| Records |
Author  |
Casella, S.; Fazio, F.; Giannetto, C.; Giudice, E.; Piccione, G. |
| Title |
Influence of transportation on serum concentrations of acute phase proteins in horse |
Type |
Journal Article |
| Year |
2012 |
Publication |
Research in Veterinary Science |
Abbreviated Journal |
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| Volume |
93 |
Issue |
2 |
Pages |
914-917 |
| Keywords |
Acute phase proteins; Horse; Transportation stress; Welfare; White Blood Cells |
| Abstract |
The modifications of Haptoglobin (Hp), Serum Amyloid A (SAA), Fibrinogen (Fbg) and White Blood Cells (WBCs) were evaluated in 15 Saddle Italian horses. Ten horses were transported covering a distance of about 320 km within 4 h with an average speed of 80 km/h (experimental group) and five horses were not subject to transportation (control group). Blood was collected via jugular venipuncture before the transportation (T0), immediately after the transportation (T1), 12 (T12), 24 (T24) and 48 (T48) hours after the transportation in experimental group and at the same time point in control group. For each parameter statistical analysis of different groups and sampling time was performed using a two-way analysis of covariance, with the data before the transportation (T0) as the covariate, by the GLM procedure of SAS. For all parameters the interaction (Group × Time) was tested and it was resulted no significant. The application of statistical analysis showed significant differences between the control group and horses subjected to transportation (P < 0.01), and the influence of sampling time (P < 0.05) on Hp, SAA and WBCs. These modifications appeared to be innovative showing that equine Hp, generally considered as moderate acute phase protein, increases more rapidly than the SAA after transportation-induced stress. |
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0034-5288 |
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Equine Behaviour @ team @ |
Serial |
5843 |
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| Author |
Cayado, P.; Munoz-Escassi, B.; Dominguez, C.; Manley, W.; Olabarri, B.; Sanchez de la Muela, M.; Castejon, F.; Maranon, G.; Vara, E. |
| Title |
Hormone response to training and competition in athletic horses |
Type |
Journal Article |
| Year |
2006 |
Publication |
Equine Veterinary Journal. Supplement |
Abbreviated Journal |
Equine Vet J Suppl |
| Volume |
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Issue |
36 |
Pages |
274-278 |
| Keywords |
Adrenocorticotropic Hormone/*blood; Animals; Case-Control Studies; *Horses/blood/physiology/psychology; Hydrocortisone/*blood; Physical Conditioning, Animal/*physiology; Sports; *Stress, Psychological |
| Abstract |
REASONS FOR PERFORMING STUDY: It is recognised that the amount of psychological stress that an animal encounters determines the degree of response of the hypothalamic-pituitary-adrenal (HPA) axis. In human athletes, the added emotive stress of competition is an important element in the adrenal response. The aim of this study was to examine the effect of show-jumping as well as dressage on stress levels by comparing horses' stress response at a horse show compared to their familiar home. METHODS: Fifty-one horses involved in competition were used. EDTA blood samples were collected before exercise, upon arrived to the schooling area (control), and k over a jump or dressage course. After sampling, plasma was separated and stored at -80 degrees C until determinations of cortisol and ACTH were performed. Fourteen healthy horses not involved in competition were used as control group. RESULTS: Competition induced a significant increase in cortisol and ACTH responses in both, jumping and dressage horses and this effect was more apparent in dressage horses. When horses were most experienced, cortisol and ACTH responses were much lower. CONCLUSION: This study shows that competition elicits a classic physiological stress response in horses and that different training programmes induce different responses. It suggests that horses involved in competition can provide a good model to study the exercise-induced stress response. |
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Hospital SL., Madrid, Spain |
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English |
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PMID:17402431 |
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no |
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Equine Behaviour @ team @ |
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3705 |
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| Author |
