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Author |
Collery, L. |
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Title |
Observations of equine animals under farm and feral conditions |
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Journal Article |
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Year |
1974 |
Publication |
Equine veterinary journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
6 |
Issue |
4 |
Pages |
170-173 |
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Keywords |
Aggression; Animals; Animals, Newborn; Breeding; Circadian Rhythm; Feeding Behavior; Female; Horses/*physiology; Housing, Animal; Humans; Male; Pregnancy; Puberty; Reproduction; Sexual Behavior, Animal; Social Dominance |
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0425-1644 |
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PMID:4473340 |
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refbase @ user @ |
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680 |
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Author |
Momozawa, Y.; Takeuchi, Y.; Tozaki, T.; Kikusui, T.; Hasegawa, T.; Raudsepp, T.; Chowdhary, B.P.; Kusunose, R.; Mori, Y. |
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Title |
SNP detection and radiation hybrid mapping in horses of nine candidate genes for temperament |
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Journal Article |
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Year |
2007 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
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Volume |
38 |
Issue |
1 |
Pages |
81-83 |
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Keywords |
Animals; *Behavior, Animal; Breeding; Horses/*genetics/physiology; *Polymorphism, Single Nucleotide; Radiation Hybrid Mapping; *Temperament |
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Laboratory of Veterinary Ethology, The University of Tokyo, Tokyo 113-8657, Japan |
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0268-9146 |
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Notes |
PMID:17257195 |
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no |
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Serial |
1834 |
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Author |
Pell, S.M.; McGreevy, P.D. |
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Title |
Prevalence of stereotypic and other problem behaviours in thoroughbred horses |
Type |
Journal Article |
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Year |
1999 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
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Volume |
77 |
Issue |
10 |
Pages |
678-679 |
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Keywords |
Animals; *Behavior, Animal; Breeding; Horse Diseases/*epidemiology; Horses/*psychology; New South Wales/epidemiology; Odds Ratio; Prevalence; *Stereotyped Behavior |
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Department of Animal Science, University of Sydney, New South Wales |
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0005-0423 |
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PMID:10590799 |
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no |
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refbase @ user @ |
Serial |
1927 |
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Author |
Thrower, W.R. |
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Title |
Aggression in horses |
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Journal Article |
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Year |
1970 |
Publication |
Proceedings of the Royal Society of Medicine |
Abbreviated Journal |
Proc R Soc Med |
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Volume |
63 |
Issue |
2 |
Pages |
163-167 |
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Keywords |
*Aggression; Animals; Behavior, Animal; Breeding; Evolution; *Horses; Humans; Species Specificity; Territoriality |
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0035-9157 |
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Notes |
PMID:5462347 |
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no |
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refbase @ user @ |
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1966 |
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Author |
Albentosa, M.J.; Kjaer, J.B.; Nicol, C.J. |
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Title |
Strain and age differences in behaviour, fear response and pecking tendency in laying hens |
Type |
Journal Article |
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Year |
2003 |
Publication |
British poultry science |
Abbreviated Journal |
Br Poult Sci |
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Volume |
44 |
Issue |
3 |
Pages |
333-344 |
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Keywords |
Age Factors; Aggression/*physiology; Animal Husbandry; Animals; *Behavior, Animal; Breeding; Chickens/genetics/*physiology; Fear/*physiology; Feathers/*injuries; Female; Housing, Animal; Population Density; Social Behavior |
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Abstract |
