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| Author | Henneke, D.R.; Potter, G.D.; Kreider, J.L.; Yeates, B.F. | ||||
| Title | Relationship between condition score, physical measurements and body fat percentage in mares | Type | Journal Article | ||
| Year | 1983 | Publication | Equine Veterinary Journal | Abbreviated Journal | Equine Vet J |
| Volume | 15 | Issue | 4 | Pages  |
371-372 |
| Keywords | *Adipose Tissue; Animals; Biometry; Body Weight; Female; Heart/anatomy & histology; Horses/anatomy & histology/*physiology; *Reproduction | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0425-1644 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:6641685 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2299 | ||
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| Author | Polyanskaya, A.I.; Ovchinnikov, V.V. | ||||
| Title | Rate of growth and size of the brain of the horse mackerel | Type | Journal Article | ||
| Year | 1974 | Publication | The Soviet Journal of Ecology | Abbreviated Journal | Sov J Ecol |
| Volume | 4 | Issue | 3 | Pages |
256-257 |
| Keywords | Animals; Body Weight; *Brain; Ecology; Fishes/*growth & development; Genetics, Population; Organ Size | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0096-7807 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:4825911 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2708 | ||
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| Author | Dyson, S.; Murray, R. | ||||
| Title | Pain associated with the sacroiliac joint region: a clinical study of 74 horses | Type | Journal Article | ||
| Year | 2003 | Publication | Equine Veterinary Journal | Abbreviated Journal | Equine Vet J |
| Volume | 35 | Issue | 3 | Pages |
240-245 |
| Keywords | Age Factors; Analgesia/veterinary; Anesthetics, Local/pharmacology; Animals; Body Height; Body Weight; Breeding; Female; Forelimb; Gait; Hindlimb; Horse Diseases/*diagnosis/radionuclide imaging; Horses; Lameness, Animal/*physiopathology; Lumbar Vertebrae/physiopathology; Male; Pain/diagnosis/drug therapy/radionuclide imaging/*veterinary; Sacroiliac Joint/*physiopathology; Sacrum/physiopathology | ||||
| Abstract | REASONS FOR PERFORMING STUDY: There has been no large study of horses with suspected sacroiliac (SI) joint region pain in which the clinical diagnosis has been supported by either abnormal radiopharmaceutical activity in the SI joint region or by periarticular infiltration of local anaesthetic solution. OBJECTIVES: To describe the clinical features of horses with SI joint region pain, to document the age, breed, sex, discipline, size and conformation of affected horses and to compare these with the author's (SD) normal case population and to document the results of infiltration of local anaesthetic solution around the SI joint region. METHODS: Horses were selected for inclusion in the study based upon the exclusion of other causes of lameness or poor performance, together with clinical signs suggestive of SI joint pain and abnormal radiopharmaceutical activity in the SI joint region and/or a positive response to periarticular infiltration of local anaesthetic solution. RESULTS: Sacroiliac joint region disease was identified in 74 horses between November 1997 and March 2002. Dressage and showjumping horses appeared to be at particular risk (P < 0.001). Affected horses were generally slightly older than the normal clinic population (P < 0.0001), taller at the withers (P < 0.0001) and of greater bodyweight (P < 0.01). There was a significant effect of breed (P < 0.001), with a substantially higher proportion of Warmblood horses (51%) in the SI pain group compared to the normal clinic population (29%). There was no correlation between conformation and the presence of SI joint region pain. The tubera sacrale appeared grossly symmetrical in most (95%) horses. Poor development of the epaxial muscles in the thoracolumbar region and asymmetry of the hindquarter musculature were common. Twenty-six horses (35%) showed restricted flexibility of the thoracolumbar region and 10 (16%) had an exaggerated response to pressure applied over the tubera sacrale. Fourteen horses (19%) were reluctant to stand on one hindlimb for prolonged periods. The majority of horses (75%) had a straight hindlimb flight and only 18% moved closely behind or plaited. In all horses restricted hindlimb impulsion was the predominant feature; invariably this was most obvious when the horse was ridden. Stiffness, unwillingness to work on the bit and poor quality canter were common. Sacroiliac joint region pain was seen alone (47%), or in conjunction with thoracolumbar pain (16%), hindlimb lameness (20%), forelimb lameness (7%) or a combination of problems (10%). Seventy-three horses (99%) had abnormalities of the SI joint region identified using nuclear scintigraphy. Infiltration of local anaesthetic solution around the SI joint region produced profound improvement in gait in all 34 horses in which it was performed. CONCLUSIONS AND POTENTIAL RELEVANCE: Careful clinical examination combined with scintigraphic evaluation of the SI joint region and local analgesia can enable a more definitive diagnosis of SI joint region pain than has previously been possible. | ||||
