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Topic:Warmblood Horses
Warmblood horses are a group of middle-weight horse breeds known for their versatility and performance in equestrian sports such as dressage, show jumping, and eventing. They are characterized by a combination of athleticism, temperament, and conformation, which make them suitable for competitive disciplines. Breeds within this group include the Hanoverian, Dutch Warmblood, and Holsteiner, among others. The breeding and selection processes for Warmbloods focus on traits such as movement, trainability, and soundness. This page compiles peer-reviewed research studies and scholarly articles that investigate the genetics, breeding practices, performance traits, and health considerations specific to Warmblood horses.
Vaccination-associated lameness in warmblood horses after intramuscular injection. Intramuscular vaccination is a routine component of equine medicine, but local muscle soreness may transiently affect gait symmetry. Objective data on vaccination-associated gait changes in horses are lacking. Objective: To investigate whether intramuscular vaccination induces measurable gait asymmetries depending on injection site, to inform recommendations on vaccination site selection and short-term exercise management. Methods: In this prospective, randomised, blinded, placebo-controlled study, eighteen clinically sound Warmblood horses were enrolled and received an intramuscular vaccinati...
Radiographic findings of candidate stallions presented for licensing at all German Warmblood horse-breeding associations in 2018-2020. Current studies on the health status of young German Warmblood stallions are lacking. Objective: To evaluate the prevalence of radiographic findings at licensing examinations of Warmblood candidate stallions and quantify the environmental influences on the distribution of recorded findings. Methods: In this retrospective observational study, records of 1693 radiographic examinations performed on 1678 German Warmblood stallions presented for licensing in 2018-2020 were reviewed. Data were provided by all German Warmblood horse-breeding associations and their official veterinarians. The collecti...
Radiographic Prevalence of Anatomical Variations of the Ventral Lamina of the Sixth Cervical Vertebra, C6/C7 Articular Process Joint Modelling and Competition Outcomes in Warmblood Sport Horses. Anatomical variations of the caudal ventral lamina of the sixth cervical vertebra (C6), referred to as equine caudal cervical morphologic variations (ECCMV), and radiographic modelling of the caudal cervical articular process joints (APJ) are commonly identified in sport horses, yet their interrelationship and relevance for athletic performance remain controversial. This retrospective observational study aimed to determine the prevalence of ECCMV and APJ modelling in a clinically sound warmblood sport horse population, to evaluate a potential association and to assess if ECCMV affects competit...
Heritability Estimates of Traits Assessed in Field Performance Tests of Polish Warmblood Mares. : Knowledge of the genetic background of evaluated traits has been the basis for genetic progress in every horse-breeding population and is essential for precise breeding and up-to-date decision-making. The study aimed to estimate the heritability coefficients for field performance traits in mares. : The research was based on 1408 evaluations of mares conducted during the years 2002-2021 in 51 training centers in Poland. The preliminary analyses of the effects, significant for the investigated traits, were obtained using analysis of variance, and these additional data are also presented (SAS p...
Upwards or onwards? Assessment of objective gait quality parameters in three European horse breeds at walk and trot. Europe has many horse breeds differing in conformation, gaits and genetics due to diverging breeding goals. Research studies comparing objective gait parameters between different horse breeds are limited and date back a decade. Objective: In this study, objective gait parameters were measured in three European breeds, namely Lusitanos (LUS; n = 52), Franches-Montagnes (FM; n = 311) and Swiss Warmblood (WB; n = 40) using an inertial measurement system (sensors at poll, withers, pelvis and all four canon bones) at walk and trot. Results: At walk and trot, LUS moved significantly slower than WB a...
PCR-RFLP method applied for identification of Warmblood Fragile Foal Syndrome carriers in Polish warmblood horses. The method for identifying the causative mutation for Warmblood Fragile Foal Syndrome (WFFS) involved PCR amplification of a 259-base pair fragment of the PLOD1 gene and its digestion with the restriction enzyme Aci I was developed, allowing for the clear detection of WFFS carriers. Eight WFFS carriers were detected among 308 warmblood horses kept in different farms across Poland, giving an overall frequency of 2.59%, which indicates a rather low frequency of the causative mutation for WFFS in Poland. Further research should be conducted on a larger number of horses, particularly those breeds ...
Evaluation of Concentration Changes in Plasma Amino Acids and Their Metabolites in Eventing Horses During Cross-Country Competitions as Potential Performance Predictors. Amino acid (AA) metabolism and the adaptation of muscles to increased physical performance are interdependent. This field study examined changes in plasma amino acid (PAA) concentrations and two metabolites (ammonia and urea) before and after cross-country (CC) competitions throughout an entire eventing season and their associations with performance outcomes in eventing horses. Twenty horses from nine different Warmblood breeds were evaluated between two and seven times across 14 international eventing competitions over a 23-week period. A total of 55 rides were sampled. Blood samples were col...
