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Author | Huff, A.N.; Meacham, T.N.; Wahlberg, M.L. | ||||
Title | Feeds and feeding: A review | Type | Journal Article | ||
Year | 1985 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 5 | Issue | 2 | Pages | 96-108 |
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Call Number | Equine Behaviour @ team @ | Serial | 4667 | ||
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Author | Huff, A.N. | ||||
Title | Winter Manegement | Type | Journal Article | ||
Year | 1988 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 8 | Issue | 1 | Pages | 81-81 |
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Call Number | Equine Behaviour @ team @ | Serial | 4668 | ||
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Author | Huff, A.N. | ||||
Title | Safety | Type | Journal Article | ||
Year | 1988 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 8 | Issue | 1 | Pages | 81-81 |
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Call Number | Equine Behaviour @ team @ | Serial | 4669 | ||
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Author | Verrill, S.; McDonnell, S. | ||||
Title | Equal Outcomes with and without Human-to-Horse Eye Contact When Catching Horses and Ponies in an Open Pasture | Type | Journal Article | ||
Year | 2008 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 28 | Issue | 5 | Pages | 309-312 |
Keywords | Horse handling; Horse management; Eye contact; Interspecies interactions; Equine behavior | ||||
Abstract | Each of 104 horses and ponies was approached for catching at pasture by the same human handler in a standard manner, either maintaining human-to-animal eye contact (EC+; n = 51) or avoiding eye contact (EC-; n = 53). A subset of 74 of these subjects were reevaluated 3 weeks later under similar standard conditions except with the eye contact condition opposite to that used in the first round. Nonparametric statistical methods were used to evaluate between subjects (round 1, n = 104) and within subjects (rounds 1 and 2, n = 74) comparisons of successful or unsuccessful catching outcome with EC+ and EC-. Catching outcomes were similar with eye contact condition. Although this study represents a single handler at one study site, results suggest that human-to-horse eye contact may not be an important influence on catching pastured horses. Certainly, further work is needed to better understand the role of eye contact in horse handling. | ||||
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ISSN | 0737-0806 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 4711 | ||
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Author | Wall, D.L.; Topliff, D.R.; Freeman, D.W.; Wagner, D.G.; Breazile, J.W.; Stutz, W.A. | ||||
Title | Effect of dietary cation-anion balance on urinary mineral excretion in exercised horses | Type | Journal Article | ||
Year | 1992 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 12 | Issue | 3 | Pages | 168-171 |
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Abstract | Summary Four mares and four geldings of Quarter Horse and Thoroughbred breeding were used in two simultaneous 4x4 Latin square experiments to study the effects of dietary cation-anion balance (DCAB), defined as meq ((Na+K)-C1)/kg dry matter, on urinary pH and mineral excretion in exercised horses. Diets consisted of a pelleted concentrate of corn, soybean meal and cottonseed hulls fed with bermudagrass hay. Treatments with DCAB of +5 (Low, L), +107 (Medium Low, ML), +201 (Medium High, MH) and +327 (High, H), meq ((Na+K)-Cl)/kg dry matter were formed by supplementing diet L with calcium chloride and ammonium chloride, diet ML with calcium chloride and diet H with sodium bicarbonate and potassium citrate (Table 1). Diet MH was not supplemented and served as the control treatment. Horses were conditioned aerobically for 6 weeks using long, slow, distance (LSD) workouts. During the experimental periods, horses were subjected to a combined exercise regimen alternating LSD with an interval-training protocol 6 days/week. There was a significant (P<.01) treatment effect on urine pH; least squares means for L, ML, MH and H were 6.73, 7.17, 7.38, and 7.92. Horses consuming diet L excreted more calcium in the urine (P<.05) than those consuming MH or H. Least squares means for daily urine calcium excretion tended to be linear across treatments and ranged from 19.66 g/day for diet L to 9.12 g/day for diet H. Urinary chloride excretion was higher (P<.05) for L than for MH or H. Horses fed diet H excreted more sodium (P<.05) in urine than horses fed the other diets. Lowering DCAB, increases urinary calcium loss; depending on the level of calcium intake, this could lead to negative calcium balance in exercising horses. | ||||
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ISSN | 0737-0806 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 4833 | ||
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Author | Stutz, W.A.; Topliff, D.R.; Freeman, D.W.; Tucker, W.B.; Breazile, J.W.; Wall, D.L. | ||||
Title | Effects of dietary cation-anion balance on blood parameters in exercising horses | Type | Journal Article | ||