Davies, R.B.; Clark, G.G. |
| Title |
Trypanosomes from elk and horse flies in New Mexico |
Type |
Journal Article |
| Year |
1974 |
Publication |
Journal of Wildlife Diseases |
Abbreviated Journal |
J Wildl Dis |
| Volume |
10 |
Issue |
1 |
Pages |
63-65 |
| Keywords |
Animals; *Artiodactyla; Blood/microbiology; *Diptera; Ecology; *Insect Vectors; New Mexico; Trypanosoma/*isolation & purification; Trypanosomiasis/microbiology/*veterinary |
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English |
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| ISSN |
0090-3558 |
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| Notes |
PMID:4810218 |
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no |
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Equine Behaviour @ team @ |
Serial |
2709 |
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| Author |
Dierenfeld, E.S. |
| Title |
Vitamin E in exotics: effects, evaluation and ecology |
Type |
Journal Article |
| Year |
1994 |
Publication |
The Journal of Nutrition |
Abbreviated Journal |
J Nutr |
| Volume |
124 |
Issue |
12 Suppl |
Pages |
2579s-2581s |
| Keywords |
Animal Feed/*analysis; Animals; Animals, Zoo/blood/*metabolism; Antelopes/blood/metabolism; Birds/blood/metabolism; Deer/blood/metabolism; Elephants/blood/metabolism; Equidae/blood/metabolism; Perissodactyla/blood/metabolism; Vitamin E/*administration & dosage/analysis/blood; Vitamin E Deficiency/pathology/physiopathology/veterinary |
| Abstract |
The pathophysiology and lesions associated with vitamin E deficiency are similar between domestic and exotic species, and circulating plasma concentrations are also similar between comparable groups. However, many ecological variables must be considered for the most relevant comparisons. Tissue values of vitamin E, apart from plasma, are unknown for most exotics. Dietary vitamin E requirements of exotic species and domestics appear to differ; based on natural foodstuff analyses and clinical observations, between 50 and 200 mg vitamin E/kg DM are necessary to prevent vitamin E deficiency, 5- to 10-fold higher than current livestock recommendations. |
| Address |
Department of Nutrition, Wildlife Health Center, Wildlife Conservation Society, Bronx, NY 10460 |
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English |
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0022-3166 |
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| Notes |
PMID:7996243 |
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no |
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Equine Behaviour @ team @ |
Serial |
2661 |
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| Author |
Dirikolu, L.; Lehner, A.F.; Karpiesiuk, W.; Hughes, C.; Woods, W.E.; Boyles, J.; Harkins, J.D.; Troppmann, A.; Tobin, T. |
| Title |
Detection, quantification, metabolism, and behavioral effects of selegiline in horses |
Type |
Journal Article |
| Year |
2003 |
Publication |
Veterinary Therapeutics : Research in Applied Veterinary Medicine |
Abbreviated Journal |
Vet Ther |
| Volume |
4 |
Issue |
3 |
Pages |
257-268 |
| Keywords |
Administration, Oral; Animals; Behavior, Animal/drug effects; Female; Horses/*metabolism; Mass Spectrometry/veterinary; Monoamine Oxidase Inhibitors/administration & dosage/blood/*pharmacokinetics/pharmacology/urine; Selegiline/administration & dosage/blood/*pharmacokinetics/pharmacology/urine; Substance Abuse Detection/veterinary |
| Abstract |
Selegiline ([R]-[-]N,alpha-dimethyl-N-2- propynylphenethylamine or l-deprenyl), an irreversible inhibitor of monoamine oxidase, is a classic antidyskinetic and antiparkinsonian agent widely used in human medicine both as monotherapy and as an adjunct to levodopa therapy. Selegiline is classified by the Association of Racing Commissioners International (ARCI) as a class 2 agent, and is considered to have high abuse potential in racing horses. A highly sensitive LC/MS/MS quantitative analytical method has been developed for selegiline and its potential metabolites amphetamine and methamphetamine using commercially available deuterated analogs of these compounds as internal standards. After administering 40 mg of selegiline orally to two horses, relatively low (<60 ng/ml) concentrations of parent selegiline, amphetamine, and methamphetamine were recovered in urine samples. However, relatively high urinary concentrations of another selegiline metabolite were found, tentatively identified as N- desmethylselegiline. This metabolite was synthesized and found to be indistinguishable from the new metabolite recovered from horse urine, thereby confirming the chemical identity of the equine metabolite. Additionally, analysis of urine samples from four horses dosed with 50 mg of selegiline confirmed that N-desmethylselegiline is the major urinary metabolite of selegiline in horses. In related behavior studies, p.o. and i.v. administration of 30 mg of selegiline produced no significant changes in either locomotor activities or heart rates. |