Equine coronary sinus and great cardiac vein anatomy relevant to cardiac electrophysiology. The coronary sinus (CS) and great cardiac vein (GCV) are crucial in cardiac electrophysiology and can be arrhythmogenic in humans. In horses, CS/GCV catheterisation is increasingly performed for arrhythmia diagnosis and treatment. Improved anatomical understanding of these structures is needed to clarify relationships to surrounding structures. Methods: Postmortem examinations of 64 adult warmblood equine hearts were carried out. Middle cardiac vein and vein of Marshall ostia locations were described. Right atrial myocardial sleeve (MS) length was measured from the CS ostium. In 23 horses, CS/...
Opinions of trainers of Warmblood, Thoroughbred and Trotter horses in Germany on the pretraining management of yearlings and two-year-old horses – a qualitative analysis. The early career start of racehorses, the pretraining of two-year-old Warmblood stallions for licensing, and individual housing of young horses increasingly raise animal welfare concerns. Objective: Assess pretraining practices and the opinion of trainers on housing of young horses, minimum age to commence training and pretraining injuries. Methods: Qualitative interviews with trainers of Warmblood stallions and Thoroughbred and Trotter racehorses (n = 10 each). Results: Pretraining of Thoroughbreds and Trotters began at 18 months, whereas licensing preparation of Warmblood stallions began at ...
Computed tomographic myelography of the cranial cervical vertebral column in unaffected Warmblood horses – comparison of transverse vertebral ratios in the flexed and neutral cranial cervical vertebral column. Computed tomographic myelography (CTM) is diagnostic for extradural spinal cord compression but knowledge about vertebral ratios from transverse images in flexion and normal position of unaffected horses is lacking. Objective: To compare the ratios of the cross-sectional areas (CSAs) of the spinal cord, the vertebral canal and of the contrast enhanced dural tube on transverse CTM images at C3-C4 in neutral and flexed positions in unaffected Warmbloods. Methods: CTM was performed in 13 neurologically unaffected Warmbloods in neutral and flexed cervical vertebral column positions. Ratios were ca...
Comparative Analysis of the Stallion Field Performance Test at Different Training Stages and Horse Age. Breeding value estimations of Warmblood horses in Poland are based on field performance, but the amount of stallions' data is still insufficient (334 horses). The first study's aim is to compare stallions' results in different stages and evaluate the overall ability using both stages. The effects on preselection (first stage free movement) and performance tests (second stage under rider) were analyzed separately and together as the overall ability. Spearman correlations were evaluated. The second aim was to evaluate the training period on the results. Due to the pandemic and lack of tests, hor...
Quantitative assessment of gait alterations and variability in sulky-driven Standardbred trotters after a standardised exercise test. Assessment of equine metabolic and locomotory responses to quantified levels of physical exercise is needed to support the creation of tailored protocols for optimal training adaptation. The locomotory response to exercise in horses is not fully understood. Objective: To investigate the effect of a standardised exercise test (SET) on upper-body and limb kinematics and stride-to-stride variability in Standardbred Warmblood trotters. Methods: Experimental repeated-measures field study. Methods: Thirteen Standardbred trotters, equipped with nine inertial measurement units (IMUs), performed an inc...
Surveillance of a PLOD gene variant linked to fragile foal syndrome in Silesian horses in Poland: implications for genetic monitoring and breeding strategies. The Silesian horse is a heavy warmblood breed developed in Polish Silesia through the covering of local mares by East Frisian and Oldenburg stallions. Because of its historical significance and genetic heritage, the breed is part of a conservation programme in Poland. One of the genetic disorders of concern in warmblood horses is fragile foal syndrome (FFS), an autosomal recessive disease caused by a mutation in the gene (c.2032G>A). Affected foals either perish in late pregnancy or are born with severe connective tissue abnormalities, leading to early death. As carriers do not exhibit sym...
Use of preoperative computed tomography (CT) to plan repair of comminuted fractures of the middle phalanx in six Warmblood horses: Configuration, treatment and long-term outcome. To describe the additional information provided by computed tomography (CT) in planning and assisting repair of comminuted fractures of the middle phalanx (MP) in Warmblood horses. Methods: Case series. Methods: Six adult Warmblood horses. Methods: The case records of horses undergoing CT examination prior to internal fixation of comminuted MP fractures were reviewed. All horses underwent radiographic and preoperative CT examination. A standardized fast protocol (SFP) to assess CT images was used. Surgical repair consisted of fracture repair and proximal interphalangeal joint arthrodesis using...
