| Records |
Author  |
Jones We, |
| Title |
Genetic recreation of wild horses |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
J. Equine Vet Sc |
| Volume |
6 |
Issue |
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Pages |
246-249 |
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Medium |
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Expedition |
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Conference |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1221 |
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| Author |
Houpt, K.A. |
| Title |
Stable vices and trailer problems |
Type |
Journal Article |
| Year |
1986 |
Publication |
The Veterinary clinics of North America. Equine practice |
Abbreviated Journal |
Vet Clin North Am Equine Pract |
| Volume |
2 |
Issue |
3 |
Pages |
623-633 |
| Keywords |
Aerophagy/veterinary; Aggression; Animals; *Animals, Domestic; *Behavior, Animal; Fear; Frustration; Habits; *Horses; Locomotion; Mastication; Social Environment; Transportation |
| Abstract |
Stable vices include oral vices such as cribbing, wood chewing, and coprophagia, as well as stall walking, weaving, pawing, and stall kicking. Some of these behaviors are escape behaviors; others are forms of self-stimulation. Most can be eliminated by pasturing rather than stall confinement. Trailering problems include failure to load, scrambling in the moving trailer, struggling in the stationary trailer, and refusal to unload. Gradual habituation to entering the trailer, the presence of another horse, or a change in trailer type can be used to treat these problems. |
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| Language |
English |
Summary Language |
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Original Title |
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Edition |
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| ISSN |
0749-0739 |
ISBN |
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| Notes |
PMID:3492249 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
48 |
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| Author |
Hertsch, B.; Becker, C. |
| Title |
[Occurrence of aseptic necrosis of the palmar and plantar ligament in the horse--a contribution to the differentiation of sesamoid bone diseases] |
Type |
Journal Article |
| Year |
1986 |
Publication |
DTW. Deutsche tierarztliche Wochenschrift |
Abbreviated Journal |
Dtsch Tierarztl Wochenschr |
| Volume |
93 |
Issue |
6 |
Pages |
263-266 |
| Keywords |
Animals; Diagnosis, Differential; Horse Diseases/*pathology; Horses; Ligaments, Articular/*pathology; Osteonecrosis/*pathology; Sesamoid Bones/*pathology |
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| Language |
German |
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Original Title |
Zum Vorkommen der aseptischen Nekrose im Ligamentum palmare bzw. plantare beim Pferd--ein Beitrag zur Differenzierung der Gleichbeinerkrankungen |
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Edition |
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| ISSN |
0341-6593 |
ISBN |
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Medium |
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| Notes |
PMID:3527654 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
150 |
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| Author |
Heird, J.C.; Whitaker, D.D.; Bell, R.W.; Ramsey, C.B.; Lokey, C.E. |
| Title |
The effects of handling at different ages on the subsequent learning ability of 2-year-old horses |
Type |
Journal Article |
| Year |
1986 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
15 |
Issue |
1 |
Pages |
15-25 |
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| Abstract |
Forty weanling Quarter Horses, from the Pitchfork Ranch, Dickens, Texas, were randomly assigned to one of five groups based on the amount of handling they would receive. The five groups were: (1) limited handling; (2) 1 week of handling; (3) 2 weeks of handling; (4) 3 weeks of handling; (5) continuous handling for 18 months. As 2-year-olds, the horses were tested in a simple place-learning T-maze after being preconditioned. A maximum of 30 daily trials were conducted for 20 consecutive days, with feed location alternating between sides on successive days. If a horse met the criterion of 11 out of 12 correct responses with 8 correct responses being consecutive, it was retired without completing the 30 trials. Group 1 made fewer correct responses during the 20 days than any other group except Group 3. All groups achieved learning by Day 10, but the most-handled group reached a consistently higher percentage of correct responses earlier than the less-handled groups. Group 5, the group receiving the most handling, was the least emotional, as determined by the animals' reactivity to a novel stimulus, and received the highest scores for trainability after being ridden. Preconditioning trainability scores, or estimates of the horses' ability to learn prior to conditioning and testing, tended to predict maze-learning ability. These scores were also significantly correlated with post-maze training scores. |
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| Notes |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3590 |
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| Author |
Heird, J.C.; Lokey, C.E.; Cogan, D.C. |
| Title |
Repeatability and comparison of two maze tests to measure learning ability in horses |
Type |
