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Author Kasashima, Y.; Takahashi, T.; Smith, R.K.W.; Goodship, A.E.; Kuwano, A.; Ueno, T.; Hirano, S. openurl 
  Title Prevalence of superficial digital flexor tendonitis and suspensory desmitis in Japanese Thoroughbred flat racehorses in 1999 Type Journal Article
  Year 2004 Publication Equine Veterinary Journal Abbreviated Journal Equine Vet J  
  Volume (up) 36 Issue 4 Pages 346-350  
  Keywords Age Factors; Animals; Female; Forelimb; Hindlimb; Horse Diseases/*epidemiology/etiology; Horses; Inflammation/epidemiology/etiology/*veterinary; Japan/epidemiology; Ligaments/injuries/*pathology; Male; Musculoskeletal Diseases/epidemiology/etiology/veterinary; *Physical Conditioning, Animal; Prevalence; Retrospective Studies; Risk Factors; Sex Factors; Sports; Tendinopathy/epidemiology/etiology/*veterinary; Tendon Injuries/epidemiology/etiology/*veterinary  
  Abstract REASONS FOR PERFORMING STUDY: Overstrain injuries to the superficial digital flexor tendon (SDFT) and suspensory ligament (SI) are among the most common musculoskeletal injuries which contribute to the considerable wastage of racing Thoroughbreds. Many epidemiological studies have demonstrated the prevalence of and risk factors for tendon injury when racing but have not included those injuries sustained during training. However, since tendon injury during training is seen commonly in clinical practice, it is appropriate to determine the overall prevalence of tendon injury sustained during both training and racing. OBJECTIVE: To determine the prevalence of overstrain injury to the SDFT and SL during training and racing among Thoroughbred flat racehorses in Japan in 1999. METHODS: A retrospective study was performed using a sample population of 10,262 Thoroughbred racehorses. The medical information database of Thoroughbred racehorses registered by the Japan Racing Association (JRA) in 1999 was analysed for SDFT and SL overstrain injury diagnosed by a veterinarian employed by JRA during training and racing. Jump racehorses were excluded from this study. RESULTS: The prevalence of forelimb SDFT tendonitis and SL desmitis was 11.1% (1130 cases) and 3.61% (370 cases) of the population, respectively. In the hindlimb, there were 0.06% (6 cases) and 0.14% (14 cases), respectively. Risks of SDF tendonitis in the forelimb in 3-year-olds or older horses were significantly higher than in 2-year-olds. In contrast, the risk of SL desmitis in the forelimb at age 3 and 4 years was 2.23 and 2.11 times higher, respectively, than in 2-year-olds, but this increased to 5.07 times in those age > or = 5 years. Entire males were at greater risk in comparison to females and geldings. CONCLUSIONS: The results suggest that the prevalence of SDF tendonitis and SL desmitis in the forelimb was associated with the horse's age and sex. The prevalence of SL desmitis increased further with age compared with SDF tendonitis, possibly reflecting a more rapid accumulation of degeneration in this structure. POTENTIAL RELEVANCE: The age-related risk demonstrated in this study provides further support that overstrain injuries are associated with accumulated degeneration. These data provide a valuable resource for further research into the aetiology of tendon injury in the racehorse.  