Assessment of olfactory sensitivity in horses using positively conditioned scent. Differences in the ranges and capacities of sensory modalities cause horses to perceive their surroundings differently than humans. To date, the horses' sense of smell has been studied mainly regarding social and reproductive behaviour. The role of olfaction in horse management and use also seems to be of utmost importance. The aim of this study was to determine the response to a scent of different intensities by horses of different sexes and types (warmblood horses vs ponies). The study involved 21 adult mares and geldings, of which 15 subjects learned how to complete the required task and we...
Orthopaedic Injuries in 272 Dressage Horses: A Retrospective Study. There is limited information regarding orthopaedic injuries in dressage horses. This study assessed the prevalence of injuries in a mixed referral and first opinion population of 272 horses training and competing in dressage, 238 of which were followed up one to five years after injury. Warmblood (55.8%) and Iberian (38.6%) breeds predominated. The median age was 8 years (interquartile range [IQR] 5,11; range 1,21). Horses were examined due to lameness (85.3%) or poor performance (14.7%). The median lameness grade was 2/5 (IQR 2,4; range 0,4). Forelimb lameness was more prevalent than hindlimb...
Effect of N-Butylscopolammonium Bromide and Metamizol Sodium on Heart Rate, Blood Pressure, and Echocardiographic Measurements in Warmblood Horses With Aortic and Mitral Valve Regurgitation. Administration of N-butylscopolammonium bromide (NBB) with metamizol sodium (NBBM) causes tachycardia and hypertension, and has been associated with accentuated cardiac murmurs. Objective: To evaluate the effect of a pharmacological challenge using NBBM on valvular regurgitation and cardiac murmurs in horses with aortic (AR) and mitral valve regurgitation (MR). Methods: Twenty Warmblood horses with AR and 20 with MR. Methods: Cardiac auscultation and two-dimensional (2D), M-mode, color flow, pulsed wave Doppler flow, and tissue Doppler echocardiography were performed with simultaneous ECG reco...
Pharmacokinetics of orally administered calcium dobesilate in Warmblood horses. Calcium dobesilate has recently been used for treating lameness in horses because it enhances microvascular processes and reduces intraosseous pressure. Lameness caused by disorders in bone metabolism and increased intraosseous pressure, such as navicular disease, osseous cyst-like lesions and pedal bone oedema, are commonly treated with rest, anti-inflammatory agents and surgery. Calcium dobesilate has the potential to influence the pathophysiology of these diseases, thereby improving healing. To determine whether calcium dobesilate and its acting agent calcium 2,5-dihydroxybenzene sulfonate ...
Cortisol and heart rate response of mares during the in-hand breeding procedure with and without restraint. In-hand breeding involving restraint methods is likely the most common practice in the horse breeding industry worldwide. However, welfare issues that arise from such management have not been investigated in detail. Objective: (1) To investigate whether the mares show increased stress responses during in-hand breeding using (a) a lip twitch and (b) hobbles. (2) To evaluate if the use of restraint methods influences the mare's expression of oestrous behaviour. Methods: Intra-individual cross-over design. Methods: Six Franches-Montagnes stallions and 10 warmblood mares were used in these experim...
High-quality, haplotype-resolved reference genomes of the Dutch warmblood horse and Friesian horse using trio binning. In horses, genetic diversity is predominantly observed between breeds, with little variation within breeds. The studbooks of the two largest horse populations in the Netherlands, the Dutch Warmblood horse and Friesian horse population, have ongoing conservation projects including collecting large-scale genotype and sequence data. The current reference genome, derived from a Thoroughbred horse can lead to bias in genetic analyses of other horse breeds. Therefore, the aim of this study was to create high-quality breed-specific reference genomes of Dutch Warmblood and Friesian horses. We performe...
Long-Term Changes of Physiological Reactions in Young Lipizzan Stallions During Exercise Testing. The aim of the study was to determine the fluctuations of selected physiological parameters in young Lipizzan stallions ( = 10) during the initial phase of their training as indicators of adaptation to a graded exercise load and stress exposure. For this purpose, four exercise tests (ExT) with lunging were carried out over a period of one year. Physiological parameters (gait speed, heart and respiratory rate (HR and RR), rectal and body surface temperature (RT and BST), and cortisol and lactate concentration (CORT and LAC)) were measured before and after training. In all ExT, gait speeds incre...
Utility of Infrared Thermography for Monitoring of Surface Temperature Changes During Horses’ Work on Water Treadmill with an Artificial River System. Water treadmill (WT) exercise is used for horses' rehabilitation and training. Given that each training needs to be individualized for each horse, the goal is to assess whether infrared thermography (IRT) can serve as a non-invasive tool for daily monitoring of individual training and rehabilitation progress in horses undergoing WT exercise. Fifteen Polish Warmblood school horses were subjected to five WT sessions: dry treadmill, fetlock-depth water, fetlock-depth water with artificial river (AR), carpal-depth water, and carpal-depth water with AR. IRT images, collected pre- and post-exercise,...
