microbiome is stable throughout the
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Chewing analysis of horses consuming bermudagrass hay in different styles of slow feeders as compared to loose hay J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-20 R. Hart, A. Bailey, J. Farmer, K. Duberstein
Mastication is the initial phase of digestion and is crucial to equine health due to its role in saliva production and food particle reduction. Hay nets have been promoted to slow the rate of hay consumption, with many styles of slow feeders available. Limited research has shown that nets may slow consumption, but no research has examined their effect on the horse's chewing frequency and patterns.
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A case of a twin surviving to term following the abortion of its co-twin at 9 months in an Arabian mare J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-17 M.K. Derbala, M.A.N. Sargious, N.M. Hagag, J.F. Pycock, A.M. Abu-Seida
Twin pregnancy in mares is one of the leading causes of abortions. Abortion invariably impacts both fetuses. This report describes an unusual case of a twin surviving to term following the abortion of its co-twin at 9 months in a 7-year-old Egyptian Arabian mare. At the time of abortion at 9 months of gestation, the size of the aborted fetus was equivalent to one of approximately 5 months of age while
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Identifying the immunoglobulin G transporter in equine tissues: A look at the neonatal Fc receptor J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-13 M.C. Guenther, P.P. Borowicz, M.R. Hirchert, P.L. Semanchik, J.L. Simons, J. Fridley, S.H. White-Springer, C.J. Hammer
The neonatal Fc receptor (FcRn) is the receptor responsible for bidirectional transport of immunoglobulin G (IgG) across cells, maintenance of IgG levels in serum, and assisting with antigen presentation. Unfortunately, little is known about FcRn in horses. Therefore, the objective of this study was to provide fundamental information regarding the location of FcRn in equine tissues. Tissues were collected
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A review of equine anesthetic induction: Are all equine anesthetic inductions “crash” inductions? J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-13 John A.E. Hubbell, William W. Muir III, Emma Gorenberg, Klaus Hopster
Horses are the most challenging of the common companion animals to anesthetize. Induction of anesthesia in the horse is complicated by the fact that it is accompanied by a transition from a conscious standing position to uncconconscious recumbency. The purpose of this article is to review the literature on induction of anesthesia with a focus on the behavioral and physiologic/pharmacodynamic responses
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Pectin-honey hydrogel to prevent laparotomy surgical site infection in horses: A pilot study J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-08 Marco Gandini, Anna Cerullo, Gessica Giusto
Surgical site infection (SSI) is a common complication after celiotomy in horses, leading to increased morbidity and costs. Increased concern about antibiotic resistance justifies evaluation of alternative preventive approaches, such a Manuka honey which has displayed antimicrobial properties. Pectin-Honey Hydrogels (PHH), composed by Manuka honey and pectin provide a moist wound environment and microbial
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Urothelial carcinoma in a mule J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-08 A.C. Valim, A.M.D. Costa, J.G. Quitzan, A.S. Borges, J.P. Oliveira-Filho, R.M. Amorim, D.G.A. Andrade
Equine bladder neoplasms are rare. This report aimed to describe the clinical signs and treatment of urothelial carcinoma (UC) in a mule. Cystoscopy of a 20-year-old female mule with a one-week history of hematuria and anemia revealed vascular congestion in the mucosa and an intraluminal, pedunculated mass in the dorsal bladder region. Histopathological examination revealed UC. Initial therapy consisted
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Dry matter concentration, particle size distribution and sand presence in faeces from horses with and without colic J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-07 Cecilia E. Müller
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Limited association between stallion-like behavior and hormonal indicators of testicular remnants in geldings J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-07 K. Omyla, A. Conley, D. Varner, P. Dini
Persistent stallion-like behavior is a common sign of cryptorchidism in supposed geldings. The presence of testicular tissue can be evaluated by analyzing hormones such as testosterone and anti-Müllerian hormone (AMH). Here, we used hormonal analysis to investigate relationships between the likely presence of testicular tissue and stallion-like behavior in samples submitted from presumptive geldings
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Tropical grass digestibility assessed by the mobile bag and in vitro methods in horses J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-06-04 A.H. Silva, J.E.C. Lucena, F.M.P. Taran, D.S. Cunha, J.A.T. Almeida, R.S. Lima, W.S. Dias, J.M. Santiago
This study aimed to compare the digestibility of tropical grasses by horses by the method using mobile nylon bags with the digestibility method using horse feces as a source of inoculum. Five horses were used in a 2 × 5 factorial design with randomized blocks featuring two methods ( and ) and five grasses: Tifton 85 hay ( spp.), sixweeks threeawn grass ( Linn), Alexandergrass ( (Link) Hitchc.), capim-de-raiz
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Using infrared thermography for the evaluation of road transport thermal homeostasis in athletic horse J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-28 Francesca Aragona, Francesca Arfuso, Maria Rizzo, Francesco Fazio, Giuseppe Acri, Giuseppe Piccione, Claudia Giannetto