| Address |
Department of Biomedical Sciences, College of Veterinary Medicine, Nursing and Allied Health, Tuskegee University, Tuskegee, AL 36088, USA |
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English |
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1528-3593 |
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PMID:15136987 |
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no |
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Serial |
1901 |
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| Author |
Doherty, T.J.; Frazier, D.L. |
| Title |
Effect of intravenous lidocaine on halothane minimum alveolar concentration in ponies |
Type |
Journal Article |
| Year |
1998 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
| Volume |
30 |
Issue |
4 |
Pages |
300-303 |
| Keywords |
Anesthetics/administration & dosage/blood/*pharmacology; Anesthetics, Inhalation/administration & dosage/*analysis; Animals; Consciousness/drug effects; Dose-Response Relationship, Drug; Halothane/administration & dosage/*analysis; Horses/*physiology; Infusions, Intravenous/veterinary; Lidocaine/administration & dosage/blood/*pharmacology; Male |
| Abstract |
This study investigated the effect of lidocaine i.v. on halothane minimum alveolar concentration (MAC) in ponies. Six ponies were anaesthetised with thiopentone and succinylcholine, intubated and anaesthesia maintained with halothane. Ventilation was controlled and blood pressure maintained within clinically acceptable limits. Following a 2 h equilibration period, baseline halothane MAC was determined. The ponies were then given a loading dose of lidocaine (2.5 or 5 mg/kg bwt) or saline over 5 min, followed by a constant infusion of lidocaine (50 or 100 microg/kg/min, or saline, respectively). The halothane MAC was redetermined after a 60 min infusion of lidocaine or saline. The baseline halothane MAC for the control group was mean +/- s.d. 0.94 +/- 0.03%, and no significant decrease occurred following saline infusion. Lidocaine decreased halothane MAC in a dose-dependent fashion (r = 0.86; P < 0.0003). The results indicate that i.v. lidocaine may have a role in equine anaesthesia. |
| Address |
Department of Large Animal Clinical Sciences, University of Tennessee, College of Veterinary Medicine, Knoxville 37901-1071, USA |
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English |
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Edition |
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0425-1644 |
ISBN |
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| Notes |
PMID:9705112 |
Approved |
no |
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refbase @ user @ |
Serial |
95 |
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| Author |
Dzieweczynski, T.L.; Eklund, A.C.; Rowland, W.J. |
| Title |
Male 11-ketotestosterone levels change as a result of being watched in Siamese fighting fish, Betta splendens |
Type |
Journal Article |
| Year |
2006 |
Publication |
General and comparative endocrinology |
Abbreviated Journal |
Gen Comp Endocrinol |
| Volume |
147 |
Issue |
2 |
Pages |
184-189 |
| Keywords |
Aggression; Animals; Female; Fishes/*blood; Male; Nesting Behavior; *Social Behavior; Social Environment; Testosterone/*analogs & derivatives/blood |
| Abstract |
This study investigated the effects of nesting status and the presence of an audience on 11-ketotestosterone (11KT) levels in male Siamese fighting fish, Betta splendens. Prior studies have demonstrated that both nesting status, an indicator of territory-holding power and reproductive state, and the sex of a conspecific audience lead to differences in male behavior during aggressive encounters. Since behavioral changes have already been demonstrated, we chose to investigate whether 11KT levels were also influenced by nesting status and audience presence as 11KT both stimulates, and is stimulated by, reproductive and aggressive behaviors in male teleosts. Male 11KT levels were measured from water samples taken from containers holding fish both before and after interaction. Males interacted under three treatment conditions: no audience, female audience, and male audience. Within these treatments were two nest paradigms: both males had nests or neither male had a nest. 11KT levels varied depending on nesting status and audience type. In general, 11KT levels were lower in interacting males when a female audience was present or when males had nests. Overall, 11KT showed increases or decreases as aggression increased or decreased, as shown by already established behavioral findings [see Dzieweczynski T.L., Green T.M., Earley R.L., Rowland W.J., 2005. Audience effect is context dependent in Siamese fighting fish, Betta splendens. Behav. Ecol. 16, 1025-1030; Doutrelant, C., McGregor, P.K., Oliveira, R.F., 2001. Effect of an audience on intrasexual communication in male Siamese fighting fish (Betta splendens). Behav. Ecol. 12, 283-286.]