Evaluation of water treadmill training, lunging and treadmill training in the rehabilitation of horses with back pain. Data about efficacy of different training modalities during rehabilitation of horses with back pain is scarce. The aim of this study was to analyze the effect of water treadmill training, lunging and dry treadmill training in horses with back pain. Methods: Eighteen warmblood riding horses referred with confirmed clinical signs of back pain including abnormal responses to passive mobilisation were randomized into three groups to participate in a 6-week water treadmill training, lunging or dry treadmill program under otherwise identical conditions. Two clinicians, one blinded to the program, pe...
Computed tomography identifies the proximodorsomedial subchondral bone of equine central tarsal bones as a predilection site for sclerosis, demineralisation and associated fractures. Background: The distribution pattern of central tarsal bone (CTB) changes has not been described, except for slab- and dorsomedial-plantarolateral fractures.Objectives: To describe CTB changes in CT and document their distribution and associations.Study designRetrospective case series.Methods: Standing and recumbent tarsal CT studies from 94 clinical cases were retrospectively evaluated. General case information, degree of sclerosis (none-severe), lesions (demineralisation, cystoid, fissure/fracture) and their location were recorded, dividing CTBs into 8 regions.Results: Eighty five of 94 tars...
Performance outcomes are not reduced following colic surgery in warmblood jumping horses. To provide performance data of warmblood jumping horses following colic surgery. Unassigned: This retrospective case series reviewed clinical records of 5 equine hospitals with the inclusion criteria of warmblood horses undergoing colic surgery between January 1, 2011, and December 31, 2021, surviving to discharge, and being registered as a hunter or jumper with the US Equestrian Federation. Clinical data included age, sex, and lesion type. Performance data included discipline, jump height, number of starts, number of wins, and number of placings. Pre- and postoperative data were analyzed sepa...
Computed tomographic myelography of the cranial cervical spine in Warmblood horses with no spinal pathology-Inter- and intravertebral ratios and distribution of contrast columns in neutral and flexed cervical spine. Computed tomographic myelography (CTM) and radiographic myelography (RxM) are diagnostic for extradural spinal cord compression, but knowledge about the contrast distribution in flexion and normal position of nonaffected horses is lacking. Objective: (1) To determine the inter- and intravertebral ratios at C3-C4 of CTM in neutral and flexed positions in Warmbloods. (2) To compare the diameters of the spinal cord and the contrast columns at C3-C4 between neutral and flexed positions in CTM and RxM. (3) To evaluate the variability of measurements. Methods: Terminal in vivo method-comparison stud...
Haplotype structure and heterozygosity around the fragile foal syndrome variant in Swedish Warmblod horses. Fragile foal syndrome (FFS) is a disease caused by a recessive lethal missense mutation in the PLOD1 gene located on ECA2. Despite its harmful effect, a relatively high frequency of FFS carriers was observed in Warmblood breeds spanning from 7.4% in a random sample of Swedish Warmblood breed to 17% in the Hanoverian and Danish Warmblood, indicating potential heterozygous advantage. Balancing selection can be further studied based on haplotype blocks and via detection of heterozygosity-rich region (ROHet) around the target of selection. In this study we evaluated the presence of haplotype block...
Group housing increases alertness and social interaction compared to traditional single stabling in two-year-old sport horse stallions during pretraining. Horses in training are often stabled individually, but this is increasingly questioned. We have investigated the effects of different stabling systems in Warmblood stallions during a 12-week pretraining programme. Stallions were 24 months old and housed either in a group stable (Group 24, n = 9) or in individual boxes (Box 24, n = 10), or they were 30 months of age and housed in individual boxes (Box 30, n = 10). Cortisol, heart rate, heart rate variability (HRV), body development, injuries and selected behaviour patterns were analysed (1) at transfer from pasture to stable and (2) the...
A Retrospective Study of the Evolution of Orthopaedic Injuries in 70 Dressage Horses. There is limited information about the orthopaedic health of dressage horses. This study aimed to document the orthopaedic status, lesion distribution, and evolution of injuries in 70 horses undergoing a minimum of five in-depth orthopaedic assessments at six-months' intervals. Warmblood (70.0%) and Iberian (24.3%) breeds predominated. The median lameness grade at initial examination was 2/5 (interquartile range 2,2; range 0,3). Hypermetria (42.9%) or hypermetria and weakness (12.9%) were observed at the initial examination and did not change over time. Metacarpophalangeal/metatarsophalangeal ...
