Analyze Diet

Topic:Equine Studies

Equine Studies encompasses the scientific exploration and analysis of various aspects related to horses, including their physiology, behavior, genetics, nutrition, and management. This interdisciplinary field integrates knowledge from veterinary medicine, animal science, and equine management to enhance understanding of horse health and welfare. Topics within equine studies often include the study of equine anatomy, disease prevention, breeding practices, and performance optimization. Researchers and scholars contribute to this field by conducting experiments, field studies, and reviews that provide insights into improving equine care and management practices. This page compiles peer-reviewed research studies and scholarly articles that investigate diverse areas within equine studies, offering comprehensive insights into the complexities of horse biology and management.
Components of the total kinetic moment in jumping horses.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 41-44 doi: 10.1111/j.2042-3306.1997.tb05051.x
Galloux P, Barrey E.Thirty horses were filmed with a panning camera operating at 50 frames/s as they jumped over a 1.20 x 1.20 m fence. The markers of 9 joints on the horse and 7 joints on the rider were tracked in 2D with the TrackEye system. The centre of gravity and moment of inertia of each segment were calculated using a geometric algorithm and a cylindric model, respectively. The kinetic moment of each part of the horse was calculated after filtering, and resampling of data. This method showed the relative contribution of each body segment to the body overall rotation during the take-off, jump and landing p...
Kinematics and kinetics of the carpus.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 84-88 doi: 10.1111/j.2042-3306.1997.tb05061.x
Johnston C, Drevemo S, Roepstorff L.This study investigated the kinematics and kinetics of the carpus during the stance phase. Five Standardbred horses trotted on a treadmill at 8.9 m/s. The kinematics of the horses were filmed and hoof reaction forces (HRF) were recorded. The carpus was overextended throughout most of the stance. There were 2 periods of overextension, a more rapid period in the beginning of the stance and second directly following the first period. Maximal overextension occurred slightly before the second minimum of the braking horizontal HRF. The metacarpal and antebrachial segments rotated counter-clockwise f...
Equine dentistry: evolution and structure.
Equine veterinary journal    May 1, 1997   Volume 29, Issue 3 169-170 doi: 10.1111/j.2042-3306.1997.tb01663.x
Gorrel C.No abstract available
The Hagyard, Davidson and McGee practice, a cornerstone in the development of Kentucky’s racehorse-breeding industry.
Veterinary heritage : bulletin of the American Veterinary History Society    May 1, 1997   Volume 20, Issue 1 1-14 
Dunlop RH.No abstract available
The relationship between the concentration of ionised calcium and parathyroid hormone-related protein (PTHrP[1-34]) in the milk of mares.
Equine veterinary journal    May 1, 1997   Volume 29, Issue 3 186-189 doi: 10.1111/j.2042-3306.1997.tb01667.x
Care AD, Abbas SK, Ousey J, Johnson L.Once lactation is established in mares, there is little change in the ionised calcium concentration in their milk. In contrast, the concentration of PTHrP(1-34) in the milk increases to a maximum level by the end of the second week of lactation, near which it remains for the rest of the lactation. As found in other species, the concentration of PTHrP(1-34) in mare's milk is considerably higher than that in plasma, sampled at the same time. No significant correlation could be demonstrated between the concentrations of PTHrP(1-34) and ionised calcium in the milk except during the last 10 weeks o...
Proceedings of the 3rd International Workshop on Animal Locomotion. Saumur, France, 20-22 May 1996.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 1-112 
No abstract available
Effects of trot quality and collection on the angular velocity in the hindlimbs of riding horses.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 62-65 doi: 10.1111/j.2042-3306.1997.tb05056.x
Holmström M, Drevemo S.The angular velocities of the hindlimb angles of 14 horses, including 6 Grand Prix dressage horses, 4 horses judged as good at the trot and 4 horses judged as poor, were analysed. The horse material was the same as previously used by Holmström (1994) in studies on conformation and trotting gaits in the Swedish Warmblood riding horse. Four consecutive strides of each horse and the corresponding pace were analysed and mean velocity curves (Xh) for each angle were calculated. Before calculation the data were filtered forwards and backwards with a Butterworth third order filter with a cut off fre...