This study aimed to evaluate changes in body temperature in athletic horses during two different road transport distances. Six Italian Saddle horses were subjected to a 100 and 300 km transport during different times of day (am and pm). Rectal and cutaneous temperatures were recorded before (T0), immediately (following 5 min- T1) and 1 hour (T2) after transport by means of a rectal digital thermometer
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Effect of sperm treatment with lysolecithin on in vitro outcomes of equine intracytoplasmic sperm injection J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-28 L. Aguila, P. Cabrera, ME. Arias, M. Silva, R. Felmer
Intracytoplasmic sperm injection (ICSI) in horses is currently employed for clinical and commercial uses, but the protocol could be optimized to improve its efficiency. We have hypothesized that destabilization of plasma and acrosomal membranes prior to injection would positively impact the developmental potential of equine zygotes generated by ICSI. This study evaluated effects of the sperm treatment
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Monitoring of inflammatory blood biomarkers in foals with Rhodococcus Equi pneumonia during antimicrobial treatment J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-24 Ömer Deniz, Gencay Ekinci, Ali Cesur Onmaz, Fatih Mehmet Derelli, Francesco Fazio, Francesca Aragona, René van den Hoven
, a gram-positive facultative intracellular pathogen, is a common cause of pneumonia in foals and represents a major cause of disease and death. The aim of the present study was to investigate the time-depended changes in White Blood Cells (WBC), basophils (Baso), neutrophils (Neu), lymphocytes (Lymf), monocytes (Mon), eosinophils (Eos), platelet (PLT) counts, fibrinogen (Fbg) concentration, interferon
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Equine Talocalcaneal subluxation J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-19 Lily Bertelsen
A Quarter horse filly was evaluated for a two-week old wound of the right hind cannon bone after the mare stepped on her. A sequestrum was noted radiographically and was surgically debrided. After continued follow-up a left hind varus deformity was noted and was corrected with a lateral transphyseal screw in the distal left tibia. After the varus deformity was improved, a lateromedial radiograph was
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Genomic tools for early selection among Thoroughbreds and Polo Argentino horses for practicing polo J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-18 F. Azcona, A. Karlau, P. Trigo, A. Molina, S. Demyda-Peyrás
The Polo Argentino (PA) horse is a recognized breed, developed originally by mixing crossbred and Thoroughbred (TB) horses to play polo. Early PA selection is difficult due to unreliable performance estimations. This study investigated the usefulness of genomic markers previously linked to morphological and functional traits as a tool for the early selection of PA. To this, we genotyped 520 PA and
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Ultrasonographic measurement of diaphragm muscle activity for assessment of respiratory function in horses J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-18 B.E. Oliveira, P.A. Canola
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Motor development of stable born healthy foals during the first 24 hours J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-18 Nina Pirinen, Anna Mykkänen, Jouni JT. Junnila, Catherine McGowan, Heli K. Hyytiäinen
The motor development of 14 healthy foals was observed using continuous video-recording from birth to 24 h of age. An ethogram was made of behaviours of interest with behaviour quantification using CowLog software. Behaviours were divided into six main classes: main activities, attempts to get up or lie down, nursing, playing and other skills, being helped by a human, and the foal not being visible
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Placental abnormalities associated with Leptospira interrogans infection in naturally infected mares J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-17 L. Aymée, F.T.D.R. Dantas, C. Ezepha, D. Motta, F.A. Carvalho-Costa, M.I.N. Di Azevedo, W. Lilenbaum
The reproductive features of equine leptospirosis are often neglected. Equine genital leptospirosis is characterized as a silent chronic syndrome, and besides abortions, leads to placental abnormalities, stillbirths, and birth of weak foals. This study aimed to study the occurrence of placental abnormalities associated with infection in naturally infected mares under field conditions. The studied herd
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Impacts of olfactory cues on equine feeding behavior J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-13 Erin B. Perry, Grace C. Handlos, Jesse M. Fenton
Anise has demonstrated equine palatability but its olfactory effect is underexplored. The objective was to investigate the effect of the aroma of anise on consumptive behavior. Stock-type horses (n = 8) were used in a crossover 6-day preference test. Palatability stocks were utilized. Bowls containing oats were situated on plates holding gauze soaked with 0.375 ml of anise or corn oil (control). Variables
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Comparison of daily heart rate and heart rate variability in trained and sedentary aged horses J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-13 Kanokpan Sanigavatee, Chanoknun Poochipakorn, Onjira Huangsaksri, Thita Wonghanchao, Napasorn Rodkruta, Sarisa Chanprame, Thanakorn wiwatwongwana, Metha Chanda