Journal Article |
| Year |
1986 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
16 |
Issue |
2 |
Pages |
103-119 |
| Keywords |
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| Abstract |
Sixteen Quarter Horses were randomly divided into two groups after sorting by age and sex. After a 10-day preconditioning period, each animal was scored for emotionality and trainability. Each group then completed a series of learning tasks in a modified T-maze for 20 consecutive days. Group P/D was initially tested on a simple place-learning task, while Group D/P was trained in a visual discrimination task. The groups were tested alternately on the two tasks with 10-day extinction periods between each task. Upon reaching a criterion of 11 of 12 correct responses (the last 8 responses consecutive), a horse was retired for the day. If this criterion was not attained, the horse completed 20 trials. Learning occurred at a faster rate on the discrimination tasks compared to the gradual learning curves observed on place tasks. Animals learned more rapidly and reached higher levels of performance as the series of tasks progressed. Trainability and emotionality scores tended to predict the final level of learning achieved. Correlations of performance ranks within emotionality and training groups were higher between tasks of the same type than between the different tasks. Rank correlations between odd and even days on each task indicated that the within-group rankings were more consistent on the discrimination task than on the place task. |
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no |
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refbase @ user @ |
Serial |
838 |
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| Author |
Heffner, R.S.; Heffner, H.E. |
| Title |
Localization of tones by horses: use of binaural cues and the role of the superior olivary complex |
Type |
Journal Article |
| Year |
1986 |
Publication |
Behavioral Neuroscience |
Abbreviated Journal |
Behav Neurosci |
| Volume |
100 |
Issue |
1 |
Pages |
93-103 |
| Keywords |
Animals; Auditory Pathways/physiology; Auditory Perception/*physiology; Avoidance Learning/physiology; Brain Mapping; Electroshock; Female; Horses/*physiology; Male; Olivary Nucleus/anatomy & histology/*physiology; Orientation/physiology; Pitch Perception/physiology; Sound Localization/*physiology |
| Abstract |
The ability of horses to use binaural time and intensity difference cues to localize sound was assessed in free-field localization tests by using pure tones. The animals were required to discriminate the locus of a single tone pip ranging in frequency from 250 Hz to 25 kHz emitted by loudspeakers located 30 degrees to the left and right of the animals' midline (60 degrees total separation). Three animals were tested with a two-choice procedure; 2 additional animals were tested with a conditioned avoidance procedure. All 5 animals were able to localize 250 Hz, 500 Hz, and 1 kHz but were completely unable to localize 2 kHz and above. Because the frequency of ambiguity for the binaural phase cue delta phi for horses in this test was calculated to be 1.5 kHz, these results indicate that horses can use binaural time differences in the form of delta phi but are unable to use binaural intensity differences. This finding was supported by an unconditioned orientation test involving 4 additional horses, which showed that horses correctly orient to a 500-Hz tone pip but not to an 8-kHz tone pip. Analysis of the superior olivary complex, the brain stem nucleus at which binaural interactions first take place, reveals that the lateral superior olive (LSO) is relatively small in the horse and lacks the laminar arrangement of bipolar cells characteristic of the LSO of most mammals that can use binaural delta I. |
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Edition |
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| ISSN |
0735-7044 |
ISBN |
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Medium |
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| Notes |
PMID:3954885 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
5634 |
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| Author |
Groves Cp, |
| Title |
The taxonomy, distribution and adaptations of recent equids |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
In: Equids in the ancient world 11-51 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1133 |
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| Author |
Groves Cp, |
| Title |
The taxonomy, distrubution, and adaptations of recent equids |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Tübinger Atlas Vorderer Orient Beihefte Reihe A 19 |
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Issue |
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Pages |
11-65 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1134 |
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| Author |
GRAHAM A et al, |
| Title |
An aerial survey of horses and other karge animals in Alice Springs and Gulf regions |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Cons Comm North Terr Alice Springs Techn Rep |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1123 |
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| Author |
Goodall, J. |
| Title |
The Chimpanzees of Gombe |
Type |
Miscellaneous |
| Year |
1986 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4890 |
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