| Records |
| Author |
Lenarz, M.S. |
Title  |
Habitat partitioning in feral horses: the value of being dominant |
Type |
Journal Article |
| Year |
1982 |
Publication |
University of Chicago |
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| Call Number |
Equine Behaviour @ team @ |
Serial |
2340 |
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| Author |
Penzhorn Bl, |
| Title |
Habitat selection by Cape Mountain Zebras in the mountain zebra national park |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
Afr J Wildl Res |
| Volume |
12 |
Issue |
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Pages |
48-54 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1452 |
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| Author |
Penzhorn Bl, |
| Title |
Home range sizes of Cape Mountain Zebras in the mountain zebra national park |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
Koedoe |
| Volume |
25 |
Issue |
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Pages |
103-108 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1453 |
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| Author |
Shettleworth, S.J.; Krebs, J.R. |
| Title |
How marsh tits find their hoards: the roles of site preference and spatial memory |
Type |
Journal Article |
| Year |
1982 |
Publication |
Journal of experimental psychology. Animal behavior processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
8 |
Issue |
4 |
Pages |
354-375 |
| Keywords |
Animals; *Appetitive Behavior; Birds; Cues; Discrimination Learning; *Memory; *Mental Recall; *Orientation; *Space Perception |
| Abstract |
Marsh tits (Parus palustris) store single food items in scattered locations and recover them hours or days later. Some properties of the spatial memory involved were analyzed in two laboratory experiments. In the first, marsh tits were offered 97 sites for storing 12 seeds. They recovered a median of 65% of them 2-3 hr later, making only two errors per seed while doing so. Over trials, they used some sites more often than others, but during recovery they were more likely to visit a site of any preference value if they had stored a seed there that day than if they had not. Recovery performance was much worse if the experimenters moved the seeds between storage and recovery. A fixed search strategy that had some of the same average properties as the tits' search behavior also did worse than the real birds. In Experiment 2, any tendency to visit the same sites on successive daily tests in the aviary was placed in opposition to memory for storage sites by allowing the tits to store more seeds 2 hr after storing a first batch. They tended to avoid individual storage sites holding seeds from the first batch. When the tits searched for all the seeds 2 hr later, they tended to recover more seeds from the second batch than from the first, i.e., there was a recency effect. |
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English |
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0097-7403 |
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| Notes |
PMID:7175447 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
385 |
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| Author |
Sato, S. |
| Title |
Leadership during actual grazing in a small herd of cattle |
Type |
Journal Article |
| Year |
1982 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
| Volume |
8 |
Issue |
1-2 |
Pages |
53-65 |
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| Abstract |
An understanding of patterns of leadership during grazing movements is important where the management of grazing cattle is concerned. This paper describes the leadership displayed by grazing cattle by recording the spatial relationship (grazing style) among herd members as the group progressed slowly through a field. Grazing style was divided into “A”, “B” and “C”, meaning following, independence and leading, respectively. The results revealed the following features: (1) the frequency distributions of grazing style and grazing formation used by the herd varied with the seasons; (2) the individual animal variation in grazing style did not fundamentally change with the seasons; (3) there was negative linear correlation between Styles A and C and between Styles A and B. The more any cow followed the grazing movement, the less likely it was to lead the grazing movement or to be independent. Styles C and B tended to be positively related; (4) high, medium and low ranking animals in social dominance showed tendencies to behave in Styles C, A and B, respectively; (5) grazing style and weight gain were not clearly related; (6) the cows that tended to lead, be independent or follow less, tended to get out of their paddocks. The observations suggested (1) that the leader-follower-independent relationship, although modified in each season, did not vary fundamentally, (2) that the active movement of high ranking animals and the independent movement of low ranking animals governed the voluntary formation in grazing, and (3) that as grazing cattle that behaved in a single group and did not escape from their paddock were much easier to manage, the grazing style that expressed these characteristics was one of the significant indices for management of grazing cattle. |
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no |
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Serial |
2038 |
