Records |
Author |
van Niekerk, H.P. |
Title |
Ethological studies within the man-horse relationship |
Type |
Journal Article |
Year |
1980 |
Publication |
Journal of the South African Veterinary Association |
Abbreviated Journal |
J S Afr Vet Assoc |
Volume |
51 |
Issue |
4 |
Pages |
237-238 |
Keywords |
Animals; Behavior, Animal; Hearing; Horses/*physiology; Humans; Smell; Taste; Touch; Vision |
Abstract |
Certain aspects of ethology and the horse's senses are discussed to bring about a better understanding between man and horse. Furthermore the behaviour of horses with respect to housing, feeding, breeding, veterinary treatment and work are considered. |
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English |
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Edition |
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ISSN |
1019-9128 |
ISBN |
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Medium |
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Expedition |
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Conference |
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Notes |
PMID:7241494 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
1960 |
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Author |
Feist, J.D.; McCullough, D.R. |
Title |
Reproduction in feral horses |
Type |
Journal Article |
Year |
1975 |
Publication |
Journal of Reproduction and Fertility. Supplement |
Abbreviated Journal |
J Reprod Fertil Suppl |
Volume |
|
Issue |
23 |
Pages |
13-18 |
Keywords |
Age Factors; Animals; Female; Horses/*physiology; Leadership; Male; Maternal Behavior; Population; Reproduction; *Sexual Behavior, Animal; Social Dominance; Sucking Behavior |
Abstract |
A behavioural study of feral horses was conducted on the Pryor Mountain Wild Horse Range in the western United States. All 270 horses on the Range were identified individually. The sex ratio was nearly balanced. Foal to adult female ratio was 43-2:100. Morality was concentrated among foals and old horses. Horses were organized as forty-four harem groups each with a dominant stallion, one to two immature stallions, one to three immature mares, one to three adult mares and their yearling and foal offspring, and 23 bachelor groups of one to eight stallions. Harem groups were quite stable year-round because of dominance and leadership by the stallions and group fidelity by mares and their offsring. Most changes occurred during the breeding season and involved immature females. Defeat of dominant stallions was infrequent. Immature males were tolerated because of their submissive behaviour. Bachelor stallion groups were inherently unstable. Mares came into heat after foaling in May/June, and were mated by harem stallions only. |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0449-3087 |
ISBN |
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Medium |
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Area |
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Conference |
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Notes |
PMID:1060766 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
1964 |
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Author |
Lynch, J.J.; Fregin, G.F.; Mackie, J.B.; Monroe, R.R.J. |
Title |
Heart rate changes in the horse to human contact |
Type |
Journal Article |
Year |
1974 |
Publication |
Psychophysiology |
Abbreviated Journal |
Psychophysiology |
Volume |
11 |
Issue |
4 |
Pages |
472-478 |
Keywords |
Animals; Behavior, Animal; Electrocardiography/veterinary; *Heart Rate; Horses/*physiology; Humans; *Social Behavior; *Touch |
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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0048-5772 |
ISBN |
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Notes |
PMID:4852234 |
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no |
Call Number |
refbase @ user @ |
Serial |
1965 |
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Author |
Thrower, W.R. |
Title |
Aggression in horses |
Type |
Journal Article |
Year |
1970 |
Publication |
Proceedings of the Royal Society of Medicine |
Abbreviated Journal |
Proc R Soc Med |
Volume |
63 |
Issue |
2 |
Pages |
163-167 |
Keywords |
*Aggression; Animals; Behavior, Animal; Breeding; Evolution; *Horses; Humans; Species Specificity; Territoriality |
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Edition |
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ISSN |
0035-9157 |
ISBN |
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Notes |
PMID:5462347 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
1966 |
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Author |
Friedberger, J.C. |
Title |
Modern horse training methods--what is justifiable? |
Type |
Journal Article |
Year |
1970 |
Publication |
The Veterinary Record |
Abbreviated Journal |