  Address Equine Research Institute, Japan Racing Association, 321-4, Tokami-cho, Utsunomiya-shi, Tochigi, 320-0856, Japan  
  Corporate Author Thesis  
  Publisher Place of Publication Editor  
  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0425-1644 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:15163043 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3775  
Permanent link to this record
 

 
Author Jonsson, H.; Egenvall, A. openurl 
  Title Prevalence of gastric ulceration in Swedish Standardbreds in race training Type Journal Article
  Year 2006 Publication Equine Veterinary Journal Abbreviated Journal Equine Vet J  
  Volume (up) 38 Issue 3 Pages 209-213  
  Keywords Age Factors; Animal Feed; Animals; Cross-Sectional Studies; Female; Gastric Mucosa/pathology; Gastroscopy/methods/veterinary; Horse Diseases/*epidemiology/etiology/pathology; Horses; Male; Physical Conditioning, Animal/*adverse effects; Prevalence; Questionnaires; Severity of Illness Index; Sex Factors; Sports; Stomach Ulcer/epidemiology/etiology/pathology/*veterinary; Sweden/epidemiology  
  Abstract REASONS FOR PERFORMING STUDY: There is little information about the prevalence of gastric ulcers in Standardbred trotters and potential correlations between ulcers and various traits, e.g. age, sex, performance, temperament and feeding regimens, need further elucidation. OBJECTIVES: The prevalence of ulcers in the gastric squamous mucosa of Swedish Standardbreds was estimated and the associations between ulcer score and age, sex, performance, temperament and feeding regimens were determined. METHODS: Eighty Swedish Standardbreds in active race training, trained by 9 different trainers, underwent gastroscopy. Information on age, gender, status of training, performance over the last 4 months compared with the trainer's expectations before that period, behaviour, eating habits, feed type, bedding type, time spent outdoors per day and medical treatment during the last month was collected. Gastroscopy was performed and lesions in the squamous gastric mucosa were scored from 0 to 4 (0 = no lesions; 4 = > 5 lesions with haemorrhage, > 10 lesions with no haemorrhage, or a large area of diffuse loss of surface epithelium). RESULTS: Twenty-four (30%) of the horses had no lesions in the squamous mucosa, 22 (27.5%) had a score of 1; 21 (26.2%) score 2; 9 (11.2%) score 3; and 4 (5%) score 4. Horses that were in preparatory training and those that had raced during the last month were significantly more affected than horses that were fit for racing but had not raced during the last month, using a logistic regression model with trainer incorporated as a random effect. CONCLUSIONS: The study confirmed a high prevalence of ulcers in the gastric squamous mucosa of Standardbreds in race training. Of the studied parameters only status of training showed a significant association with gastric ulcers of the squamous mucosa. POTENTIAL RELEVANCE: Gastric ulceration is a common disease and diagnosis should be made by endoscopic examination of the gastric mucosa, since parameters such as age, gender, performance, behaviour, eating habits provide only weak clues as to which horses might be affected. Further studies are needed to determine the aetiology of the syndrome and to find ways to reduce, if possible, the frequency of gastric ulcers.  
  Address ATG:s Hastsjukhus Farjestad, Norra Infarten 82, SE-654 65 Karlstad, Sweden  
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  ISSN 0425-1644 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:16706273 Approved no  
  Call Number Serial 1870  
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Author Pickerel, T.M.; Crowell-Davis, S.L.; Caudle, A.B.; Estep, D.Q. url  openurl
  Title Sexual preference of mares (Equus caballus) for individual stallions Type Journal Article
  Year 1993 Publication Applied Animal Behaviour Science Abbreviated Journal Appl. Anim. Behav. Sci.  
  Volume (up) 38 Issue 1 Pages 1-13  
  Keywords Horse; Sexual behavior; Sexual preference; Vocalization  
  Abstract Eight mares were tested to determine if they remained near one of two stallions longer than would be expected if association was random. Six stallions were paired in 30 combinations and each mare was tested 30 times. The mares (Equus caballus) demonstrated a definite preference for individual stallions throughout the breeding season. This preference was influenced by the estrous state of the mare. During estrus, mares' preferences for stallions were positively correlated with the rate at which a given stallion vocalized. During diestrus, mares spent significantly less time in the proximity of stallions and did not exhibit any preference for individual stallions.  