| Address | Centre for Equine Studies, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk CB8 7UU, UK | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0425-1644 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:12755425 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 3723 | ||
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| Author | Clayton, H.M.; Lanovaz, J.L.; Schamhardt, H.C.; van Wessum, R. | ||||
| Title | The effects of a rider's mass on ground reaction forces and fetlock kinematics at the trot | Type | Journal Article | ||
| Year | 1999 | Publication | Equine Veterinary Journal. Supplement | Abbreviated Journal | Equine Vet J Suppl |
| Volume | 30 | Issue | Pages |
218-221 | |
| Keywords | Animals; Body Weight; Computer Simulation; Gait/*physiology; Horses/*physiology; Physical Conditioning, Animal/*physiology; Stress, Mechanical; Weight-Bearing/*physiology | ||||
| Abstract | Ground reaction force (GRF) measurements are often normalised to body mass to facilitate inter-individual comparisons. The objective of this study was to explore the effect of a rider on the GRFs and fetlock joint kinematics of trotting horses. The subjects were 5 dressage-trained horses and 3 experienced dressage riders. Ground reaction force measurements and sagittal view videotapes were recorded as the horses trotted at the same velocity in hand (3.49 +/- 0.52 m/s) and with a rider (3.49 +/- 0.46 m/s). Data were time-normalised to stance duration. Ground reaction force measurements were expressed in absolute terms and normalised to the system mass (horse or horse plus rider). All the horses showed changes in the same direction when comparing the ridden condition with the in-hand condition. There was an increase in the absolute peak vertical GRFs of the fore- and hindlimbs with a rider. However, the mass-normalised peak vertical GRFs were lower for the ridden condition, with the peak occurring later in the forelimbs and earlier in the hindlimbs compared with the inhand condition. Maximal fetlock angle and its time of occurrence were similar for the 2 conditions, but the fore fetlock joint was more extended during the later part of the stance phase in ridden horses. The presence of a rider appeared to affect the GRFs and fetlock joint kinematics differently in the fore- and hindlimbs, and the ridden horse did not seem to be equivalent to a proportionately larger horse. This should be considered when normalising for body mass in studies comparing horses in hand and ridden horses. | ||||
| Address | Department of Large Animal Clinical Sciences, College of Veterinary Medicine, Michigan State University, East Lansing 48824-1314, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| Area | Expedition | Conference | |||
| Notes | PMID:10659255 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 3733 | ||
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| Author | Jansen, W.L.; van Alphen, M.; Berghout, M.; Everts, H.; Beynen, A.C. | ||||
| Title | An approach to assessment of the efficiency of dietary energy utilization by horses and ponies kept at riding schools | Type | Journal Article | ||
| Year | 2001 | Publication | The Veterinary quarterly | Abbreviated Journal | Vet Q |
| Volume | 23 | Issue | 4 | Pages |
195-198 |
| Keywords | *Animal Feed; Animal Husbandry; Animals; Body Weight; Dietary Fats; Dietary Fiber; *Energy Intake; *Energy Metabolism; Female; Horses/*physiology; Male | ||||
| Abstract | The ratio of calculated net energy intake (NEi) to calculate net energy requirement (NEr) might serve as an indicator of the efficiency of dietary energy utilization. The ratio was determined for 93 horses and ponies from 10 riding schools. For each animal with an assumed constant body weight, energy intake and energy requirements were assessed. On average, the estimated NEi was 14% greater than NEr. There was a significant, negative association between crude fibre intake and the NEi: NEr ratio. Earlier work indicated that extra fat intake may lead to over estimation of the calculated energy value of the ration due to changes in macronutrient digestibility. Dietary fat concentration was found to range from 32 to 52 g/kg dry matter (5 to 6 g/MJ net energy), but on the basis of digestibility trials this range in fat concentration is too small to significantly influence the NEi: NEr ratio. This study shows that assessment of the efficiency of dietary energy utilization under normal conditions, on the basis of the NEi: NEr ratio is fraught with uncertainty. | ||||
