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Topic:Animal Health

Animal Health encompasses a broad range of topics focused on maintaining and improving the well-being of equine species. This field addresses various aspects of horse care, including disease prevention, diagnosis, treatment, and management of health conditions. Key areas of interest include equine nutrition, vaccination protocols, parasite control, dental care, and the management of chronic conditions such as laminitis and colic. Additionally, animal health research in horses investigates the impact of exercise and training on physical health, the role of genetics in disease susceptibility, and the development of new therapeutic approaches. This page compiles peer-reviewed research studies and scholarly articles that explore the latest advancements, challenges, and best practices in preserving and enhancing the health of horses.
Doping detection in animals: A review of analytical methodologies published from 1990 to 2019.
Drug testing and analysis    February 1, 2021   Volume 13, Issue 3 474-504 doi: 10.1002/dta.2999
Moreira F, Carmo H, Guedes de Pinho P, Bastos ML.Despite the impressive innate physical abilities of horses, camels, greyhounds, or pigeons, doping agents might be administered to these animals to improve their performance. To control these illegal practices, anti-doping analytical methodologies have been developed. This review compiles the analytical methods that have been published for the detection of prohibited substances administered to animals involved in sports over 30 years. Relevant papers meeting the search criteria that discussed analytical methods aiming to detect and/or quantify doping substances in animal biological matrices pu...
Genetic parameters for canalization analysis of morphological traits in the Pura Raza Español horse.
Journal of animal breeding and genetics = Zeitschrift fur Tierzuchtung und Zuchtungsbiologie    February 1, 2021   Volume 138, Issue 4 482-490 doi: 10.1111/jbg.12537
Poyato-Bonilla J, Sánchez-Guerrero MJ, Cervantes I, Gutiérrez JP, Valera M.Measurements from 13 different morphological traits of importance in the Pura Raza Español (PRE) horse were used to estimate genetic and environmental parameters following a heteroscedastic model in which data were assigned to stallions. Data sets used ranged from 20,610 (height at withers) to 48,486 measurements (length of shoulder), and the number of animals analysed in the pedigrees varied from 17,662 (height at withers) to 23,962 (dorsal-sternal diameter). Results of heritabilities of the traits varied from 0.09 (width of chest and upper neck line) to 0.30 (muscular development). Further,...
Qualitative study of the influence of horse-owner relationship during some key events within a horse’s lifetime.
The Veterinary record    January 28, 2021   Volume 188, Issue 6 e79 doi: 10.1002/vetr.79
Clough H, Roshier M, England G, Burford J, Freeman S.There is a lack of research exploring how the horse-human relationship influences horse owners' decision-making. The aim of this study was to investigate how an owner's relationship with their horse affects decisions around key events during their horse's lifetime. An online survey and semi-structured telephone interviews were conducted with horse-owners. The online survey asked horse owners about their experiences of decision-making and their relationship with their horse and identified interview participants. Two semi-structured interviews were conducted with 11 horse owners on their experie...
Hepatogenous photosensitization in ruminants and horses caused by the ingestion of Chamaecrista serpens in Brazil.
Toxicon : official journal of the International Society on Toxinology    January 28, 2021   Volume 193 13-20 doi: 10.1016/j.toxicon.2021.01.013
Mendonça MFF, Pimentel LA, Leal PV, Oliveira Filho JC, Caymmi LG, Silva AWO, Jesus RS, Peixoto TC.This study aimed to describe the first reports of outbreaks of hepatogenous photosensitization in cattle, sheep, and horses caused by spontaneous ingestion of Chamaecrista serpens, as well as to reproduce poisoning in sheep experimentally. Eleven photodermatitis outbreaks of unknown cause occurred in cattle, sheep and horses on nine farms in the semiarid region of Bahia, northeastern Brazil, between July 2017 and July 2020. Cutaneous lesions of photosensitization initiated until one week after the animals were introduced in paddocks invaded by the plant at the beginning of the rainy season. Th...
Risk factors for bit-related lesions in Finnish trotting horses.
