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Skandakumar, S.; Stodulski, G.; Hau, J. |
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Title |
Salivary IgA: a Possible Stress Marker In Dogs |
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Year |
1995 |
Publication |
Animal Welfare |
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4 |
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4 |
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339-350 |
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Keywords |
Animal Welfare; Behaviour; Cortisol; Dog; Salivary Iga (S-Iga); Stress; Well-Being |
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Abstract |
Stress in humans has been reported to be associated with a decrease in the salivary immunoglobulin A (s-IgA) levels enabling the possible use of s-IgA to assess stress. Prolonged stress, if reliably assessed in a non-invasive manner, may be used to assess animal welfare. This study analysed groups of dogs undergoing physical and temperamental training and s-IgA levels were measured by rocket immunoelectrophoresis in prospective samples. Behavioural assessment was carried out and cortisol levels in saliva were measured by ELISA. A significant negative correlation (P < 0.007) between the logarithmic cortisol concentrations and s-IgA levels in saliva was recorded. The behavioural assessment of the dogs agreed well with the biochemical markers. It is concluded that IgA levels in saliva may be a useful marker of dog well-being and that stress results in decreased s-IgA levels. |
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Equine Behaviour @ team @ |
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5964 |
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Author |
Shanahan, S. |
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Title |
Trailer loading stress in horses: behavioral and physiological effects of nonaversive training (TTEAM) |
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Journal Article |
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Year |
2003 |
Publication |
Journal of Applied Animal Welfare Science : JAAWS |
Abbreviated Journal |
J Appl Anim Welf Sci |
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Volume |
6 |
Issue |
4 |
Pages |
263-274 |
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Keywords |
Animals; *Conditioning, Operant; *Escape Reaction; Female; Heart Rate; Horses/*psychology; Hydrocortisone/metabolism; Male; Saliva/metabolism; Stress/metabolism/prevention & control/*veterinary; *Transportation |
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Resistance in the horse to trailer loading is a common source of stress and injury to horses and their handlers. The objective of this study was to determine whether nonaversive training based on the Tellington-Touch Equine Awareness Method (TTEAM; Tellington-Jones &Bruns, 1988) would decrease loading time and reduce stress during loading for horses with a history of reluctance to load. Ten horses described by their owners as “problem loaders” were subjected to pretraining and posttraining assessments of loading. Each assessment involved two 7-min loading attempts during which heart rate and saliva cortisol were measured. The training consisted of six 30-min sessions over a 2-week period during which the horse and owner participated in basic leading exercises with obstacles simulating aspects of trailering. Assessment showed heart rate and saliva cortisol increased significantly during loading as compared to baseline (p <.001 and p <.05, respectively). Reassessment after training showed a decrease in loading time (p <.02), reduced heart rate during loading (p <.002), and reduced saliva cortisol as compared to pretraining assessments. Seven “good loaders” also were subject to loading assessment for physiological comparison. Increases in heart rate during loading were significantly higher in the good loaders (p <.001). Nonaversive training simulating aspects of loading may effectively reduce loading time and stress during loading for horses with a history of resistance to trailer loading. |
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shanahandvm@yahoo.ca |
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1088-8705 |
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PMID:14965781 |
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1903 |
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Alexander, F.; Horner, M.W.; Moss, M.S. |
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Title |
The salivary secretion and clearance in the horse of chloral hydrate and its metabolites |
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Journal Article |
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Year |
1967 |
Publication |
Biochemical pharmacology |
Abbreviated Journal |
Biochem Pharmacol |
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16 |
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7 |
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1305-1311 |
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Animals; Chloral Hydrate/blood/*metabolism/urine; Chromatography, Gas; Ethanol/blood/urine; Horses; Male; Parotid Gland/metabolism; Saliva/*analysis; Trichloroacetic Acid/blood/urine |
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0006-2952 |
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PMID:6053598 |
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refbase @ user @ |
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118 |
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Author |
Alexander, F.; Nicholson, J.D. |
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Title |
The blood and saliva clearances of phenobarbitone and pentobarbitone in the horse |
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Journal Article |
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Year |
1968 |
Publication |
Biochemical pharmacology |
Abbreviated Journal |
Biochem Pharmacol |
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Volume |
17 |
Issue |
2 |
Pages |
203-210 |
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Keywords |
Animals; Female; *Horses; Injections, Intravenous; Male; Metabolic Clearance Rate; Pentobarbital/blood/*metabolism; Phenobarbital/blood/*metabolism; Protein Binding; *Saliva; Time Factors |
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0006-2952 |
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PMID:5647047 |
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refbase @ user @ |
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117 |
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Jafarzadeh A.; Sadeghi M.; Karam G.A.; Vazirinejad R. |
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Title |
Salivary IgA and IgE levels in healthy subjects: relation to age and gender |
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Journal Article |
