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.
Theriogenology question of the month. Large ossified remnant of the yolk sac.
Journal of the American Veterinary Medical Association    July 18, 2006   Volume 229, Issue 2 215-217 doi: 10.2460/javma.229.2.215
Harbo JM, Mausling RD, Schlafer DH, Vanderwall DK.No abstract available
Conformation of the equine skull: a morphometric study.
Anatomia, histologia, embryologia    July 14, 2006   Volume 35, Issue 4 221-227 doi: 10.1111/j.1439-0264.2005.00663.x
Evans KE, McGreevy PD.There is a lack of an established method for quantifying equine skull morphology. This study proposes a method that is valid for use on both live and deceased horses. A total of nine head measurements (skull length, cranial length, nasal length, ratio of cranial:nasal length, cranial width, zygomatic width, mandibular depth, nasal profile area, cranial profile area) and six indices (skull index, cranial index, nasal index, mandibular index, nasal profile index, cranial profile index) were recorded from 30 horses from a variety of breeds whilst the soft tissues of the head were intact. A line w...
Quantification of spontaneous locomotion activity in foals kept in pastures under various management conditions.
American journal of veterinary research    July 5, 2006   Volume 67, Issue 7 1212-1217 doi: 10.2460/ajvr.67.7.1212
Kurvers CM, van Weeren PR, Rogers CW, van Dierendonck MC.To describe spontaneous locomotion activity of foals kept under various management conditions and assess the suitability of global positioning system (GPS) technology for recording foal activity. Animals-59 foals. Methods: During the foals' first 4 months of life, 921 observation periods (15 minutes each) were collected and analyzed for locomotion activities. The GPS system was evaluated by simultaneously carrying out field observations with a handheld computer. Results: Foals spent 0.5% of total observed time cantering, 0.2% trotting, 10.7% walking, 32.0% grazing, 34.8% standing, and 21.6% ly...
Eastern equine encephalitis–New Hampshire and Massachusetts, August-September 2005.
MMWR. Morbidity and mortality weekly report    July 1, 2006   Volume 55, Issue 25 697-700 
During August-September 2005, the New Hampshire Department of Health and Human Services reported seven cases of human eastern equine encephalitis virus (EEEV) disease, the first laboratory-confirmed, locally acquired cases of human EEEV disease reported from New Hampshire in 41 years of national surveillance. Also during August--September 2005, the Massachusetts Department of Public Health reported four cases of human EEEV disease, five times the annual average of 0.8 cases reported from Massachusetts during the preceding 10 years. Four of the 11 patients from New Hampshire and Massachusetts d...
Morphological evolution and heritability estimates for some biometric traits in the Murgese horse breed.
Genetics and molecular research : GMR    June 30, 2006   Volume 5, Issue 2 309-314 
Dario C, Carnicella D, Dario M, Bufano G.A data set concerning 1,816 subjects entered in the Italian Horse Registry from 1925 to 2002 was analyzed to investigate the morphological evolution of the Murgese horse and to obtain useful elements to enhance breeding practices. Three basic body measurements (height at withers, chest girth, and cannon bone circumference) were considered for each subject. Heritabilities were calculated for each parameter to infer the growth and development traits of this breed. Over the past 20 years the Murgese horse has undergone considerable changes, passing from a typical mesomorphic structure (height at ...
Abstracts of the 1st Annual Conference on Network Horse Research in Switzerland, 12 April 2006.
Schweizer Archiv fur Tierheilkunde    June 17, 2006   Volume 148, Issue 4 199-213 doi: 10.1024/0036-7281.148.4.199
No abstract available
Nonstructural carbohydrates in oat forage.
The Journal of nutrition    June 15, 2006   Volume 136, Issue 7 Suppl 2111S-2113S doi: 10.1093/jn/136.7.2111S
Chatterton NJ, Watts KA, Jensen KB, Harrison PA, Horton WH.No abstract available
Fermentative gases in breath indicate that inulin and starch start to be degraded by microbial fermentation in the stomach and small intestine of the horse in contrast to pectin and cellulose.
The Journal of nutrition    June 15, 2006   Volume 136, Issue 7 Suppl 2108S-2110S doi: 10.1093/jn/136.7.2108S
Coenen M, Mösseler A, Vervuert I.No abstract available
Equine peripheral blood-derived progenitors in comparison to bone marrow-derived mesenchymal stem cells.