. Our results suggest that 11KT levels are influenced by reproductive status, as indicated by nest ownership, and audience presence and are most likely modulated by territorial behavior and social environment. |
| Address |
Department of Psychology, University of New England, Biddeford, ME 04005, USA. tdzieweczynski@une.edu |
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English |
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0016-6480 |
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| Notes |
PMID:16473353 |
Approved |
no |
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refbase @ user @ |
Serial |
502 |
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| Author |
Elhay, M.; Newbold, A.; Britton, A.; Turley, P.; Dowsett, K.; Walker, J. |
| Title |
Suppression of behavioural and physiological oestrus in the mare by vaccination against GnRH |
Type |
Journal Article |
| Year |
2007 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
| Volume |
85 |
Issue |
1-2 |
Pages |
39-45 |
| Keywords |
Animals; Antibodies/blood; Estradiol/blood; *Estrus/drug effects/physiology; Female; Gonadotropin-Releasing Hormone/*immunology/*pharmacology; Horses/*physiology; Luteinizing Hormone/blood; Ovulation/*drug effects/physiology; Progesterone/blood; Safety; Sexual Behavior, Animal/drug effects/physiology; Time Factors; Vaccination/veterinary |
| Abstract |
OBJECTIVE: To examine the immunogenicity of an equine immunocontraceptive vaccine and its efficacy in controlling hormone-related behaviour. DESIGN: A total of 24 mares at two sites in Australia were vaccinated with an immunocontraceptive vaccine comprising gonadotrophin releasing hormone (GnRH) conjugated to a carrier protein in immunostimulating complex as an adjuvant. Twelve animals at each site received a placebo of adjuvant alone and served as controls for seasonal oestrus, hormonal and behaviour patterns. Animals were observed for injection site reactions, ovarian and follicular activity, and serum levels of antibody, 17beta-oestradiol and progesterone in the weeks following vaccination. Mares were also examined for oestrous behaviour by teasing with a stallion. RESULTS: All mares responded to vaccination. Two weeks following the second vaccination there was a peak in antibody response to GnRH that declined gradually over the following weeks. Commensurate with the elevated anti-GnRH antibody there was a marked effect on ovarian activity with a reduction in 17beta-oestradiol and progesterone levels in the 24 vaccinated mares. There was also a reduction of oestrus-related behaviour as determined by a teaser stallion. This effect lasted a minimum of 3 months and correlated with the initial level of antibody response. CONCLUSION: Following a conventional two-dose immunisation regime this commercially available equine immunocontraceptive vaccine was effective at inhibiting oestrous behaviour for at least 3 months. This vaccine has a high level of safety since there were no significant local reactions nor were there any adverse systemic responses to vaccination. |
| Address |
Veterinary Medicines Research and Development, Pfizer Animal Health, Parkville, VIC 3052. Martin.Elhay@pfizer.com |
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English |
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0005-0423 |
ISBN |
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| Notes |
PMID:17300452 |
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no |
| Call Number |
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Serial |
1831 |
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Fulhorst, C.F.; Hardy, J.L.; Eldridge, B.F.; Chiles, R.E.; Reeves, W.C. |
| Title |
Ecology of Jamestown Canyon virus (Bunyaviridae: California serogroup) in coastal California |
Type |
Journal Article |
| Year |
1996 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
| Volume |
55 |
Issue |
2 |
Pages |
185-189 |
| Keywords |