Equine veterinary journal    January 28, 2021   Volume 53, Issue 6 1132-1140 doi: 10.1111/evj.13401
Tuomola K, Mäki-Kihniä N, Valros A, Mykkänen A, Kujala-Wirth M.Bit-related lesions in competition horses have been documented, but little evidence exists concerning their potential risk factors. Objective: To explore potential risk factors for oral lesions in Finnish trotters. Methods: Cross-sectional study. Methods: The rostral part of the mouth of 261 horses (151 Standardbreds, 78 Finnhorses and 32 ponies) was examined after a harness race. Information on bit type, equipment and race performance was collected. Results: A multivariable logistic regression model of Standardbreds and Finnhorses showed a higher risk of moderate or severe oral lesion stat...
Cross-sectional study of UK horse owner’s purchase and euthanasia decision-making for their horse.
The Veterinary record    January 28, 2021   Volume 188, Issue 6 e56 doi: 10.1002/vetr.56
Clough H, Roshier M, England G, Burford J, Freeman S.This cross-sectional study aimed to investigate factors affecting horse owners' purchase and euthanasia decisions that had been identified in a qualitative study. An online survey on horse owners' purchase and euthanasia decisions and experiences was distributed using snowball sampling. Inclusion criteria were previous experience of purchase or euthanasia decisions. Descriptive data analyses (mean, median, mode and frequency percentages) were performed. There were 451 participants from the UK and Ireland, 97% were female with a median age of 45 years. Participants most frequently did not seek ...
Spread of Multidrug-Resistant Rhodococcus equi, United States.
Emerging infectious diseases    January 27, 2021   Volume 27, Issue 2 529-537 doi: 10.3201/eid2702.203030
Álvarez-Narváez S, Giguère S, Cohen N, Slovis N, Vázquez-Boland JA.Multidrug resistance has been detected in the animal and zoonotic human pathogen Rhodococcus equi after mass macrolide/rifampin antibioprophylaxis in endemically affected equine farms in the United States. Multidrug-resistant (MDR) R. equi emerged upon acquisition of pRERm46, a conjugative plasmid conferring resistance to macrolides, lincosamides, streptogramins, and, as we describe, tetracycline. Phylogenomic analyses indicate that the increasing prevalence of MDR R. equi since it was first documented in 2002 is caused by a clone, R. equi 2287, attributable to coselection of pRErm46 with a ch...
Consensus for the General Use of Equine Water Treadmills for Healthy Horses.
Animals : an open access journal from MDPI    January 26, 2021   Volume 11, Issue 2 doi: 10.3390/ani11020305
Nankervis K, Tranquille C, McCrae P, York J, Lashley M, Baumann M, King M, Sykes E, Lambourn J, Miskimmin KA, Allen D, van Mol E, Brooks S....Water treadmill exercise has become popular in recent years for the training and rehabilitation of equine athletes. In 2019, an equine hydrotherapy working group was formed to establish what was commonly considered to be best practice in the use of the modality. This article describes the process by which general guidelines for the application of water treadmill exercise in training and rehabilitation programmes were produced by the working group. The guidelines describe the consensus reached to date on (1) the potential benefits of water treadmill exercise, (2) general good practice in water ...
Euthanasia Education in Veterinary Schools in the United States.
Journal of veterinary medical education    January 25, 2021   Volume 48, Issue 6 706-709 doi: 10.3138/jvme-2020-0050
Cooney K, Dickinson GE, Hoffmann H.Euthanasia of animals plays a significant role in veterinary practices and is a pivotal experience for veterinarians and their clients. It is good animal welfare to have a humane method of euthanasia, correctly applied, and a well-educated individual regarding such techniques. The purpose of this research was to determine how US veterinary medicine schools are preparing students to perform euthanasia. A survey of the 30 US veterinary schools was electronically mailed by the American Association of Veterinary Medical Colleges (AAVMC) in the fall of 2019, with a return rate of 10. Findings revea...
Surfactant protein D concentrations in serum and bronchoalveolar lavage fluid from young healthy horses on pasture and in a barn environment.