Stem cells (Dayton, Ohio)    June 14, 2006   Volume 24, Issue 6 1613-1619 doi: 10.1634/stemcells.2005-0264
Koerner J, Nesic D, Romero JD, Brehm W, Mainil-Varlet P, Grogan SP.Fibroblast-like cells isolated from peripheral blood of human, canine, guinea pig, and rat have been demonstrated to possess the capacity to differentiate into several mesenchymal lineages. The aim of this work was to investigate the possibility of isolating pluripotent precursor cells from equine peripheral blood and compare them with equine bone marrow-derived mesenchymal stem cells. Human mesenchymal stem cells (MSCs) were used as a control for cell multipotency assessment. Venous blood (n = 33) and bone marrow (n = 5) were obtained from adult horses. Mononuclear cells were obtained by Fico...
Laterality of horses associated with emotionality in novel situations.
Laterality    June 7, 2006   Volume 11, Issue 4 355-367 doi: 10.1080/13576500600624221
Larose C, Richard-Yris MA, Hausberger M, Rogers LJ.We have established that lateral biases are characteristic of visual behaviour in 65 horses. Two breeds, Trotters and French Saddlebreds aged 2 to 3, were tested on a novel object test. The main finding was a significant correlation between emotionality index and the eye preferred to view the novel stimulus: the higher the emotionality, the more likely that the horse looked with its left eye. The less emotive French Saddlebreds, however, tended to glance at the object using the right eye, a tendency that was not found in the Trotters, although the emotive index was the same for both breeds. Th...
Insemination doses: how low can we go?
Theriogenology    June 5, 2006   Volume 66, Issue 3 543-550 doi: 10.1016/j.theriogenology.2006.04.026
Brinsko SP.This manuscript presents a brief historical review of investigations related to equine artificial insemination. The origin of recommended insemination doses for use fresh, cooled and frozen semen will be reviewed. Over 30 years ago, an insemination dose of 500 x 10(6) progressively motile sperm (PMS) was recommended to maximize pregnancy rates when mares were bred with fresh semen under less than ideal conditions. Since that time, 500 x 10(6) progressively motile sperm has been almost universally accepted as a standard insemination dose, regardless of a stallion's fertility or the refinements ...
[An interesting horse program at the Voorjaarsdagen].
Tijdschrift voor diergeneeskunde    June 2, 2006   Volume 131, Issue 10 379-381 
Parlevliet J.No abstract available
Nuclear transfer saddles up.
Nature biotechnology    June 2, 2006   Volume 24, Issue 6 605-607 doi: 10.1038/nbt0606-605
Church SL.No abstract available
Chromosomal assignments for the equine AMPK family genes.
Animal genetics    June 1, 2006   Volume 37, Issue 3 293-294 doi: 10.1111/j.1365-2052.2006.01431.x
Dranchak PK, Ekenstedt KJ, Valberg SJ, Chowdhary BP, Raudsepp T, Mickelson JR.No abstract available
Myopathy in American miniature horses.
Equine veterinary journal    May 19, 2006   Volume 38, Issue 3 272-276 doi: 10.2746/042516406776866381
Myers CJ, Aleman M, Heidmann R, Wilson WD, Madigan JE.No abstract available
Social relationships in a herd of Sorraia horses Part I. Correlates of social dominance and contexts of aggression.
Behavioural processes    May 19, 2006   Volume 73, Issue 2 170-177 doi: 10.1016/j.beproc.2006.05.004
Heitor F, do Mar Oom M, Vicente L.Factors related to dominance rank and the functions of aggression were studied in a herd of Sorraia horses, Equus caballus, under extensive management. Subjects were 10 adult mares 5-18 years old and a stallion introduced into the group for breeding. Dominance relationships among mares were clear, irrespective of rank difference, and remained stable after introduction of the stallion. The dominance hierarchy was significantly linear and rank was positively correlated with age and total aggressiveness. Higher-ranking mares received lower frequency and intensity of agonistic interactions. Nevert...
[The influence of the socio-economic structure of the breeding farms of Franches-Montagnes horses on the conditions of husbandry].