Aedes/virology; Animals; Antibodies, Viral/blood; California/epidemiology; Cattle; Cattle Diseases/epidemiology; Deer; Dog Diseases/epidemiology; Dogs; Encephalitis Virus, California/immunology/*isolation & purification; Encephalitis, California/epidemiology/*veterinary; Female; Horse Diseases/epidemiology; Horses; Insect Vectors/virology; Lagomorpha; Male; Neutralization Tests/veterinary; Peromyscus; Rodent Diseases/epidemiology; Sigmodontinae |
| Abstract |
This paper reports the first isolation of Jamestown Canyon (JC) virus from coastal California and the results of tests for antibody to JC virus in mammals living in coastal California. The virus isolation was made from a pool of 50 Aedes dorsalis females collected as adults from Morro Bay, San Luis Obispo County, California. The virus isolate was identified by two-way plaque reduction-serum dilution neutralization tests done in Vero cell cultures. Sera from the mammals were tested for antibody to JC virus by a plaque-reduction serum dilution neutralization method. A high prevalence of JC virus-specific antibody was found in horses and cattle sampled from Morro Bay. This finding is additional evidence for the presence of a virus antigenically identical or closely related to JC virus in Morro Bay and indicates that the vectors of the virus in Morro Bay feed on large mammals. A high prevalence of virus-specific antibody was also found in horses sampled from Marin and San Diego counties. This finding suggests that viruses antigenically identical or closely related to JC virus are geographically widespread in coastal California. |
| Address |
School of Public Health, University of California, Berkeley, USA |
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English |
Summary Language |
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Edition |
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0002-9637 |
ISBN |
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| Notes |
PMID:8780458 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2656 |
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| Author |
Golland, L.C.; Evans, D.L.; McGowan, C.M.; Hodgson, D.R.; Rose, R.J. |
| Title |
The effects of overtraining on blood volumes in standardbred racehorses |
Type |
Journal Article |
| Year |
2003 |
Publication |
Veterinary Journal (London, England : 1997) |
Abbreviated Journal |
Vet J |
| Volume |
165 |
Issue |
3 |
Pages |
228-233 |
| Keywords |
Animals; *Blood Volume; Erythrocytes/*physiology; Hematocrit/veterinary; Horse Diseases/etiology/*physiopathology; Horses; Male; *Physical Conditioning, Animal; Physical Endurance |
| Abstract |
Red blood cell hypervolaemia has been used for diagnosis of overtraining in racehorses, and has been suggested as a mechanism of this cause of loss of racing performance. The effects of overload training (OLT) on the plasma, blood and red cell volumes were investigated in a prospective study in 12 Standardbred horses. Measurements of blood volumes were made after eight and 32 weeks of an exercise training study. Horses were randomly allocated to OLT and control groups (n=6) after 16 weeks of training. Training duration and intensity were increased more rapidly for the OLT group from week 16, until overtraining was diagnosed in week 32.There were no significant effects of OLT on plasma, blood or total red cell volumes between weeks eight and 32. These volumes significantly decreased with time. Maximal haematocrit after exercise was lower (P<0.05) in the OT group in week 32 (0.57+/-0.003% L/L) than in week eight (0.59+/-0.004 L/L). It was concluded that red cell hypervolaemia was not a mechanism for the decrease in capacity for exercise that occurs with overtraining. |
| Address |
Faculty of Veterinary Science, University of Sydney, Sydney, NSW 2006, Australia |
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Place of Publication |
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English |
Summary Language |
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Original Title |
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Series Title |
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Abbreviated Series Title |
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Series Issue |
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Edition |
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| ISSN |
1090-0233 |
ISBN |
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Expedition |
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| Notes |
PMID:12672368 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4045 |
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