Year | 1992 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 12 | Issue | 3 | Pages | 164-167 |
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Abstract | Summary Four geldings and four mares of primarily Thoroughbred and Quarter Horse breeding were used in simultaneous 4x4 Latin square experiments to test the effects of dietary cation-anion balance (DCAB), defined as meq ((Na+K)-C1)/kg diet dry matter, on blood pH, blood gases, acid-base status and plasma glucose in horses at rest and following anaerobic exercise. Four diets, consisting of a base concentrate of corn, soybean meal and cottonseed hulls fed in a 60:40 ratio with Bermudagrass hay, were formulated to provide a DCAB of 5 (L=Low), 107 (ML=Medium Low), 201 (MH=Medium High) and 327 (H=High) meq ((Na+K)-C1)/kg diet dry matter. Calcium chloride and ammonium chloride were added to treatment L and ML and sodium bicarbonate and potassium citrate were added to treatment H to achieve the desired cation-anion balance. Treatment MH was not supplemented and served as the control treatment. Prior to the experiment, horses performed six weeks of long, slow, distance (LSD) work. During the experimental periods, horses were subjected to an exercise regimen alternating LSD with an interval training protocol 6 days/week. Venous blood pH, pCO2 and bicarbonate levels were significantly lower in horses at rest consuming diet L versus diets MH and H. Blood pH and acid-base parameters decreased with decreasing DCAB. There were no significant differences in blood pH or acid-base parameters between treatments, after anaerobic exercise. Plasma glucose concentrations for treatment L were significantly lower than treatment H at 10, 20, and 30 minutes post-exercise. These data suggest that DCAB has significant effect on acid-base status and indicate that horses consuming diets with low DCAB may experience a metabolic acidosis. | ||||
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ISSN | 0737-0806 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 4834 | ||
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Author | Covalesky, M.E.; Russoniello, C.R.; Malinowski, K. | ||||
Title | Effects of show-jumping performance stress on plasma cortisol and lactate concentrations and heart rate and behavior in horses | Type | Journal Article | ||
Year | 1992 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | |
Volume | 12 | Issue | 4 | Pages | 244-251 |
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Abstract | Summary Effects of show jumping competition on stress levels in horses was examined. Twenty-six homes were sampled in both show and farm environments from three levels of show experience schooling, (least experience, n=11); intermediate, (moderate experience, n=6); open, (most experience, n=9). Blood samples were taken at 6 time points; 3 at the horse show and 3 at the home farm (baseline at rest, pre-schooling and post-performance over a jump course). Stress responses were assessed through comparison of the behavioral response of the horses (determined by a subjective scoring system) to plasma cortisol (F) concentrations. Physical exertion was evaluated by heart rate (HR) and plasma lactate (L) concentrations. Schooling jumpers displayed higher baseline F concentrations than open jumpers (83g±9.2 vs 46.4±10.2 ng/ml, respectively; p<.05); but not when compared to intermediate jumpers (66.2 ± 13.7 ng/ml; p>.05) at the horse show. At the farm, there were no differences in F concentrations between experience levels at a time point (p<.05). Least experienced horses displayed higher F values at rest at the show compared to the home farm. At the show, open jumpers had higher L concentrations post-exercise compared to intermediate horses (40.3±3.4 vs 25.5±4.0 mg/dL, respectively; p<.05); but were not different compared to schooling jumpers (34.8±2.0 mg/dL; p>.05). There were no differences in heart rates or behavior score between experience levels at specific time points at either the show or farm (p>.05). Low positive correlations were found between HR and F (r=.24, p<.05); HR and L (r-.48, p<.05); and HR and behavior (r=.22, p<.05). Results suggest that conditioned jumpers that have previously been exposed to horse show environments do not appear stressed during acute show-jumping competition. | ||||
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ISSN | 0737-0806 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 5622 | ||
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Author | Gibbs, P.G.; Cohen, N.D. | ||||
Title | Early management of race-bred weanlings and yearlings on farms | Type | Journal Article | ||
Year | 2001 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | J. Equine Vet. Sci. |
Volume | 21 | Issue | 6 | Pages | 279-283 |
Keywords | Equine, management, growth, nutrition, marketing | ||||