American journal of veterinary research    January 23, 2021   Volume 82, Issue 2 152-157 doi: 10.2460/ajvr.82.2.152
Daly AE, Deible CG, Lamb CE, Santacaterina SM, Marzolf NL, Page AE, Horohov DW, Wood PL, Werre SR, Chapman SE, Christmann U.To evaluate surfactant protein D (SP-D) concentrations in serum and bronchoalveolar lavage fluid (BALF) from young healthy horses on pasture or housed in a typical barn. Methods: 20 young healthy horses. Methods: Horses were randomly assigned to 1 of 2 groups (pasture, n = 10; barn, 10), and serum and BALF samples were collected for SP-D determination at baseline (all horses on pasture) and 2 weeks and 4 weeks after the barn group of horses was relocated from the pasture to the barn. Other evaluations included physical and tracheoscopic examinations. Findings were compared within and between g...
The Human-Horse Relationship: Identifying the Antecedents of Horse Owner Attitudes towards Horse Husbandry and Management Behaviour.
Animals : an open access journal from MDPI    January 22, 2021   Volume 11, Issue 2 278 doi: 10.3390/ani11020278
Hemsworth LM, Jongman EC, Coleman GJ.The welfare of recreational horses is an important issue. Horse owner attitudes towards horse ownership are likely to influence owner behaviour in terms of horse husbandry and management practices and human-horse interactions, which in turn are likely to affect the welfare of the horse. Based on Ajzen's Theory of Planned Behaviour, this paper examines the relationships between horse owner attributes, specifically background factors (demographics, knowledge, and experience) and attitudes (beliefs) towards horse husbandry and management behaviour. Data were collected via a random telephone surve...
Volumetric measurements of paranasal sinuses and examination of sinonasal communication in healthy Shetland ponies: anatomical and morphometric characteristics using computed tomography.
BMC veterinary research    January 21, 2021   Volume 17, Issue 1 41 doi: 10.1186/s12917-021-02748-6
Köhler L, Schulz-Kornas E, Vervuert I, Gittel C, Winter K, Berner D, Gerlach K.Despite clinical importance and frequent occurrence of sinus disease, little is known about the size of paranasal sinuses and their communication in ponies and small horses. To examine the shape and volume of the paranasal sinuses and evaluate the sinonasal communication, three-dimensional (3D) reconstructions of computed tomography (CT) datasets of 12 healthy adult Shetland ponies were performed and analysed. Linear measurements of head length and width were taken. Using semi-automatic segmentation, 3D-models of all sinus compartments were created. Volumetric measurement of the seven sinus co...
Non-banked curved tracks influence movement symmetry in two-year-old Standardbred trotters.
Equine veterinary journal    January 20, 2021   Volume 53, Issue 6 1178-1187 doi: 10.1111/evj.13409
Kallerud AS, Hernlund E, Byström A, Persson-Sjodin E, Rhodin M, Hendrickson EHS, Fjordbakk CT.Little is known regarding how trotting through curves affects locomotion symmetry in Standardbred trotters. Objective: To investigate differences in objectively measured Standardbred trotter vertical motion symmetry between straight and non-banked, curved sections of oval trotting tracks during exercise warm-up, using a wireless inertial measurement unit (IMU) system. Methods: Cross-sectional, observational study. Methods: Sixteen horses were included. Mixed models were used to assess associations between symmetry, track segment (straight vs curve) and stride duration. Results: Significant res...
“Feel the Force”-Prevalence of Subjectively Assessed Saddle Fit Problems in Swiss Riding Horses and Their Association With Saddle Pressure Measurements and Back Pain.
Journal of equine veterinary science    January 20, 2021   Volume 99 103388 doi: 10.1016/j.jevs.2021.103388
Dittmann MT, Arpagaus S, Hungerbühler V, Weishaupt MA, Latif SN.Ill-fitting saddles can impair the well-being and performance of horses. Saddle fit is generally assessed subjectively by a trained professional or with an electronic saddle pressure mat, but little is known about the agreement between both methods. The study aims were (1) to assess the prevalence of saddle fit issues in a riding sound Swiss horse population, (2) to investigate how well the subjective assessment correlates with objectively measured pressure magnitude and distribution under the saddle during riding, and (3) how well both correlate with back pain of the horse. Only 10% of the sa...