1. Behaviours associated with a high or low tendency to feather peck could be used as predictors of feather pecking behaviour in selective breeding programmes. This study investigated how strain and age at testing influenced responses in behavioural tests. 2. Four layer-type strains (ISA Brown, Columbian Blacktail, Ixworth and a high feather pecking (HP) and a low feather pecking (LP) line of White Leghorn) were reared in 6 same-strain/line pens of 8 birds from one day old. Birds in half the pens were given an open field test, a novel object test and a test with loose feather bundles between 4 and 12 weeks of age and a tonic immobility (TI) test at 13 weeks of age. All pens were tested with fixed feather bundles at 26 weeks, and undisturbed behaviour in the home pens was videoed at 1 and 27 weeks of age. Daily records of plumage damage were used as an indicator of feather pecking activity in the home pens. 3. Strain did not influence novel object test, open field test or loose feather test behaviour, although age effects in all three tests indicated a reduction in fearfulness and/or an increase in exploratory behaviour with increasing age. 4. White Leghorns showed longer TI durations than the other strains but less pecking at fixed feather bundles than ISA Browns and Columbian Blacktails. 5. There were few associations between behaviour in the 5 different tests, indicating that birds did not have overall behavioural traits that were consistent across different contexts. This suggests hens cannot easily be categorised into different behavioural 'types', based on their test responses and casts doubt on the usefulness of tests as predictors of feather pecking. |
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Address |
Centre for Behavioural Biology, Division of Farm Animal Science, University of Bristol, Langford, Bristol, England. MAlbentosa@lincoln.ac.uk |
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ISSN |
0007-1668 |
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Notes |
PMID:13677322 |
Approved |
no |
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Call Number |
refbase @ user @ |
Serial |
80 |
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Author |
McHugh, C.P. |
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Title |
Ecology of a semi-isolated population of adult Anopheles freeborni: abundance, trophic status, parity, survivorship, gonotrophic cycle length, and host selection |
Type |
Journal Article |
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Year |
1989 |
Publication |
The American Journal of Tropical Medicine and Hygiene |
Abbreviated Journal |
Am J Trop Med Hyg |
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Volume |
41 |
Issue |
2 |
Pages |
169-176 |
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Keywords |
Aging/physiology; Animals; Anopheles/*physiology; Breeding; California; Cattle/parasitology; Dogs/parasitology; Ecology; Feeding Behavior/physiology; Female; Horses/parasitology; Host-Parasite Relations; Male; Parity; Population Density; Rabbits/parasitology |
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Abstract |
A population of adult Anopheles freeborni near Sheridan, CA was sampled daily during 13 August-7 September 1984. Data on abundance, trophic status, and gonotrophic age were recorded. Abundance and gonotrophic age data were analyzed to estimate daily survivorship and gonotrophic cycle length. Daily survivorship for unfed mosquitoes was estimated to be 0.72 with a gonotrophic cycle of 6 days duration. Daily survivorship for bloodfed mosquitoes was estimated to be 0.74 with a gonotrophic cycle of 4 days. The 2 day difference in gonotrophic cycles between unfed and bloodfed mosquitoes was the result of the period required for maturation and mating of teneral females. In 1986, an incage release of field-collected females estimated survivorship at 0.75 per day. Precipitin tests of 1,338 blood-engorged mosquito abdomens indicated that bovids, horses, rabbits, and canids comprised 92% of bloodmeals; no bloodmeals of human origin were detected. |
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Address |
Department of Entomology, University of California, Davis |
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English |
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ISSN |
0002-9637 |
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Notes |
PMID:2774063 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2673 |
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Permanent link to this record |
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Author |
Dubois, C.; Manfredi, E.; Ricard, A. |
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Title |
Optimization of breeding schemes for sport horses |
Type |
Journal Article |
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Year |
2008 |
Publication |
Livestock Science |
Abbreviated Journal |
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Volume |
118 |
Issue |
1-2 |
Pages |
99-112 |
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Keywords |
Breeding scheme; Horse; Jumping; Optimization; Genetic trend, Multistage selection |
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Abstract |