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Year |
2010 |
Publication |
Braz. oral res. |
Abbreviated Journal |
Braz. Oral Res. |
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Volume |
24 |
Issue |
1 |
Pages |
21-27 |
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Keywords |
Saliva; Immunoglobulin A; Immunoglobulin E; Adult; Child |
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It has been reported that the immune system undergoes age and gender changes. The aim of this study was to investigate the age- and gender-dependent changes of salivary IgA and IgE levels among healthy subjects. A total of 203 healthy individuals (aged 1-70 years) were enrolled in the study. Two milliliters of saliva were collected from all participants, and salivary IgA and IgE levels were measured by the ELISA technique. Mean salivary IgA levels were significantly higher in subjects aged 11-20 years as compared to subjects aged 1-10 years (P < 0.01). Mean salivary IgA levels increased with age up to the age of 60 years, and then slightly decreased in subjects aged 61-70 years. The frequency of subjects with detectable levels of salivary IgE and mean salivary IgE levels gradually increased with age, with maximum levels being observed in the 31-40 years age group and not changing significantly thereafter. The mean levels of salivary IgA and IgE in adults were significantly higher than those observed in children (P < 0.00001 and P < 0.05, respectively). No significant differences were observed between men and women regarding both salivary immunoglobulins. These results showed age-dependent changes of the salivary IgA and IgE levels. Gender had no effect on the salivary levels of IgA and IgE. |
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Equine Behaviour @ team @ |
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6126 |
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van der Kolk, J.H.; Nachreiner, R.F.; Schott, H.C.; Refsal, K.R.; Zanella, A.J. |
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Title |
Salivary and plasma concentration of cortisol in normal horses and horses with Cushing's disease |
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Journal Article |
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Year |
2001 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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33 |
Issue |
2 |
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211-213 |
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Adrenal Cortex Function Tests/standards/veterinary; Animals; Cushing Syndrome/diagnosis/metabolism/*veterinary; Female; Horse Diseases/blood/*diagnosis/metabolism; Horses/blood/*metabolism; Hydrocortisone/blood/*metabolism; Male; Predictive Value of Tests; Reference Values; Saliva/*metabolism |
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Department of Large Animal Medicine and Nutrition, Veterinary Faculty, Utrecht University, The Netherlands |
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0425-1644 |
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PMID:11266074 |
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Equine Behaviour @ team @ |
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4281 |
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Author |
Peeters, M.; Sulon, J.; Beckers, J.-F.; Ledoux, D.; Vandenheede, M. |
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Title |
Comparison between blood serum and salivary cortisol concentrations in horses using an adrenocorticotropic hormone challenge |
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Journal Article |
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Year |
2011 |
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Equine Veterinary Journal |
Abbreviated Journal |
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Volume |
43 |
Issue |
4 |
Pages |
487-493 |
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Keywords |
horse; cortisol; ACTH challenge; saliva; stress |
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Reasons for performing study: In horses, serum cortisol concentration is considered to provide an indirect measurement of stress. However, it includes both free and bound fractions. The sampling method is also invasive and often stressful. This is not the case for salivary cortisol, which is collected using a more welfare-friendly method and represents a part of the free cortisol fraction, which is the biologically active form. Objectives: To compare salivary and serum cortisol assays in horses, in a wide range of concentrations, using an adrenocorticotropic hormone (ACTH) stimulation test, in order to validate salivary cortisol for stress assessment in horse. Methods: In 5 horses, blood samples were drawn using an i.v. catheter. Saliva samples were taken using swabs. Cortisol was assayed by radioimmunoassay. All data were treated with a regression method, which pools and analyses data from multiple subjects for linear analysis. Results: Mean ± s.d. cortisol concentrations measured at rest were 188.81 ± 51.46 nmol/l in serum and 1.19 ± 0.54 nmol/l in saliva. They started increasing immediately after ACTH injection and peaks were reached after 96 ± 16.7 min in serum (356.98 ± 55.29 nmol/l) and after 124 ± 8.9 min in saliva (21.79 ± 7.74 nmol/l, P<0.05). Discharge percentages were also different (225% in serum and 2150% in saliva, P<0.05). Correlation between serum and salivary cortisol concentrations showed an adjusted r2= 0.80 (P<0.001). The strong link between serum and salivary cortisol concentrations was also estimated by a regression analysis. Conclusions: The reliability of both RIAs and regression found between serum and salivary cortisol concentrations permits the validation of saliva-sampling as a noninvasive technique for cortisol level assessment in horses. |
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Blackwell Publishing Ltd |
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2042-3306 |
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Equine Behaviour @ team @ |
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5428 |
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Author |
Dreschel, N.A.; Granger, D.A. |
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Title |
Methods of collection for salivary cortisol measurement in dogs |
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Journal Article |
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2009 |
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Hormones and Behavior |
Abbreviated Journal |
Horm. Behav. |
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55 |
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1 |
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163-168 |
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Dog; Canine; Salivary cortisol; Methods; Measurement; Stress |