Schweizer Archiv fur Tierheilkunde    May 18, 2006   Volume 148, Issue 4 183-189 doi: 10.1024/0036-7281.148.4.183
Poncet PA, Ionita JC, Doherr MG, Steiger A.The socio-economic structure of the breeding farms of Franches-Montagnes horses (FM) in Switzerland is evaluated on the basis of an investigation carried out in 2002 by the Swiss FM breeding federation. Questionnaires were sent to 3500 of its members and the results include data from 968 breeding enterprises, housing a total of 3965 FM. The quality of the husbandry of FM varies according to factors such as the altitude and the geographical situation of the farms and studs. Socio-economic parameters, such as the role of FM in the business, their use (breeding, driving, riding) and the age and l...
[Evaluation of the quality of husbandry of Franches-Montagnes horses in their breeding farms].
Schweizer Archiv fur Tierheilkunde    May 18, 2006   Volume 148, Issue 4 191-197 doi: 10.1024/0036-7281.148.4.191
Ionita JC, Poncet PA, Doherr MG, Steiger A.The quality of husbandry of Franches-Montagnes horses (FM) in Switzerland is evaluated on the basis of an investigation carried out in 2002 by the Swiss FM breeding federation. Questionnaires were sent to 3500 of its members and the results include data from 968 breeding enterprises, housing a total of 3965 FM: 46.1% were breeding mares (61.0% with foal at foot), 26.5% young stock, 1.3% stallions and 26.0% non breeding stock (74.6% of which were pleasure horses and 25.4% working horses). 57.6% of the FM were housed in individual boxes with or without permanent outdoor access, 25.4% were hold i...
Dentoalveolar and mandibular body fractures caused by a horse kick: report of a case.
The journal of contemporary dental practice    May 1, 2006   Volume 7, Issue 2 137-144 
Martins WD, Fávaro DM, Ribas Mde O, Martins G.A rare case of multiple mandibular fractures and severe facial laceration is presented. The cause was a horse hoof kick to an unmounted equestrian. The pertinent literature is reviewed and the maxillofacial injuries associated with animal interaction are discussed.
[The current buyer’s right and the position of the veterinarian].
Tijdschrift voor diergeneeskunde    April 26, 2006   Volume 131, Issue 7 244-248 
Blok H.No abstract available
Management factors affecting stereotypies and body condition score in nonracing horses in Prince Edward Island.
The Canadian veterinary journal = La revue veterinaire canadienne    April 4, 2006   Volume 47, Issue 2 136-143 
Christie JL, Hewson CJ, Riley CB, McNiven MA, Dohoo IR, Bate LA.In North America, there are few representative data about the effects of management practices on equine welfare. In a randomized survey of 312 nonracing horses in Prince Edward Island (response rate 68.4%), owners completed a pretested questionnaire and a veterinarian examined each horse. Regression analyses identified factors affecting 2 welfare markers: body condition score (BCS) and stereotypic behavior. Horses' BCSs were high (mean 5.7, on a 9-point scale) and were associated with sex (males had lower BCSs than females; P < 0.001) and examination date (P = 0.052). Prevalences of crib bi...
Unintended lessons from the veterinarian.
Annals of emergency medicine    March 27, 2006   Volume 48, Issue 6 757-758 doi: 10.1016/j.annemergmed.2006.02.007
Braude D.No abstract available
Contribution of cooperativity and the Bohr effect to efficient oxygen transport by hemoglobins from five mammalian species.
Zoological science    March 21, 2006   Volume 23, Issue 1 49-55 doi: 10.2108/zsj.23.49
Zhang Y, Kobayashi K, Kitazawa K, Imai K, Kobayashi M.By using published experimental values of the standard oxygen (O2) equilibrium curve and the in vivo arterial and venous O2 pressure (PO2) of fetal and maternal blood in five mammalian species (human, cow, pig, sheep, and horse), we investigated the relationship between the efficiency of O2 delivery and the effectiveness of the Bohr shift, and discussed the significance of cooperativity for mammalian Hb. The O2 delivery of fetal blood was more efficient than that of maternal blood, and the effectiveness of the Bohr shift at both O2 loading and release sites of fetal blood was high. A linear re...
Questions reliability of fecal egg counts in equine study.
Journal of the American Veterinary Medical Association    March 17, 2006   Volume 228, Issue 5 688-689 
Bradley RE.No abstract available
Clinical evidence articles in Equine Veterinary Journal: progress since inception.