Vet. Rec. |
Volume |
87 |
Issue |
8 |
Pages |
229-231 |
Keywords |
Animals; *Behavior, Animal; Ethics; *Horses; Learning |
Abstract |
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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0042-4900 |
ISBN |
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Medium |
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Notes |
PMID:5529870 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
1967 |
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Author |
Judge, N.G. |
Title |
Transport of horses |
Type |
Journal Article |
Year |
1969 |
Publication |
Australian Veterinary Journal |
Abbreviated Journal |
Aust Vet J |
Volume |
45 |
Issue |
10 |
Pages |
465-469 |
Keywords |
Aircraft; Animals; Australia; Automobiles; Behavior, Animal; Equipment and Supplies/veterinary; *Horses; Methods; *Movement; Ships; Veterinary Medicine |
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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0005-0423 |
ISBN |
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Medium |
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Conference |
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Notes |
PMID:5408645 |
Approved |
no |
Call Number |
refbase @ user @ |
Serial |
1968 |
Permanent link to this record |
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Author |
Hanggi, E.B.; Ingersoll, J.F.; Waggoner, T.L. |
Title |
Color vision in horses (Equus caballus): deficiencies identified using a pseudoisochromatic plate test |
Type |
Journal Article |
Year |
2007 |
Publication |
Journal of Comparative Psychology |
Abbreviated Journal |
J. Comp. Psychol. |
Volume |
121 |
Issue |
1 |
Pages |
65-72 |
Keywords |
Animals; Appetitive Behavior; *Color Perception; Color Perception Tests/veterinary; *Discrimination Learning; Female; Horses/*psychology; Male; Sensitivity and Specificity |
Abstract |
In the past, equine color vision was tested with stimuli composed either of painted cards or photographic slides or through physiological testing using electroretinogram flicker photometry. Some studies produced similar results, but others did not, demonstrating that there was not yet a definitive answer regarding color vision in horses (Equus caballus). In this study, a pseudoisochromatic plate test--which is highly effective in testing color vision both in small children and in adult humans--was used for the first time on a nonhuman animal. Stimuli consisted of different colored dotted circles set against backgrounds of varying dots. The coloration of the circles corresponded to the visual capabilities of different types of color deficiencies (anomalous trichromacy and dichromacy). Four horses were tested on a 2-choice discrimination task. All horses successfully reached criterion for gray circles and demonstration circles. None of the horses were able to discriminate the protan-deutan plate or the individual protan or deutan plates. However, all were able to discriminate the tritan plate. The results suggest that horses are dichromats with color vision capabilities similar to those of humans with red-green color deficiencies. |
Address |
Equine Research Foundation, Aptos, CA 95001, USA. EquiResF@aol.com |
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English |
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Series Volume |
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Edition |
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ISSN |
0735-7036 |
ISBN |
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Notes |
PMID:17324076 |
Approved |
no |
Call Number |
refbase @ user @ ; Equine Behaviour @ team @ room B 3.029 |
Serial |
1972 |
Permanent link to this record |
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Author |
Robert, N.; Walzer, C.; Ruegg, S.R.; Kaczensky, P.; Ganbaatar, O.; Stauffer, C. |
Title |
Pathologic findings in reintroduced Przewalski's horses (Equus caballus przewalskii) in southwestern Mongolia |
Type |
Journal Article |
Year |
2005 |
Publication |
Journal of zoo and Wildlife Medicine : Official Publication of the American Association of Zoo Veterinarians |
Abbreviated Journal |
J Zoo Wildl Med |
Volume |
36 |
Issue |
2 |
Pages |
273-285 |
Keywords |
Animals; Babesiosis/epidemiology/pathology/*veterinary; Cause of Death; Conservation of Natural Resources; Disease Susceptibility/veterinary; Environment; Female; Food Chain; Horse Diseases/*epidemiology/pathology; Horses; Male; Mongolia/epidemiology; Streptococcal Infections/epidemiology/pathology/*veterinary; *Streptococcus equi; Theileriasis/*epidemiology/pathology; Weather |
Abstract |