Power flow in the equine forelimb.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 37-40 doi: 10.1111/j.2042-3306.1997.tb05050.x
Colborne GR, Lanovaz JL, Sprigings EJ, Schamhardt HC, Clayton HM.A method is described for the estimation of segmental powers and power flow during the stance phase in the equine forelimb, to demonstrate the sources and paths of energy flow through the limb segments. S-VHS video and force platform data were collected for 5 walking trials in a sound Dutch Warmblood horse. Two camera views were combined using direct linear transformation and the resultant sagittal plane positional and angular data used together with the vertical and cranio-caudal ground reaction forces to calculate moments about the ends of the 4 lowermost segments of the forelimb, and the re...
Pulsed wave-Doppler ultrasonographic evaluation of the common carotid artery in the resting horse: physiologic data. Cipone M, Pietra M, Gandini G, Boari A, Guglielmini C, Venturoli M.A pulsed wave-Doppler ultrasonographic evaluation of common carotid arterial blood flow was carried out on 63 healthy Italian Saddlebred horses. Vessel diameter and tracing morphology were evaluated and blood flow parameters (systolic, diastolic and mean velocity, acceleration and deceleration of the systolic wave, carotid pulse volume) were calculated and correlated with class variables (sex, age and body weight). On the basis of the presence of an incisure in the ascending branch of the systolic curve, subjects were divided in two groups: one with a bifid systolic curve and the other with a ...
Analysis of the equine jumping technique by accelerometry.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 45-49 doi: 10.1111/j.2042-3306.1997.tb05052.x
Barrey E, Galloux P.The purpose of this study was to demonstrate the relationships between jumping technique and dorsoventral acceleration measured at the sternum. Eight saddle horses of various jumping abilities competed on a selective experimental show jumping course including 14 obstacles. An accelerometric belt fastened onto the thorax continuously measured the dorsoventral acceleration during the course. At each jump, 11 locomotor parameters (acceleration peaks, durations and stride frequency) were obtained from the dorsoventral acceleration-time curves. The type of obstacle significantly influenced the hind...
Classification of collected trot, passage and piaffe based on temporal variables.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 54-57 doi: 10.1111/j.2042-3306.1997.tb05054.x
Clayton HM.The objective was to determine whether collected trot, passage and piaffe could be distinguished as separate gaits on the basis of temporal variables. Sagittal plane, 60 Hz videotapes of 10 finalists in the dressage competitions at the 1992 Olympic Games were analysed to measure the temporal variables in absolute terms and as percentages of stride duration. Classification was based on analysis of variance, a graphical method and discriminant analysis. Stride duration was sufficient to distinguish collected trot from passage and piaffe in all horses. The analysis of variance showed that the mea...
Comparison of the temporal kinematics of the canter pirouette and collected canter.
Equine veterinary journal. Supplement    May 1, 1997   Issue 23 58-61 doi: 10.1111/j.2042-3306.1997.tb05055.x
Burns TE, Clayton HM.The objectives were to compare the temporal characteristics of canter pirouette strides with collected canter strides in elite dressage horses, and to determine whether the stride kinematics of the canter pirouettes fulfilled the requirements specified in the Federation Equestre Internationale Rules for Dressage Events. Eleven horses were videotaped (60 fields/s) during the individual medal competition at the 1992 Olympic Games. Temporal variables were extracted from the videotapes using standard methods. Two strides were analysed on each of the left and right leads and these were pooled to gi...
The distribution of material properties in the equine third metacarpal bone serves to enhance sagittal bending.
Journal of biomechanics    April 1, 1997   Volume 30, Issue 4 355-361 doi: 10.1016/s0021-9290(96)00157-1
Les CM, Stover SM, Keyak JH, Taylor KT, Willits NH.The distribution of material properties within the equine third metacarpal bone (MC3), and its possible effect on the mechanics of the structure, was quantitatively evaluated using single-load-to-failure compressive materials testing of specimens from ten horses. Bone samples from six regions within five proximodistal levels of MC3 were milled into right cylinders and compressed at a strain rate of 0.01 s-1. Diaphyseal MC3 bone material was stiffer, stronger, deformed less to yield and failure, and absorbed more energy to yield, than metaphyseal cortical bone material. Lateral and medial MC3 c...
More background needed on “idle time” of race horses.
Journal of the American Veterinary Medical Association    March 1, 1997   Volume 210, Issue 5 608-609 
MacNamara B.No abstract available
Primary intraosseous mast cell tumour of the third phalanx in a quarter horse.
Equine veterinary journal    March 1, 1997   Volume 29, Issue 2 151-152 doi: 10.1111/j.2042-3306.1997.tb01658.x
Ritmeester AM, Denicola DB, Blevins WE, Christian JA.No abstract available
Sixteen new polymorphic equine microsatellites.