A selection scheme for jumping sport horses is modelled with four stages of selection for males and one stage for females. The selection objective included three traits: conformation and gaits (CG, weighted 20%), competition jumping (CJ, weighted 60%) and a third trait (TT, weighted 20%) such as sperm quality or orthopaedic status. The first selection stage is based on knowledge of the pedigree with the aim of selecting horses suitable for CG test (at 3Â years old) and CJ test (at 5Â years old). The second stage includes the horse's own performance with respect to CG and CJ with the aim of selecting horses suitable for the TT test. The third stage is the selection of a limited number of males who are allowed to reproduce. The fourth stage (at 12Â years old) takes into account the results of the horse's progeny. Females are selected in one step, whatever the number of performances measured at 5Â years old. The annual genetic response was 9.4% genetic standard deviation of the objective, 2.6% for CG, 9.0% for CJ and 1.5% for TT. Results showed that selection by progeny testing did not contribute much to genetic response (12% of progeny issued from proven sires), the female pathway represented 26% of genetic response, TT was difficult to improve when the genetic correlation was unfavourable (-Â 0.6% genetic standard deviation for -Â 0.20 genetic correlation), and should consequently be directed towards the use of molecular markers. When compared with a selection scheme involving a station test, genetic response was the same if the breeding values used for selection before entering the station test took into account the results of the relatives for CJ and CG. This revealed the importance of an extensive performance test (like for competition performance) when designing breeding schemes for sport horses. |
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ISSN |
1871-1413 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4759 |
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Author |
Sackman, J.E.; Houpt, K.A. |
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Title |
Equine Personality: Association with Breed, Use and Husbandry Factors |
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Journal Article |
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Year |
2018 |
Publication |
Journal of Equine Veterinary Science |
Abbreviated Journal |
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Keywords |
Horse; Personality; Behavior; Breed; Use; Survey |
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Abstract |
Abstract
Temperament can be defined as innate properties of the nervous system whereas personality includes the complex behavioral traits acquired through life. Association between personality and behavior is important for breeding, selection, and training of horses. For the first time, we evaluated if equine personality components previously identified in Japan and Europe were consistent when applied to American horses. We examined the association of personality with breed, age, sex, management, training, stereotypies and misbehaviors.
Materials and Methods
The owner directed personality survey consisted of 25 questions. An online version of the survey was created. The principal component analysis (PCA) method was used to associate behavioral traits with personality components. Factor analysis with orthogonal transformation was performed on scores for personality related questions.
Results
847 survey responses were used. Quarter horses, “other” breed and Thoroughbred were the most common breeds. Three principal personality components were extracted as each behavioral trait belonged to one of these three components. Arabians, Thoroughbreds, Saddlebreds and Walking horses were the most nervous and Quarter horses, Paints, Appaloosas and Drafts were the least nervous. No trained discipline was significantly associated with any personality component. There were no significant associations between stereotypies and misbehaviors and nervous or curious personality.
Conclusions
For the first time in predominantly American horses, we have evaluated personality components and their association with breed, age, sex, training discipline and stereotypies. We refute links between personality and trained discipline and confirm the lack of association between nervous personality and stereotypies and misbehaviors. |
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ISSN |
0737-0806 |
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Equine Behaviour @ team @ |
Serial |
6426 |
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Author |
Wilson, R.T. |
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Title |
Biodiversity of Domestic Livestock in the Republic of Yemen |
Type |
Journal Article |
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Year |
2003 |
Publication |
Tropical Animal Health and Production |
Abbreviated Journal |
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Volume |
35 |
Issue |
1 |
Pages |
27-46 |
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Abstract This paper describes the domestic livestock of the Republic of Yemen and aspires to complement earlier sources listing or partially describing `breeds'. It attempts to cover all species and provide indications of production parameters through a literature review and via field observations made by the author in 1999. Information is provided on livestock numbers and the economic importance of animal production. Most animals are kept in sedentary mixed crop-livestock production systems; transhumant systems have the next greatest number of stock; with nomadic systems being of least and declining importance. Yemen's livestock appear to comprise at least 11 breeds of sheep, 5 breeds of goat, 2 breeds of cattle, 4 breeds of camel, 2 breeds of donkey and 1 breed of horse. There are no data on breeds of poultry but domestic fowl (where clearly considerable diversity exists) and pigeons are kept. There is little formal information on the history and relationships of most breeds. Some appear to be of ancient local origin, whereas others show affinities with those of neighbouring and other countries. None of the identified types is considered endangered, so conservation would be premature. A more formal and detailed genetic characterization, to add to the largely morphological and traditional classification, may, however, reveal such a need. |