| Address | Department of Nutrition, Faculty of Veterinary, Medicine, Utrecht University, The Netherlands | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0165-2176 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:11765239 | Approved | no | ||
| Call Number | Serial | 1807 | |||
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| Author | Belonje, P.C.; van Niekerk, C.H. | ||||
| Title | A review of the influence of nutrition upon the oestrous cycle and early pregnancy in the mare | Type | Journal Article | ||
| Year | 1975 | Publication | Journal of Reproduction and Fertility. Supplement | Abbreviated Journal | J Reprod Fertil Suppl |
| Volume | Issue | 23 | Pages |
167-169 | |
| Keywords | Animals; Body Weight; *Diet; *Estrus; Female; Fertility; Fetal Resorption/prevention & control; Horses/*physiology; Pregnancy | ||||
| Abstract | Attention is drawn to the beneficial effect of improved nutrition during winter and early spring on the ovarian activity of mares. Furthermore, the necessity of an adequate plane of nutrition during early pregnancy to prevent embryonic resorption is stressed. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0449-3087 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:1060772 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 2225 | ||
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| Author | Staniar, W.B.; Kronfeld, D.S.; Hoffman, R.M.; Wilson, J.A.; Harris, P.A. | ||||
| Title | Weight prediction from linear measures of growing Thoroughbreds | Type | Journal Article | ||
| Year | 2004 | Publication | Equine veterinary journal | Abbreviated Journal | Equine Vet J |
| Volume | 36 | Issue | 2 | Pages |
149-154 |
| Keywords | Animal Nutrition Physiology; Animals; Biometry; Body Weight/*physiology; Female; Horses/*anatomy & histology/*growth & development; Male; Mathematics; Predictive Value of Tests; Reproducibility of Results; Sensitivity and Specificity | ||||
| Abstract | REASON FOR PERFORMING STUDY: Monitoring weight of foals is a useful management practice to aid in maximising athletic potential while minimising risks associated with deviations from normal growth. OBJECTIVE: To develop predictive equations for weight, based on linear measurements of growing Thoroughbreds (TBs). METHODS: Morphometric equations predicting weight from measurements of the trunk and legs were developed from data of 153 foals. The accuracy, precision and bias of the best fitting equation were compared to published equations using a naive data set of 22 foals. RESULTS: Accuracy and precision were maximised with a broken line relating calculated volumes (V(t + l)) to measured weights. Use of the broken line is a 2 step process. V(t + l) is calculated from linear measures (m) of girth (G), carpus circumference (C), and length of body (B) and left forelimb (F). V(t + I) = ([G2 x B] + 4[C2 x F]) 4pi. If V(t + l) < 0.27 m3, weight is estimated: Weight (kg) = V(t + l) x 1093. If V(t + l) > or = 0.27 m3: Weight (kg) = V(t + l) x 984 + 24. The broken line was more accurate and precise than 3 published equations predicting the weight of young TBs. CONCLUSIONS: Estimation of weight using morphometric equations requires attention to temporal changes in body shape and density; hence, a broken line is needed. Including calculated leg volume in the broken line model is another contributing factor to improvement in predictive capability. POTENTIAL RELEVANCE: The broken line maximises its value to equine professionals through its accuracy, precision and convenience. | ||||
| Address | Department of Animal and Poultry Sciences, Virginia Polytechnic Institute and State University, Blacksburg, Virginia 24061-0306, USA | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0425-1644 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:15038438 | Approved | no | ||
| Call Number | Serial | 1806 | |||
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| Author | Stock, K.F.; Hamann, H.; Distl, O. | ||||
| Title | Factors associated with the prevalence of osseous fragments in the limb joints of Hanoverian Warmblood horses | Type | Journal Article | ||
| Year | 2006 | Publication | Veterinary Journal (London, England : 1997) | Abbreviated Journal | Vet J |
| Volume | 171 | Issue | 1 | Pages |
147-156 |
| Keywords | Animals; Body Weight/physiology; Female; Horse Diseases/*epidemiology/genetics/*radiography; Horses; Joint Diseases/epidemiology/genetics/radiography/*veterinary; Male; Pedigree; Prevalence | ||||