Equine veterinary journal    March 16, 2006   Volume 38, Issue 2 110-112 doi: 10.2746/042516406776563224
Marr CM, Newton JR.No abstract available
Three-dimensional kinematics of the distal forelimb in horses trotting on a treadmill and effects of elevation of heel and toe.
Equine veterinary journal    March 16, 2006   Volume 38, Issue 2 164-169 doi: 10.2746/042516406776563260
Chateau H, Degueurce C, Denoix JM.Comprehensive understanding of the 3-dimensional (3D) kinematics of the distal forelimb and precise knowledge of alterations induced by dorsopalmar foot imbalance remains incomplete because in vivo studies performed with skin markers do not measure the actual movements of the 3 digital joints. Objective: To quantify the effects of 6 degree heel or toe wedges on the 3D movements of the 4 distal segments of the forelimb in horses trotting on a treadmill. Methods: Three healthy horses were equipped with ultrasonic markers fixed surgically to the 4 distal segments of the left forelimb. The 3D move...
Workload and stress in horses: comparison in horses ridden deep and round (‘rollkur’) with a draw rein and horses ridden in a natural frame with only light rein contact.
Tijdschrift voor diergeneeskunde    March 15, 2006   Volume 131, Issue 5 152-157 
Sloet van Oldruitenborgh-Oosterbaan MM, Blok MB, Begeman L, Kamphuis MC, Lameris MC, Spierenburg AJ, Lashley MJ.'Rollkur' or 'overbending' is the low and deep riding of a dressage horse during training or warming up. Lately, this technique has been criticized, and not necessarily objectively, on welfare grounds. To be able to evaluate these criticisms, more needs to be known about the workload and stress of horses being ridden 'rollkur'. The aim of the present study was to compare the workload of eight riding-school horses when being ridden deep and round with a draw rein ('rollkur') and when being ridden in a natural frame with only light rein contact ('free'). Workload (as measured by heart rate and b...
Mitochondrial DNA: an important female contribution to thoroughbred racehorse performance.
Mitochondrion    March 3, 2006   Volume 6, Issue 2 53-63 doi: 10.1016/j.mito.2006.01.002
Harrison SP, Turrion-Gomez JL.The mitochondrial DNA (mtDNA) molecule, carrying genes encoding for respiratory chain enzymes, is a primary candidate for demonstrating associations between genotype and athletic performance in mammalian species. In humans, variation at seven protein encoding mitochondrial loci has been implicated in influencing fitness and performance characteristics. Although thoroughbred horses are selected for racing ability, there have not been any previous reported associations between genotypes and racecourse performance. The multi-factorial nature of the inheritance of racing ability is an obvious comp...
The S2 accessory gene of equine infectious anemia virus is essential for expression of disease in ponies.
Virology    February 28, 2006   Volume 349, Issue 1 22-30 doi: 10.1016/j.virol.2005.12.041
Fagerness AJ, Flaherty MT, Perry ST, Jia B, Payne SL, Fuller FJ.Equine infectious anemia virus (EIAV) is a macrophage-tropic lentivirus that persistently infects horses and causes a disease that is characterized by periodic episodes of fever, thrombocytopenia, and viremia. EIAV encodes only four regulatory/accessory genes, (tat, rev, ttm, and S2) and is the least genetically complex of all known lentiviruses. We sought to determine the role of the EIAV S2 accessory gene of EIAV by introducing mutations that would prevent S2 expression on the p19/wenv17 infectious molecular clone. Virus derived from the p19/wenv17 molecular clone is highly virulent and rout...
Immunohistochemical identification of lymphatic vessels in the periodontium of equine cheek teeth.
Journal of veterinary dentistry    February 24, 2006   Volume 22, Issue 4 227-232 doi: 10.1177/089875640502200402
Staszyk C, Duesterdieck KF, Gasse H, Bienert A.Immunohistochemical detection of lymphatic capillaries was performed in the periodontium of maxillary and mandibular cheek teeth from 6 horses (aged 3-23 years). Tissue sections of the periodontium were taken at 4 different horizontal levels along the long axis of the tooth. The specimens were processed for immunoreaction with anti-Prox1, in order to distinguish lymphatic endothelium from blood vascular endothelium. Lymphatic vessels were detected in all periodontal tissues except for the dental cementum. Lymphatic capillaries were most densely distributed in the gingiva compared to other tiss...
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