Abstract | A total of 58 Thoroughbred and Quarter Horse farms that managed 1,987 weanlings and yearlings responded to a survey designed to better characterize early management of racing prospects. Average age at weaning was 5.5 months and over half of all farms kept almost three-fourths of all weanlings to be placed in pre-race training. Variation in feeding practices was evident and while well over half of all farms provided balanced nutrient supply to young horses, 20% to 40% likely fed unbalanced diets. An obvious preference existed for semi-confinement in young horses with plenty of free exercise. The majority of farms reported that young prospects were fed and managed for a moderate rate of growth. Forced exercise occurred to a much larger extent with yearlings than weanlings and 40% of farms described the footing as soft, but not deep. Response to the prevalence of developmental orthopedic diseases appeared somewhat guarded, and average injury rate was low on farms that attributed much of injury to horses playing too hard. Technological advancements such as photoperiod manipulation in broodmares were widely used, while valuable tools such as body condition scoring were utilized to a lesser extent. |
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 5758 | ||
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Author | Moeller, B.A.; McCall, C.A.; Silverman, S.J.; McElhenney, W.H. | ||||
Title | Estimation of Saliva Production in Crib-Biting and Normal Horses | Type | Journal Article | ||
Year | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | Journal of Equine Veterinary Science | |
Volume | 28 | Issue | 2 | Pages | 85-90 |
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Abstract | Increasing saliva flow to buffer the stomach has been hypothesized as a basis for crib-biting in horses. Saliva amounts in seven cribbing and seven noncribbing (control) horses were compared either pre- and post-cribbing or at pre- and post-5-minute intervals for controls. A pre-weighed cellulose sponge was used to collect saliva at the exit of the submandibular gland for 30 seconds, then reweighed. Data were analyzed as repeated measures. Mean saliva weight overall was similar between cribbing and control horses (1.2 and 1.5 g, respectively, SE = 0.2). However, mean saliva weight for pre- and post-samples (1.5 and 1.2 g, respectively, SE = 0.06) for all horses was significantly lower (P < .05) in the post-sample, indicating a drying effect of the sponge. Because of a strong tendency (P < .06) for a treatment-by-sampling time interaction, data were analyzed by sampling time and cribbing status. Mean saliva weights in the pre-sample were 0.43 g higher (P < .03) in control than cribbing horses. Control horses showed a 0.38 g decrease (P < .01) in saliva weight between pre- and post-samples, which was not evident in cribbing horses. To determine whether cribbing offset the saliva decrease seen in control horses, nine cribbing horses were sampled as before but prevented from cribbing between samples. A similar reduction (0.39 g, P < .01) in saliva weights between samples with cribbing allowed versus cribbing prevented was seen in these horses as was seen in control horses in the initial study. Because cribbing does produce saliva, gastrointestinal irritation could be a motivating cause for cribbing. | ||||
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Publisher | Elsevier | Place of Publication | Editor | ||
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Notes | doi: 10.1016/j.jevs.2008.01.006 | Approved | no | ||
Call Number | Equine Behaviour @ team @ | Serial | 5835 | ||
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Author | Merl, S.; Scherzer, S.; Palme, R.; Möstl, E. | ||||
Title | Pain causes increased concentrations of glucocorticoid metabolites in horse feces | Type | Journal Article | ||
Year | 2000 | Publication | Journal of Equine Veterinary Science | Abbreviated Journal | J Equine Vet Sci |
Volume | 20 | Issue | 9 | Pages | 586-590 |
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Abstract | The concentration of 11,17-dioxoandrostanes (11,17-DOA), a group of cortisol metabolites, was measured using enzyme immunoassay in fecal samples of horses experiencing painful episodes. One group of horses consisted of 10 stallions castrated (samples were collected daily for 10 days); the other group was made up of 29 horses which were brought to an animal hospital because of signs of colic (samples were collected twice daily for six days). Before castration, median concentrations of 10.5 nmol/kg feces were measured. On days 1 and 2 after castration, median 11,17-DOA values increased up to 26.2 and 50.0 nmol/kg feces, respectively, and decreased thereafter to levels lower than at the beginning of the sampling period. High variations were measured between individual cases of colic. In animals with colic, all horses excreted more than 33 nmol 11,17-DOA/kg feces for various periods. The highest concentration measured was 885 nmol/kg feces. One animal out of the 29 colic horses did not show any clinical signs of pain upon arrival in the hospital. The 11,17-DOA values were below 17 nmol/kg feces in all those samples. From this data we conclude, that the concentration of 11,17-DOA in feces is a parameter for painful situations that have occurred one or two days earlier. | ||||
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ISSN | 0737-0806 | ISBN | Medium | ||
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Notes | Approved | no | |||
Call Number | Equine Behaviour @ team @ | Serial | 6047 | ||
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