| Abstract | Factors associated with the prevalence of osseous fragments (OF) in fetlock and hock joints were investigated in a population of young Hanoverian Warmblood horses selected for sale at auction from 1991 to 1998. The study was based on results of a standardized radiological examination of 3127 horses. The prevalences of OF in the two joints were significantly dependent on the date, type and quality of the auction, the region of origin and on the anticipated suitability of the horses for dressage and/or show-jumping. The probability of finding OF increased with wither-height. Furthermore, there was a significant association of the individual sire with the prevalence of OF in both fetlock and hock joints, and of the maternal grandsire with the prevalence of OF in the hock joints. Consequently, both non-genetic and genetic parameters should be taken into account in order to reduce the prevalence of OF in young Warmblood riding horses. | ||||
| Address | Institute of Animal Breeding and Genetics, School of Veterinary Medicine Hannover, 30559 Hannover, Germany. kathrin-friederike.stock@tiho-hannover.de | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1090-0233 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:16427591 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 3712 | ||
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| Author | Graham, M.; Letz, R. | ||||
| Title | Within-species variation in the development of ultrasonic signaling of preweanling rats | Type | Journal Article | ||
| Year | 1979 | Publication | Developmental Psychobiology | Abbreviated Journal | Dev Psychobiol |
| Volume | 12 | Issue | 2 | Pages |
129-136 |
| Keywords | Animals; *Animals, Newborn; Animals, Suckling; Body Weight; Cold/adverse effects; Environment; Genotype; Individuality; Object Attachment; Rats; Stress/*physiopathology; Ultrasonics; *Vocalization, Animal | ||||
| Abstract | The development of litter and individual differences in the rate of ultrasonic signaling of neonatal rats was studied. Systematic variations among litters and individuals emerged, without differential treatment. These differences were not correlated with variations in general development as indexed by body weight. Two experiments using a cross-fostering design showed that litter differences developed independently of variations in postnatal environment. These results indicate that the variations among litters in ultrasound rate have a prenatal, possibly genetic, etiology and may represent reliable indicants of response to environmental stress. | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 0012-1630 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:456751 | Approved | no | ||
| Call Number | Equine Behaviour @ team @ | Serial | 4172 | ||
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| Author | Hodgson, D.; Howe, S.; Jeffcott, L.; Reid, S.; Mellor, D.; Higgins, A. | ||||
| Title | Effect of prolonged use of altrenogest on behaviour in mares | Type | |||
| Year | 2005 | Publication | Veterinary journal (London, England : 1997) | Abbreviated Journal | Vet J |
| Volume | 169 | Issue | 1 | Pages |
113-115 |
| Keywords | Administration, Oral; Anabolic Agents/adverse effects/*pharmacology; Animals; Behavior, Animal/*drug effects; Body Constitution/drug effects; Body Weight/drug effects; *Doping in Sports; Female; Horses/*physiology; Social Behavior; Social Dominance; Time Factors; Trenbolone/adverse effects/*analogs & derivatives/*pharmacology | ||||
| Abstract | Erratum in: Vet J. 2005 May;169(3):321. Corrected and republished in: Vet J. 2005 May;169(3):322-5. Oral administration of altrenogest for oestrus suppression in competition horses is believed to be widespread in some equestrian disciplines, and can be administered continuously for several months during a competition season. To examine whether altrenogest has any anabolic or other potential performance enhancing properties that may give a horse an unfair advantage, we examined the effect of oral altrenogest (0.044 mg/kg), given daily for a period of eight weeks, on social hierarchy, activity budget, body-mass and body condition score of 12 sedentary mares. We concluded that prolonged oral administration of altrenogest at recommended dose rates to sedentary mares resulted in no effect on dominance hierarchies, body mass or condition score. |
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| Address | Faculty of Veterinary Science, University of Sydney, Private Mailbag 4, Narellan Delivery Centre, Narellan, NSW 2567, Australia. davidh@camden.usyd.edu.au | ||||
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| Language | English | Summary Language | Original Title | ||
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| Series Volume | Series Issue | Edition | |||
| ISSN | 1090-0233 | ISBN | Medium | ||
| Area | Expedition | Conference | |||
| Notes | PMID:15683772 | Approved | no | ||
| Call Number | refbase @ user @ | Serial | 671 | ||
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