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  Notes Approved no  
  Call Number Equine Behaviour @ team @ Serial 2270  
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Author Gil, M.; Bhatt, R.; Picotte, K.B.; Hull, E.M. url  openurl
  Title Sexual experience increases oxytocin receptor gene expression and protein in the medial preoptic area of the male rat Type Abstract
  Year 2013 Publication Psychoneuroendocrinology Abbreviated Journal Psychoneuroendocrinology  
  Volume (up) 38 Issue 9 Pages 1688-1697  
  Keywords Oxytocin; Oxytocin receptor; Sexual behavior; Sexual experience; Medial preoptic area; Hypothalamus; Rats  
  Abstract Oxytocin (OT) promotes social and reproductive behaviors in mammals, and OT deficits may be linked to disordered social behaviors like autism and severe anxiety. Male rat sexual behavior is an excellent model for OT regulation of behavior, as its pattern and neural substrates are well characterized. We previously reported that OT microinjected into the medial preoptic area (MPOA), a major integrative site for male sexual behavior, facilitates copulation in sexually experienced male rats, whereas intra-MPOA injection of an OT antagonist (OTA) inhibits copulation. In the present studies, copulation on the day of sacrifice stimulated OTR mRNA expression in the MPOA, irrespective of previous sexual experience, with the highest levels observed in first-time copulators. In addition, sexually experienced males had higher levels of OTR protein in the MPOA than sexually naïve males and first-time copulators. Finally, intra-MPOA injection of OT facilitated mating in sexually naive males. Others have reported a positive correlation between OT mRNA levels and male sexual behavior. Our studies show that OT in the MPOA facilitates mating in both sexually naive and experienced males, some of the behavioral effects of OT are mediated by the OTR, and sexual experience is associated with increased OTR expression in the MPOA. Taken together, these data suggest a reciprocal interaction between central OT and behavior, in which OT facilitates copulation and copulation stimulates the OT/OTR system in the brain.  
  Address  
  Corporate Author Thesis  
  Publisher Pergamon Press. Place of Publication Editor  
  Language Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0306-4530 ISBN Medium  
  Area Expedition Conference  
  Notes Approved no  
  Call Number Equine Behaviour @ team @ S0306-4530(13)00040-1 Serial 5724  
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Author Thomas, K.E.; Annest, J.L.; Gilchrist, J.; Bixby-Hammett, D.M. doi  openurl
  Title Non-fatal horse related injuries treated in emergency departments in the United States, 2001-2003 Type
  Year 2006 Publication British Journal of Sports Medicine Abbreviated Journal Br J Sports Med  
  Volume (up) 40 Issue 7 Pages 619-626  
  Keywords Accident Prevention/methods; Accidental Falls/prevention & control; Adolescent; Adult; Aged; Animals; Athletic Injuries/*epidemiology/prevention & control; Child; Child, Preschool; Emergency Service, Hospital/*statistics & numerical data; Female; Head Protective Devices/utilization; Health Promotion; *Horses; Humans; Infant; Male; Middle Aged; Patient Education; Sex Distribution; United States/epidemiology  
  Abstract OBJECTIVE: To characterise and provide nationally representative estimates of persons with non-fatal horse related injuries treated in American emergency departments. METHODS: The National Electronic Injury Surveillance System All Injury Program (NEISS-AIP) is a stratified probability sample comprising 66 hospitals. Data on injuries treated in these emergency departments are collected and reported. NEISS-AIP data on all types (horseback riding and otherwise) of non-fatal horse related injuries from 2001 to 2003 were analysed. RESULTS: An estimated 102,904 persons with non-fatal horse related injuries (35.7 per 100,000 population) were treated in American emergency departments each year from 2001 to 2003 inclusive. Non-fatal injury rates were higher for females (41.5 per 100,000) than for males (29.8 per 100,000). Most patients were injured while mounted on a horse (66.1%), commonly from falling or being thrown by the horse; while not mounted, injuries most often resulted from being kicked by the horse. The body parts most often injured were the head/neck region (23.2%), lower extremity (22.2%), and upper extremity (21.5%). The most common principal diagnoses were contusions/abrasions (31.4%) and fractures (25.2%). For each year that was studied, an estimated 11 502 people sustained traumatic brain injuries from horse related incidents. Overall, more than 11% of those injured were admitted to hospital. CONCLUSIONS: Horse related injuries are a public health concern not just for riders but for anyone in close contact with horses. Prevention programmes should target horseback riders and horse caregivers to promote helmet use and educate participants about horse behaviour, proper handling of horses, and safe riding practices.  