The Przewalski's horse (Equus caballus przewalskii) was extinct in the wild by the mid 1960s. The species has survived because of captive breeding only. The Takhin Tal reintroduction project is run by the International Takhi Group; it is one of two projects reintroducing horses to the wild in Mongolia. In 1997 the first harem group was released. The first foals were successfully raised in the wild in 1999. Currently, 63 Przewalski's horses live in Takhin Tal. Little information exists on causes of mortality before the implementation of a disease-monitoring program in 1998. Since 1999, all dead horses recovered (n = 28) have been examined and samples collected and submitted for further investigation. Equine piroplasmosis, a tick-transmitted disease caused by Babesia caballi or Theileria equi, is endemic in Takhin Tal and was identified as the cause of death of four stallions and one stillborn foal. In December 2000, wolf predation was implicated in the loss of several Przewalski's horses. However, thorough clinical, pathologic, and bacteriologic investigations performed on dead and surviving horses of this group revealed lesions compatible with strangles. The extreme Mongolian winter of 2000-2001 is thought to have most probably weakened the horses, making them more susceptible to opportunistic infection and subsequent wolf predation. Other occasional causes of death since 1999 were trauma, exhaustion, wasting, urolithiasis, pneumonia, abortion, and stillbirth. The pathologic examination of the Przewalski's horses did not result in a definitive diagnosis in each case. Several disease factors were found to be important in the initial phase of the reintroduction, which could potentially jeopardize the establishment of a self-sustaining population. |
Address |
Center for Fish and Wildlife Health, Institute of Animal Pathology, University of Berne, Langgass-Strasse 122, CH-3001 Berne, Switzerland |
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English |
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Edition |
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ISSN |
1042-7260 |
ISBN |
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Medium |
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Area |
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Conference |
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Notes |
PMID:17323569 |
Approved |
no |
Call Number |
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Serial |
2023 |
Permanent link to this record |
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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 |
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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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English |
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Series Issue |
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Edition |
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ISSN |
0449-3087 |
ISBN |
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Conference |
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Notes |
PMID:1060772 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2225 |
Permanent link to this record |
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Author |
Breen, M.; Downs, P.; Irvin, Z.; Bell, K. |
Title |
Intrageneric amplification of horse microsatellite markers with emphasis on the Przewalski's horse (E. przewalskii) |
Type |
Journal Article |
Year |
1994 |
Publication |
Animal Genetics |
Abbreviated Journal |
Anim Genet |
Volume |
25 |
Issue |
6 |
Pages |
401-405 |
Keywords |
Animals; DNA, Satellite/*genetics; *Gene Amplification; Gene Frequency; *Genetic Markers; Heterozygote; Horses/*genetics; Species Specificity |
Abstract |
Primer sequences flanking 13 microsatellite loci isolated from the domestic horse (E. caballus) were successfully used to amplify homologous loci in the Przewalski's horse (E. przewalskii). The results demonstrate that the level of polymorphism at all 13 loci in the Przewalski's horse was comparable to that in the domestic horse and the overall exclusion probability in the Przewalski's horse was calculated to be 0.9994. The results suggest that it should be possible to use E. caballus-derived microsatellite markers to provide parentage verification and additional valuable information to the captive management of E. przewalskii. The ability to amplify corresponding loci in the remaining five species of the genus was also confirmed, illustrating the general application of markers isolated from the domestic horse to the evaluation of polymorphism in the other six species of the genus. |
Address |
Australian Equine Blood Typing Research Laboratory, University of Queensland, St Lucia |
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English |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0268-9146 |
ISBN |
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Notes |
PMID:7695120 |
Approved |
no |
Call Number |
Equine Behaviour @ team @ |
Serial |
2246 |
Permanent link to this record |