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| Author |
Houpt, K.A.; Parsons, M.S.; Hintz, H.F. |
| Title |
Learning ability of orphan foals, of normal foals and of their mothers |
Type |
Journal Article |
| Year |
1982 |
Publication |
Journal of animal science |
Abbreviated Journal |
J. Anim Sci. |
| Volume |
55 |
Issue |
5 |
Pages |
1027-1032 |
| Keywords |
Age Factors; Animals; Body Weight; Dominance-Subordination; Female; Horses/*physiology; *Learning; *Maternal Deprivation; Mothers/*psychology |
| Abstract |
The maze learning ability of six pony foals that had been weaned at birth was compared to that of six foals reared normally. The foals' learning ability was also compared to their mothers' learning ability at the same task; the correct turn in a single choice point maze. The maze learning test was conducted when the foals were 6 to 8 mo old and after the mothered foals had been weaned. There was no significant difference between the ability of orphaned (weaned at birth) and mothered foals in their ability to learn to turn left (6 +/- .7 and 5.1 +/- .1 trials, respectively) or to learn the reversal, to turn right (6.7 +/- .6 and 6.2 +/- .6 trials, respectively). The orphan foals spent significantly more time in the maze in their first exposure to it than the mothered foals (184 +/- 42 vs 55 +/- 15 s. Mann Whitney U = 7, P less than .05). The mothers of the foals (n = 11) learned to turn left as rapidly as the foals (5.9 +/- .7 trials), but they were slower to learn to turn right (9.8 +/- 1.4 vs 6.4 +/- .4 trials, Mann Whitney U = 33, P less than .05), indicating that the younger horses learned more rapidly. There was no correlation between the trials to criteria of the mare and those of her foal, but there was a significant negative correlation between rank in trials to criteria and age (r = -65, P less than .05) when data from the mare and foal trials were combined. The dominance hierarchy of the mares was determined using a paired feeding test in which two horses competed for one bucket of feed. Although there was no correlation between rank in the hierarchy and maze learning ability, there was a correlation between body weight and rank in the hierarchy (r = .7, P less than .05). This may indicate either that heavier horses are likely to be dominant or that horses high in dominance gain more weight. Maternal deprivation did not appear to seriously retard learning of a simple maze by foals, although the orphans moved more slowly initially. The lack of maternal influence on learning is also reflected in the lack of correlation between the mare's learning ability and that of her foal. Young horses appear to learn more rapidly than older horses. |
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0021-8812 |
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| Notes |
PMID:7174546 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
58 |
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| Author |
Meyners, E. |
| Title |
Lernen nach dem Regelkreismodell |
Type |
Book Chapter |
| Year |
1982 |
Publication |
Sportlehre für Reiten.Fahren. Voltigieren |
Abbreviated Journal |
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Issue |
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Pages |
21-36 |
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FN-Verlag |
Place of Publication |
Warendorf |
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ISBN |
3885420155 |
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no |
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Equine Behaviour @ team @ |
Serial |
4449 |
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| Author |
Eisenmann V, |
| Title |
Les équidés du moyen-orient aus temps préhistoriques. |
Type |
Journal Article |
| Year |
1982 |
Publication |
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Abbreviated Journal |
Géochronique |
| Volume |
4 |
Issue |
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Pages |
5 |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1053 |
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| Author |
Nishida T; Hiraiwa M |
| Title |
Natural history of tool-using behavior by wild chimpanzees in feeding upon wood-boring ants |
Type |
Journal Article |
| Year |
1982 |
Publication |
J. Hum. Evol. |
Abbreviated Journal |
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| Volume |
11 |
Issue |
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Pages |
73 |
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no |
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Equine Behaviour @ team @ |
Serial |
3022 |
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| Author |
Strickman, D. |
| Title |
Notes on Tabanidae (Diptera) from Paraguay |
Type |
Journal Article |
| Year |
1982 |
Publication |
Journal of Medical Entomology |
Abbreviated Journal |
J Med Entomol |
| Volume |
19 |
Issue |
4 |
Pages |
399-402 |
| Keywords |
Animals; Cattle; Diptera/*growth & development; Dogs; Ecology; Female; Geography; Horses; Humans; Insect Bites and Stings/epidemiology/veterinary; Male; Paraguay |
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0022-2585 |
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PMID:7154018 |
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no |
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Equine Behaviour @ team @ |
Serial |
2690 |
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