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Abstract |
Abstract This paper describes the domestic livestock of the Republic of Yemen and aspires to complement earlier sources listing or partially describing `breeds'. It attempts to cover all species and provide indications of production parameters through a literature review and via field observations made by the author in 1999. Information is provided on livestock numbers and the economic importance of animal production. Most animals are kept in sedentary mixed crop-livestock production systems; transhumant systems have the next greatest number of stock; with nomadic systems being of least and declining importance. Yemen's livestock appear to comprise at least 11 breeds of sheep, 5 breeds of goat, 2 breeds of cattle, 4 breeds of camel, 2 breeds of donkey and 1 breed of horse. There are no data on breeds of poultry but domestic fowl (where clearly considerable diversity exists) and pigeons are kept. There is little formal information on the history and relationships of most breeds. Some appear to be of ancient local origin, whereas others show affinities with those of neighbouring and other countries. None of the identified types is considered endangered, so conservation would be premature. A more formal and detailed genetic characterization, to add to the largely morphological and traditional classification, may, however, reveal such a need. |
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Equine Behaviour @ team @ |
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4389 |
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Permanent link to this record |
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Author |
Graf, P.; König von Borstel, U.; Gauly, M. |
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Title |
Importance of personality traits in horses to breeders and riders |
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Journal Article |
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Year |
2013 |
Publication |
Journal of Veterinary Behavior: Clinical Applications and Research |
Abbreviated Journal |
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Volume |
8 |
Issue |
5 |
Pages |
316-325 |
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Keywords |
survey; personality; temperament; horse; rider; breeder |
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Abstract |
Abstract Especially in horses, personality traits play an important role because horses' behavior influences their quality as a riding partner. In contrast to that, no objective assessment of horses' personality traits is available at present. Although initial efforts are made in this field, a successful implementation of behavior tests into horse performance tests depends on the acceptance of the riders and breeders. Therefore, the aim of the present study was to assess the importance of personality traits to breeders and riders as well as the degree of riders' acceptance of a temperament test as a more objective means of assessing equine personality traits. Using a web-based survey consisting of a 41-item questionnaire, a total of 1087 competition riders (49.3%), breeders (39.0%), leisure riders (37.9%), and professional riders (8.6%) of 13 countries were recruited to participate in the survey. When asked to split 1000 Euro among the different traits listed in the breeding goal, respondents clearly assigned more weight to the personality-related character and temperament traits (least squares mean ± standard error; P < 0.005: €228.7 ± 17.6) and willingness to work (€123.0 ± 9.6) compared with performance traits, such as the quality of trot (€77.7 ± 6.9) or show jumping (€68.0 ± 12.3). Nevertheless, expected differences in relative weighting of traits between the different groups of riders were confirmed (e.g., character and temperament: €209.3 ± 6.1 [leisure riders] vs. €149.7 ± 5.4 [competition riders], P < 0.0001). When asking why personality traits are so important, the simplification of daily work with the horses (47.9%) and relationship between horse and human (44.9%) as well as a more comfortable and safer handling (31.5%) were most commonly listed. As much as 45.6% of all participants see quality problems with the current assessment and suggested the evaluation of all breeding animals (30.1%), followed by a better standardization of assessment procedures (25.5%) and a move to more objective criteria such as the introduction of a temperament test (20.3%) for solving the problems. The present survey revealed that behavior traits are very important to all groups of riders and breeders, although there are diverse opinions about it. According to the participants, there is a need for and a high potential in the move toward more objective assessment methods of horses' personality traits, and participants would support a restructuring of the current assessment. |
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1558-7878 |
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Equine Behaviour @ team @ |
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5865 |
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