Reining in the Wound-Healing Response in an Equine Model with a Biomimetic Hydrogel.
ACS biomaterials science & engineering    January 19, 2021   Volume 7, Issue 1 1 doi: 10.1021/acsbiomaterials.0c01702
Pun SH.No abstract available
Clinical Factors Associated With Survival Outcomes in Starved Equids: A Retrospective Case Series.
Journal of equine veterinary science    January 19, 2021   Volume 101 103370 doi: 10.1016/j.jevs.2020.103370
Schneider LG, Cox Self A, Hines MT, Lin-Zambito Ivey J.Each year in the United States, unwanted horses may become neglected, starved, or abandoned. Recovery therapies include refeeding and veterinary care, often requiring substantial time and financial investments. To better understand the likelihood for starved horses to successfully survive the first 100 days after initial evaluation, a retrospective case series was performed using hospital records of starved horses at the University of Tennessee College of Veterinary Medicine. A body condition score (BCS) of 3 or less and a malnourished diagnosis were utilized to select case records from an 11...
Practical protocols for timed artificial insemination of jennies using cooled or frozen donkey semen.
Equine veterinary journal    January 19, 2021   Volume 53, Issue 6 1218-1226 doi: 10.1111/evj.13412
Yang F, Li N, Liu B, Yu J, Wu S, Zhang R, Yang W, Ji C, Sun Q, Ma J, Li M, Zhou J, Zhou X, Pietrani M, Losinno L, Zeng S.With the expansion of the donkey industry, timed artificial insemination (TAI) is becoming increasingly important in the reproductive management of jennies, however, TAI has not been widely investigated in donkeys. Objective: To develop efficient TAI protocols for cooled or frozen semen in jennies, based around ovulation induction with a GnRH analogue. Methods: Experimental exploratory study. Results: In experiment 1, the effects of different GnRH analogue (deslorelin) doses, follicle diameter (FD) at induction, repeated use of a GnRH analogue, and the influence of season on induction efficien...
A Scoping Review of the Evidence for the Medicinal Use of Natural Honey in Animals.
Frontiers in veterinary science    January 18, 2021   Volume 7 618301 doi: 10.3389/fvets.2020.618301
Vogt NA, Vriezen E, Nwosu A, Sargeant JM.Honey has a history of medicinal use that predates written records. In recent decades, there has been renewed interest in the use of honey in human medicine, particularly for the treatment of burns and other wounds. Several recent systematic reviews in the human literature have demonstrated the efficacy of honey in the treatment of a number of conditions, including burns, wounds and oral mucositis. The goal of this scoping review was to describe the nature and extent of the current body of evidence addressing the medicinal use of natural honey and/or its derivatives in animals. Although the fo...
Hard ticks (Acari: Ixodidae) infesting domestic animals in Egypt: diagnostic characters and a taxonomic key to the collected species.
Medical and veterinary entomology    January 16, 2021   Volume 35, Issue 3 333-351 doi: 10.1111/mve.12502
Okely M, Anan R, Gad-Allah S, Samy AM.Ticks are important vectors of emerging health problems in humans and animals. We conducted several field surveillances to investigate the fauna of hard ticks on domestic animals in seven governorates of Egypt during 2018-2019. A total of 3265 individual tick specimens were collected and identified to the species level; the specimens belong to 11 species within three genera (Amblyomma, Hyalomma, and Rhipicephalus). Tick infestation was highest in dromedary camels (70%), followed by dogs (52.5%), cattle (50%), buffaloes (38%), and horses (12%). Ten species were collected from dromedary camels, ...
Influence of Milk Thistle (Silybum marianum) Seed Cakes on Biochemical Values of Equine Plasma Subjected to Physical Exertion.