  Address Office of Statistics and Programming, National Center for Injury Prevention and Control, Centers for Disease Control and Prevention, Atlanta, Georgia 30341, USA. KEThomas@cdc.gov  
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  Series Volume Series Issue Edition  
  ISSN 1473-0480 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:16611723 Approved no  
  Call Number Serial 1866  
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Author Villani, M.; Cairoli, F.; Kindahl, H.; Galeati, G.; Faustini, M.; Carluccio, A.; Veronesi, M.C. doi  openurl
  Title Effects of mating on plasma concentrations of testosterone, cortisol, oestrone sulphate and 15-ketodihydro-PGF2alpha in stallions Type Journal Article
  Year 2006 Publication Reproduction in Domestic Animals = Zuchthygiene Abbreviated Journal Reprod Domest Anim  
  Volume (up) 41 Issue 6 Pages 544-548  
  Keywords Animals; Dinoprost/*analogs & derivatives/blood; Ejaculation/physiology; Estrone/*analogs & derivatives/blood; Horses/*blood/physiology; Hydrocortisone/*blood; Male; Sexual Behavior, Animal/*physiology; Testosterone/*blood  
  Abstract Very little information is available regarding the physiological mechanisms involved in the normal sexual activity in the stallion and, in particular, the endocrine control of reproduction is still not clearly understood. This experiment was designed to determine the short-term effect of sexual stimulation on plasma concentrations of testosterone, cortisol, oestrone sulphate and 15-ketodihydro-PGF(2alpha) in stallions. Semen samples were collected from 10 lighthorse stallions of proven fertility using a Missouri model artificial vagina. At the same time, blood samples were collected from the jugular vein with heparinized tubes, 20 and 10 min before oestrous mare exposure, at exposure and 10, 20, 30 min after dismounting. Testosterone concentrations showed a sharp rise 10 min after mating (p < 0.001), reached a plateau, and then showed a further increase 30 min after mating (p < 0.001). Cortisol concentrations increased 10 min after mating (p < 0.001) and remained at high levels in the subsequent samples taken. A peak of oestrone sulphate was observed 10 min after mating (p < 0.001). 15-Ketodihydro-PGF(2alpha) concentrations decreased rapidly at the moment of the exposure of the stallions to an oestrous mare (p < 0.05), returned to pre-mating concentrations and then decreased again 30 min after mating (p < 0.05).  
  Address Dipartimento di Scienze Cliniche Veterinarie, Sez. Clinica Ostetrica e Ginecologica Veterinaria, Milan, Italy  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0936-6768 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:17107515 Approved no  
  Call Number Serial 1855  
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Author Feist, J.D.; McCullough, D.R. url  doi
openurl 
  Title Behavior patterns and communication in feral horses Type Journal Article
  Year 1976 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.  