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Salivary cortisol has been increasingly used as a measure of stress response in studies of welfare, reaction to stress and human–animal interactions in dogs and other species. While it can be a very useful measure, there are a number of saliva collection issues made evident through studies in the human and animal fields which have not been investigated in the canine species. Collection materials and the volume of saliva that is collected; the use of salivary stimulants; and the effect of food contamination can all dramatically impact cortisol measurement, leading to spurious results. In order to further examine the limitations of the collection method and the effects of collection material and salivary stimulant on salivary cortisol levels, a series of clinical, in vitro and in vivo studies were performed. It was found that there is a large amount of inter- and intra-individual variation in salivary cortisol measurement. Beef flavoring of collection materials leads to unpredictable variability in salivary cortisol concentration. Using salivary stimulants such as citric acid also has the potential to affect cortisol concentration measurement in saliva. Hydrocellulose appears to be a useful collection material for salivary cortisol determination. Recommendations for collection materials and use of salivary stimulants are presented. |
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0018-506x |
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Equine Behaviour @ team @ |
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5560 |
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Author |
Tiefenbacher, S.; Lee, B.; Meyer, J.S.; Spealman, R.D. |
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Title |
Noninvasive technique for the repeated sampling of salivary free cortisol in awake, unrestrained squirrel monkeys |
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Journal Article |
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Year |
2003 |
Publication |
American Journal of Primatology |
Abbreviated Journal |
Am. J. Primatol. |
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60 |
Issue |
2 |
Pages |
69-75 |
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Keywords |
saliva; cortisol; squirrel monkey; sampling technique; Hpa |
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The use of noninvasive measures of hypothalamic-pituitary-adrenal (HPA) axis function is of growing interest among preclinical and clinical investigators. This report describes a method for the repeated assessment of salivary free cortisol in awake, unrestrained squirrel monkeys (Saimiri sciureus) based on a saliva sampling technique previously developed for rhesus monkeys. Individually housed adult male squirrel monkeys were trained to chew on dental rope attached to a pole, from which saliva was extracted by centrifugation and analyzed for cortisol by radioimmunoassay (RIA). Eight of nine monkeys readily acquired the task, reliably providing adequate saliva samples for the assay. Salivary free cortisol levels were examined in these subjects under basal conditions and in response to two types of neuroendocrine challenge. Levels of salivary free cortisol showed relatively low intra- and interindividual variability, with mean individual morning levels ranging between 17.1 and 37.9 µg/dl. Squirrel monkeys demonstrated a consistent daily rhythm in salivary free cortisol ranging from a high of 27.4 ± 5.2 µg/dl (mean ± SEM) at 12 P.M. to a low of 7.5 ± 1.6 µg/dl at 6 P.M.. Intravenous (IV) challenges with 1 µg/kg ACTH, or 10 and 50 µg/kg CRF resulted in significant increases in salivary free cortisol. The described sampling technique provides a reliable and sensitive means for repeated measurement of HPA activity in unrestrained, awake squirrel monkeys. In addition, our findings illustrate several features of HPA system rhythmicity and reactivity using salivary cortisol instead of blood plasma or serum. Am. J. Primatol. 60:69–75, 2003. © 2003 Wiley-Liss, Inc. |
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Wiley Subscription Services, Inc., A Wiley Company |
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1098-2345 |
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Equine Behaviour @ team @ |
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5573 |
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Author |
Gröschl, M.; Wagner, R.; Rauh, M.; Dörr, H.G. |
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Title |
Stability of salivary steroids: the influences of storage, food and dental care |
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Journal Article |
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Year |
2001 |
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Steroids |
Abbreviated Journal |
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66 |
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10 |
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737-741 |
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Cortisol; 17OH-Progesterone; Progesterone; Saliva; Stability |
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We studied influences of dental care, food and storage on the reproducibility of salivary steroid levels. Cortisol (F), 17OH-progesterone (17OHP) and Progesterone (P) were measured using adapted commercial radioimmunoassays. Saliva samples of healthy adults (n = 15; m:8; f:7) were collected directly before and after dental care, and directly before and after breakfast with various foodstuffs. A second experiment investigated stability of steroids under different storage conditions. Four series of identical saliva portions (I: Native saliva; II: Centrifuged saliva; III: Saliva with trifluor acetate (TFA); IV: Saliva with 0.5% NaN3) were stored at room temperature and at 4°C for up to three weeks. To demonstrate influences of repeated thawing and re-freezing of saliva on steroid values, saliva samples (n = 15) were divided into identical portions. These portions were frozen and re-thawed up to 5 times before measurement. Neither dental care nor intake of bread or milk effected the reproducibility of F, 170HP, and P. Steroid levels decreased significantly in the course of three weeks under different storage conditions (P < 0.001). This decrease was clinically relevant from the second week onward, with exception of NaN3 treated samples. After repeated freezing and re-thawing 17OHP and P decreased slightly (about 5%). Only F decreased significantly after the third thawing (P < 0.001). The results show the usefulness of standardized handling of saliva samples for improving reproducibility and reliability of salivary steroid measurements. |
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0039-128x |
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Equine Behaviour @ team @ |
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5561 |
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