Animals : an open access journal from MDPI    January 16, 2021   Volume 11, Issue 1 210 doi: 10.3390/ani11010210
Dockalova H, Zeman L, Horky P.Veterinarians can recommend milk thistle for the treatment of equine liver disease and laminitis. Milk thistle seed cakes were fed in the range of normal feed doses in this study. The milk thistle seed cakes were fed (twice a day) to the experimental group of the horses ( = 5) and biochemical blood markers (TP, Albumin, ALT (alanine transaminase), AST (aspartate transaminase), ALP (alkaline phosphatase), GGT (gamma-glutamyltransferase), Bilirubin, Cholesterol, HDL (high-density lipoprotein), LDL (low-density lipoprotein), TAG (triacylglycerol), BHB (beta-hydroxybutyric acid), NEFA (non-esterif...
The effects of an alpha-2-adrenoceptor agonist, antagonist, and their combination on the blood insulin, glucose, and glucagon concentrations in insulin sensitive and dysregulated horses.
Veterinary journal (London, England : 1997)    January 15, 2021   Volume 269 105610 doi: 10.1016/j.tvjl.2021.105610
Box JR, Karikoski NP, Tanskanen HE, Raekallio MR.Alpha-2-adrenoceptor agonists are sedatives that can cause fluctuations in serum insulin and blood glucose (BG) concentrations in horses. The objectives of this study were to investigate the effects of detomidine and vatinoxan on BG, insulin, and glucagon concentrations in horses with and without insulin dysregulation (ID). In a blinded cross-over design, eight horses with ID and eight horses without ID were assigned to each of four treatments: detomidine (0.02 mg/kg; DET), vatinoxan (0.2 mg/kg; VAT), detomidine + vatinoxan (DET + VAT), and saline control (SAL). Blood samples were taken at 0, ...
Exploratory behaviour towards novel objects is associated with enhanced learning in young horses.
Scientific reports    January 14, 2021   Volume 11, Issue 1 1428 doi: 10.1038/s41598-020-80833-w
Christensen JW, Ahrendt LP, Malmkvist J, Nicol C.The mechanisms underlying individual variation in learning are key to understanding the development of cognitive abilities. In humans and primates, curiosity has been suggested as an important intrinsic factor that enhances learning, whereas in domesticated species research has primarily identified factors with a negative effect on cognitive abilities, such as stress and fearfulness. This study presents the first evidence of a link between object-directed curiosity and learning performance in young horses in two very different learning tasks (visual discrimination and pressure-release). We exp...
Three-Dimensional Printing: Building a Solid Foundation for Improving Technical Accuracy in Orthopaedic Surgery.
Veterinary and comparative orthopaedics and traumatology : V.C.O.T    January 13, 2021   Volume 34, Issue 1 v-vi doi: 10.1055/s-0040-1722257
Guiot LP, Allen MJ.No abstract available
Successful Surgical and Medical Management of a Pararectal Abscess in a Horse.
Journal of equine veterinary science    January 13, 2021   Volume 99 103387 doi: 10.1016/j.jevs.2021.103387
Ortolani F, Nannarone S, Scilimati N, Gialletti R.Pararectal abscesses are life-threatening conditions that can rupture and cause septic peritonitis. The objective of this case report is to describe aggressive treatment of a pararectal abscess to allow a quick return to competitions. A 14-year-old pony was admitted to the Veterinary Teaching Hospital (VTH) of the University of Perugia because of a suspected intra-abdominal mass. Two weeks earlier, it exhibited clinical signs compatible with colic which was treated medically; however, because of the persistence of a firm mass on the right side of the abdomen noted on rectal palpation, the pony...
Analysis of the Pedigree and Ancestors of the Cutting Population of the Quarter Horse Breed.
Journal of equine veterinary science    January 13, 2021   Volume 99 103385 doi: 10.1016/j.jevs.2021.103385
Yahagi Rodrigues L, da Silva Faria RA, de Vasconcelos Silva JAI.The aim of this study was to evaluate the genetic diversity and to identify the most influential ancestors in the population of Brazilian Quarter Horses participating in cutting competitions. Data from 1,590 elite horses born between 1970 and 2015, which participated in cutting competitions between 1981 and 2018, were evaluated based on the pedigree file that contained 5,832 animals born since 1834. Evaluation of the quality of the pedigree data showed a mean number of known equivalent generations of 5.4 ± 1.5 and a mean generation interval of 11.7 ± 8.8 years. The inbreeding coefficient (1...