Athletic horses are usually retired from equestrian competition at an advanced age. Aged horses may then continue to have regular exercise or are sedentary. The comparison of autonomic regulation between sedentary aged horses (SAH) and trained aged horses (TAH) after retirement remains unpublished. This study compared daily heart rate (HR) and heart rate variability between 11 SAH and 11 TAH over 22
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Knowledge and perception of equine ticks and tick-borne diseases of Pennsylvania horse owners and caretakers J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-10 D.N. Smarsh, L.B. Kenny, M. Spindler, K.C. Poh, E.T. Machtinger
There is limited data on current knowledge of Pennsylvania horse caretakers on tick-borne diseases (TBDs), tick identification, and tick management practices. This study aimed to determine tick knowledge, concern, and management among Pennsylvania equine caretakers using an online survey. Descriptive statistics and one-way ANOVA tests were used to analyze data. The survey received 894 responses (539
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Use of equine embryo -derived mesenchymal stromal cells and their extracellular vesicles as a treatment for persistent breeding-induced endometritis in susceptible mares J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-06 F.K. Hollinshead, D.W. Hanlon, W. Hou, Z. Tasma, T. Damani, G.J. Bouma, D.A. Murtazina, L. Chamley
Persistent breeding induced endometritis (PBIE) is a significant cause of infertility in mares. The development of a safe, universal, readily available therapeutic to manage PBIE and facilitate an optimal uterine environment for embryo development may improve pregnancy rates in susceptible mares. Mesenchymal stromal cells (MSCs) are being used increasingly as a therapeutic mediator for inflammatory
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Short-term equine interaction for reducing test anxiety and facilitating coping skill development in college students during examination periods: A preliminary study J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-06 K. Everett, M.M. Friend, E. Farnlacher, A. Hilliard, M.C. Nicodemus, C.A. Cavinder, K. Holtcamp, D. Jousan
Mental health concerns are common among college students and more prevalent during examination periods when stress and anxiety are heightened. While the benefits of equine interaction have been reported, the impact of short-term equine interaction on coping skills valuable for managing test anxiety have yet to be studied. Therefore, the purpose of this preliminary study was to evaluate the impact of
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Radiological measurements of the feet of normal Straight Egyptian Arabian horses in Qatar J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-06 Gautier Jacquinet, Conor Rowan, Jackie Ryan, Tatiana Vinardell, Ian Richard Thompson, Jessica P. Johnson
The Arabian horse has been identified as carrying a risk locus for equine metabolic syndrome, predisposing this breed to development of laminitis. Radigraphy of the equine foot is widely considered the main diagnostic imaging technique for evaluation of the laminitic horse. Knowledge of ‘normal’ breed values allows assessment of the degree and severity of radiological changes associated with laminitis
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Evaluation of equine semen frozen in extenders free of egg yolk using two different freezing curves J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-02 ML Caldevilla, AA Ferrante, MC Gambarotta, MH Miragaya, DM Neild
A chemically defined cryopreservation extender that maintains seminal parameters is relevant. Fifteen ejaculates from 5 stallions (n= 5; r=3) were diluted in 5 extenders: 1) EDTA-glucose based extender with egg-yolk and dimethylformamide (EY); 2) commercial equine extender (CE); 3) CE with dimethylformamide (CE-3); 4) bovine commercial extender with liposomes (OP); 5) bovine commercial extender with
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Occurrence of ultrasonographic assessed placental abnormalities, treatments, pregnancy outcome, and subsequent fertility on a large warmblood stud farm: A retrospective field study J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-01 J. Sielhorst, K. Koether, N. Volkmann, M. Blanco, R. Vicioso, S. Baade, N. Kemper, A.M. de Mestre, H. Sieme
Little is known about the incidence and outcome of high-risk pregnancies in equine practice and clinical studies on spontaneous occurring placentitis cases and treatments are missing. Therefore, the aims of this retrospective field study were to (1) describe the incidence and severity of ultrasonographic assessed placental abnormalities (UPA) in 4,192 pregnancies on a large commercial warmblood stud
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Diagnosis and management of placentitis with severe funisitis in a multiparous Warmblood mare J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-05-01 M. Bernard, C.G. Donnelly, A. Miller, M. Diel de Amorim
Placentitis is an important cause of reproductive losses in the equine industry. Many cases of clinical placentitis are not diagnosed until late in the course of the disease, and for this reason there is variability in the timing of intervention, diagnostic measurements, and treatment protocols. An 8-year-old multiparous Dutch Warmblood mare that was recently exposed to EHV-1 in the herd of origin
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Effect of hospitalization on equine local intestinal immunoglobulin A (IgA) concentration measured in feces J. Equine Vet. Sci. (IF 1.3) Pub Date : 2024-04-30 A. May, H. Gerhards, B. Wollanke
During hospitalization horses may develop gastrointestinal conditions triggered by a stress-associated weak local immune system. The prospective, clinical trial was conducted to find out whether fecal immunoglobulin A (IgA) concentrations could be determined in hospitalized horses and how they changed during hospitalization and in response to various stressors. Samples were obtained from 110 horses