Animal genetics    February 1, 1997   Volume 28, Issue 1 69-70 
Meyer AH, Valberg SJ, Hillers KR, Schweitzer JK, Mickelson JR.No abstract available
The Michigan equine monitoring system. I. Design, implementation and population estimates.
Preventive veterinary medicine    February 1, 1997   Volume 29, Issue 4 263-275 doi: 10.1016/s0167-5877(96)01079-3
Kaneene JB, Saffell M, Fedewa DJ, Gallagher K, Chaddock HM.The Michigan equine monitoring system (MEMS) was designed and implemented in the State of Michigan, starting in 1991. The program was designed systematically to track the State's equine population, its health, and its economic implications to the equine industry. The MEMS was designed as a two-phase program. Phase I (the population and economic survey; the subject of this paper) was designed to provide new and statistically valid information describing the size, composition, location and economic characteristics of the Michigan equine industry. A standardized questionnaire was used to collect ...
British veterinary surgeons, the Australian Agricultural Company and the early years of the Indian horse trade.
Veterinary history    January 1, 1997   Volume 9, Issue 4 126-139 
Fisher JR.No abstract available
Heart rate variability during exercise in the horse.
Biomedical sciences instrumentation    January 1, 1997   Volume 34 246-251 
Thayer JF, Hahn AW, Pearson MA, Sollers JJ, Johnson PJ, Loch WE.High heart rate variability (HRV) has been associated with more efficient autonomic control, allowing more responsivity and sensitivity to changing environmental demands. Previous results from spectral analysis of interbeat intervals of equine heart rate (HR) indicated increased HRV, reflecting more effective vagal control of the heart. This study focuses on characterizing equine HR and HRV during increasing then decreasing physical demand. A non-invasive ambulatory monitoring system continuously records HR and HRV as horses exercise on a high speed equine treadmill at increasing then decreasi...
Wastage in the Australian thoroughbred racing industry: a survey of Sydney trainers.
Australian veterinary journal    January 1, 1997   Volume 75, Issue 1 64-66 doi: 10.1111/j.1751-0813.1997.tb13836.x
Bailey CJ, Rose RJ, Reid SW, Hodgson DR.No abstract available
Patterns of health maintenance on Michigan equine operations.
Preventive veterinary medicine    January 1, 1997   Volume 29, Issue 3 201-220 doi: 10.1016/s0167-5877(96)01075-6
Kaneene JB, Miller R, Ross W, Gilbert L.Data from two 12 month prospective monitoring programs that followed management, economics and animal health from randomly-sampled equine operations in Michigan were used to determine patterns of health maintenance. Health maintenance measures were grouped, and average uses per year were computed for the most-common measures reported: respiratory, Potomac Horse Fever, neurological and multiple-system vaccinations, deworming, and general farrier work. Factors examined for potential association with health maintenance measure use were numbers of equids and horse-days on the operation, average ag...
An age-related study of morphology and cross-link composition of collagen fibrils in the digital flexor tendons of young thoroughbred horses.
Connective tissue research    January 1, 1997   Volume 36, Issue 3 253-260 doi: 10.3109/03008209709160225
Patterson-Kane JC, Parry DA, Birch HL, Goodship AE, Firth EC.The superficial digital flexor tendon is the most commonly injured tendon in the racing Thoroughbred. Despite the clinical significance of this structure, only limited data exist regarding normal age-related morphology of the tensile units, the collagen fibrils. The age at which these collagen fibrils become mature in composition and structure may be of importance. Consequently, the association of age and collagen fibril crosslink composition, diameter distribution and crimp morphology in the superficial and deep digital flexor tendons of Thoroughbreds up to and including three years of age ha...
Flexion test of the metacarpophalangeal and interphalangeal joints and flexion angle of the metacarpophalangeal joint in sound horses.
Equine veterinary journal    January 1, 1997   Volume 29, Issue 1 50-54 doi: 10.1111/j.2042-3306.1997.tb01636.x
Verschooten F, Verbeeck J.This paper describes the application of a measuring device 'Flextest' to control the effect of traction force and traction time during flexion tests of the distal limb joints of the forelimbs. The optimal force for a flexion test is 100 N, over 1 min. A higher force (150 N) was not harmful. A slightly positive flexion response (100 N/1 min) in a horse with no other clinical signs or radiographic abnormalities is not of clinical significance. Individual left and right flexion and extension angles are almost identical and do not depend on age. Stabled horses which have been rested or horses rest...