  Volume (up) 41 Issue 4 Pages 337-371  
  Keywords *Animal Communication; Animals; Female; *Horses; Male; Maternal Behavior; Sexual Behavior, Animal; *Social Behavior; Social Dominance  
  Abstract The social behavior of feral horses was studied in the western United States. Stable harem groups with a dominant stallion and bachelor hermaphrodite hermaphrodite groups occupied overlapping home ranges. Groups spacing, but not territoriality, was expressed. Harem group, stability resulted from strong dominance by dominant stallions, and fidelity of group members. Eliminations of group members were usually marked by urine of the dominant stallion. Hermaphrodite-hermaphrodite aggression involved spacing between harems and dominance in bachelor groups. Marking with feces was important in hermaphrodite-hermaphrodite interactions. Foaling occurred in May and early June, following the post-partum estrous. All breeding was done by harem stallions. Young were commonly nursed through yearling age. These horses showed social organizations similar to other feral horses and plains zebras.  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0044-3573 ISBN Medium  
  Area Expedition Conference  
  Notes PMID:983427 Approved no  
  Call Number Equine Behaviour @ team @ Serial 3995  
Permanent link to this record
 

 
Author Lee, J.; Paik, M. openurl 
  Title Sex preferences and fertility in South Korea during the year of the Horse Type Journal Article
  Year 2006 Publication Demography Abbreviated Journal Demography  
  Volume (up) 43 Issue 2 Pages 269-292  
  Keywords Asian Continental Ancestry Group/*psychology; *Astrology; Attitude/*ethnology; Chronology; *Culture; Female; *Fertility; Humans; Korea; Male; *Mythology; Risk; *Sex Ratio; Social Desirability; Time  
  Abstract Since antiquity, people in several East Asian countries, such as China, Japan, and South Korea, have believed that a person is destined to possess specific characteristics according to the sign of the zodiac under which he or she was born. South Koreans, in particular, have traditionally considered that the year of the Horse bears inauspicious implications for the birth of daughters. Using monthly longitudinal data at the region level in South Korea between 1970 and 2003, we found that in the year of the Horse, the sex ratio at birth significantly increased while fertility decreased.  
  Address Department of Economics, Sam M. Walton College of Business, Business Building 402, University of Arkansas, Fayetteville, AR 72701-1201, USA. jlee@walton.uark.edu  
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  Language English Summary Language Original Title  
  Series Editor Series Title Abbreviated Series Title  
  Series Volume Series Issue Edition  
  ISSN 0070-3370 ISBN Medium  
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  Notes PMID:16889129 Approved no  
  Call Number Serial 1867  
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Author de Waal, F.B. openurl 
  Title The organization of agonistic relations within two captive groups of Java-monkeys (Macaca fascicularis) Type Journal Article
  Year 1977 Publication Zeitschrift für Tierpsychologie Abbreviated Journal Z. Tierpsychol.  
  Volume (up) 44 Issue 3 Pages 225-282  
  Keywords Age Factors; Aggression; Animals; Behavior, Animal/*physiology; Competitive Behavior/*physiology; Fear; Female; Haplorhini; Humans; Macaca/*physiology; Macaca fascicularis/*physiology; Male; Sex Factors; Social Behavior; Social Dominance  
  Abstract The paper offers a detailed quantitative descripition of the distribution of agonistic activities over the members of two groups of Java-monkeys (Macaca fascicularis). These groups lived in captivity and were well-established: i.e. they had an extensive network of genealogical relationships. The study pays special attention to agonistic interactions with three or more participants. Its main purpose is an analysis of the way dyadic agonistic relations (e.g. dominance relations) are affected by third group members and the relations among these. The paper presents data on the ontogeny of 'dependent dominance', the 'control role' of the alpha-male, and the functions of different types of alliances.  
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  Language English Summary Language Original Title  
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  ISSN 0044-3573 ISBN Medium  
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  Notes PMID:412345 Approved no  
  Call Number refbase @ user @ Serial 213  
Permanent link to this record
 

 
Author McDonnell, S.M.; Henry,M. Bristol, F. openurl 
  Title Spontaneous erection and masturbation in equids Proc 35th Type Journal Article
  Year 1991 Publication Abbreviated Journal J. Reprod. Fert. Suppl  
  Volume (up) 44 Issue Pages 664-665  
  Keywords Horse; Masturbation; Erection; Aversive conditioning; Sexual behavior; Ejaculation; Semen  
  Abstract  
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  Notes This paper is part of the special issue entitled “Proceedings of the 4th International Symposium on Stallion Reproduction”, Guest Edited by Dr. Edward Squires. Approved no  
  Call Number Serial 1378  
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