Arbovirus serosurvey (Orthobunyavirus, Flavivirus, and Alphavirus) in a draft horse population from Santa Fe, Argentina (2013-2016).
Archives of virology    January 12, 2021   Volume 166, Issue 3 881-884 doi: 10.1007/s00705-020-04929-4
In the present study, we serosurveyed the exposure of 222 draft horses to different arboviruses in the city of Santa Fe, Argentina. Plaque reduction neutralization tests confirmed exposure to Fort Sherman virus (FSV), Saint Louis encephalitis virus (SLEV), West Nile virus (WNV), and Río Negro virus (RNV). Apparently, Western and Eastern equine encephalitis viruses did not circulate in the population tested. The confirmation of five seroconversions for WNV, FSV, and SLEV and the association between prevalence and age are indicative of recent circulation. These results highlight the importance ...
Gastrointestinal Parasitism in Miranda Donkeys: Epidemiology and Selective Control of Strongyles Infection in the Northeast of Portugal.
Animals : an open access journal from MDPI    January 11, 2021   Volume 11, Issue 1 155 doi: 10.3390/ani11010155
Ramalho Sousa S, Anastácio S, Nóvoa M, Paz-Silva A, Madeira de Carvalho LM.In Portugal, equine parasitism in pasture animals is characterized by high parasitic burden and high helminthic biodiversity; both factors are potentially pathogenic for their hosts. The decrease in the number of donkeys over the last years in Portugal, their importance in rural lowland and mountain ecosystems and pastures and the scarce information regarding their parasitism led to this research, which aimed to evaluate the parasitological status of a Miranda donkey breed population, a native breed mainly located in the northeast of Portugal. This study provides better knowledge of their gast...
A Survey of Injuries That Occurred in Veterinary Teaching Hospitals during 2017.
Journal of veterinary medical education    January 11, 2021   Volume 48, Issue 4 401-416 doi: 10.3138/jvme-2019-0152
Whittem T, Woodward AP, Hoppach M.Knowing the frequency, extent or severity of injuries that occur to students and staff within veterinary teaching hospitals (VTHs) is necessary for proactive management of their safety. This study surveyed contemporaneously-captured incident reports likely to cause or causing injury to students and staff of veterinary teaching hospitals in Europe, the United States of America (USA), Canada, Australia, and New Zealand, recorded in 2017. Four different severities of incident were evaluated within four different cohorts of people, precipitated by five categories for cause. Within each cause-categ...
The Impact of the Sex of Handlers and Riders on the Reported Social Confidence, Compliance and Touch Sensitivity of Horses in Their Care.
Animals : an open access journal from MDPI    January 8, 2021   Volume 11, Issue 1 130 doi: 10.3390/ani11010130
Anzulewicz A, Fenner K, Hyde M, Heald S, Burattini B, Romness N, McKenzie J, Wilson B, McGreevy P.Current evidence of how human sex-related differences in riders and handlers may influence horse behaviour is limited. The Equine Behaviour Assessment and Research Questionnaire (E-BARQ) was used to collect demographic data on riders and handlers ( = 1420) and behavioural data on their horses. It includes demographic items about the sex of the respondent and how frequently the horse has been ridden or handled by male and female humans. The questionnaire then gathers observations on the horse's behaviour on the ground and under saddle or when driven Using E-BARQ's battery of 97 questions, the c...
Exogenous enzyme amendment accelerates maturity and changes microflora succession in horse and wildlife animal manure co-composting.
Environmental science and pollution research international    January 7, 2021   Volume 28, Issue 17 21610-21620 doi: 10.1007/s11356-020-11568-4
Du G, Feng W, Cai H, Ma Z, Liu X, Yuan C, Shi J, Zhang B.Composting has been a rational method to dispose of horse or wildlife animal manures, especially in the developed cities with horse clubs and wildlife parks. However, few studies have focused on the mechanism and improvement methods for composting the horse or wildlife animal manures. In this study, we investigated the effect of exogenous compound enzymes on thermophilic composting, which could potentially support the management of horse and wildlife animal manures. With the presence of exogenous enzymes, the duration of high temperature (> 60 °C) was significantly prolonged (p <...