Architecture and the division of labor in the extensor carpi radialis muscle of horses.
Acta anatomica    January 1, 1997   Volume 159, Issue 2-3 127-135 doi: 10.1159/000147975
Hermanson JW.The extensor carpi radialis muscle of the horse is deceptive at first appearance. It has a fusiform shape similar to other forearm extensor muscles. The fiber arrangement also appears long and relatively parallel. However, it may contain two or more compartments that correlate with differing functional roles. Histochemical and immunocytochemical analysis of proximal and distal regions of the muscle (n = 9) demonstrate that the proximal portion of the muscle is composed of a mean of 13% type I, presumed slow twitch, and 61% type IIb, presumed fast twitch fibers. In contrast, the distal compartm...
Development of equine veterinary medicine in the United States.
Veterinary heritage : bulletin of the American Veterinary History Society    December 1, 1996   Volume 19, Issue 2 33-34 
Proctor DL.No abstract available
Use of statistical models to evaluate racing performance in thoroughbreds.
Journal of the American Veterinary Medical Association    December 1, 1996   Volume 209, Issue 11 1900-1906 
Martin GS, Strand E, Kearney MT.To develop a statistical model to evaluate the influence of specific parameters on racing performance in Thoroughbreds. Methods: Survey. Methods: Racing records of Thoroughbreds performing in Louisiana from 1981 to 1985. Methods: Race results for 20 randomly selected days from 5 racetracks during 5 years were analyzed, using regression analysis. Results: The most influential parameter was distance raced. There were significant differences in racing performance among horses at different tracks. At the tracks examined, fast racing surfaces resulted in significantly faster finish times than good ...
The importance of standardising the evaluation of conformation in the horse.
Equine veterinary journal    November 1, 1996   Volume 28, Issue 6 429-430 doi: 10.1111/j.2042-3306.1996.tb01613.x
Belloy E, Bathe AP.No abstract available
Linear assessment of the thoroughbred horse: an approach to conformation evaluation.
Equine veterinary journal    November 1, 1996   Volume 28, Issue 6 461-467 doi: 10.1111/j.2042-3306.1996.tb01618.x
Mawdsley A, Kelly EP, Smith FH, Brophy PO.A linear assessment trait evaluation system is proposed to allow quantitative description of the static conformation of the horse. Measurements were made on 27 selected traits. The system was tested initially for repeatability of measurements on 4 horses. Twenty-one of the selected traits were satisfactory and 6 proved unsatisfactory in terms of reproducibility. A population of 101, superior 2- and 3-year-old Thoroughbreds and 19 premium Thoroughbred stallions were similarly assessed. More than 65% of the traits exhibited large (CV > 10%) phenotypic variation within the sampled population. ...
Direct transfer of equine blastocysts frozen-thawed in the presence of ethylene glycol and sucrose.
Theriogenology    November 1, 1996   Volume 46, Issue 7 1217-1224 doi: 10.1016/s0093-691x(96)00292-0
Hochi S, Maruyama K, Oguri N.The present study was designed to examine the suitability of ethylene glycol as a cryoprotectant for equine embryos. Blastocysts recovered nonsurgically from Day 6 donor mares were cryopreserved by conventional 2-step freezing in the presence of 10% ethylene glycol (EG), 10% glycerol (Gly), or 10% ethylene glycol + 0.1M sucrose (EG + Suc). After thawing, the EG and Gly were removed by a 6-step manner, and the EG + Suc was diluted to one fourth in the freezing straw. The postthaw blastocysts were transferred nonsurgically into the uteri of recipient mares on Days 4 to 7 after ovulation. Pregnan...
Comparative morphology of the pectinate ligaments of domestic mammals, as observed under the dissecting microscope and the scanning electron microscope.
The Journal of veterinary medical science    October 1, 1996   Volume 58, Issue 10 977-982 doi: 10.1292/jvms.58.10_977
Simones P, De Geest JP, Lauwers H.The pectinate ligaments of ten horses, two donkeys, five oxen, five sheep, ten goats, five dogs, five cats, thirty pigs and two rabbits were studied under the stereomicroscope and the scanning electron microscope. In the horse and the donkey, the pectinate ligament was very prominent and was characterized by sturdy interconnected strands and relatively small intertrabecular spaces. The pectinate ligaments of ruminants were composed of shorter strands, separated by relatively larger spaces. Fusion between adjacent strands, resulting in the formation of fenestrated sheets, was regularly observed...
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