| Records |
| Author |
Berry, M.P.S |
Title  |
A comparison of different wildlife production enterprises in the northern Cape Province, South Africa |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
S. Afr. J. Wildl. Res. |
| Volume |
16 |
Issue |
4 |
Pages |
124-128 |
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Equine Behaviour @ team @ |
Serial |
2238 |
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| Author |
Cynx, J.; Hulse, S.H.; Polyzois, S. |
| Title |
A psychophysical measure of pitch discrimination loss resulting from a frequency range constraint in European starlings (Sturnus vulgaris) |
Type |
Journal Article |
| Year |
1986 |
Publication |
Journal of Experimental Psychology. Animal Behavior Processes |
Abbreviated Journal |
J Exp Psychol Anim Behav Process |
| Volume |
12 |
Issue |
4 |
Pages |
394-402 |
| Keywords |
Animals; *Birds; Cognition; Female; *Generalization, Stimulus; Male; *Pitch Discrimination; Psychoacoustics; Transfer (Psychology) |
| Abstract |
Earlier research (Hulse & Cynx, 1985) revealed that a number of species of songbirds acquired a pitch discrimination between rising and falling sequences in an arbitrarily defined training range of frequencies, but then failed to generalize the discrimination to new frequency ranges--a frequency range constraint. The two experiments here provide a psychophysical estimate of how pitch discrimination deteriorated in one species as sequences were stepped out from the training range. The gradient showing loss of discrimination was much sharper than would have been anticipated by stimulus generalization or the training procedures, and appeared unaffected by the removal of rising and falling frequency information. The frequency range constraint and its psychophysical properties have implications both for the analysis of birdsong and the study of animal cognition. |
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| ISSN |
0097-7403 |
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| Notes |
PMID:3772303 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2786 |
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| Author |
Beaver, B.V. |
| Title |
Aggressive behavior 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 |
635-644 |
| Keywords |
Affect; Aggression/*psychology; Animals; *Behavior, Animal; Dominance-Subordination; Fear; *Horses; Play and Playthings; Sexual Behavior, Animal; Social Environment |
| Abstract |
Accurate diagnosis of the cause of aggression in horses is essential to determining the appropriate course of action. The affective forms of aggression include fear-induced, pain-induced, intermale, dominance, protective, maternal, learned, and redirected aggressions. Non-affective aggression includes play and sex-related forms. Irritable aggression and hypertestosteronism in mares are medical problems, whereas genetic factors, brain dysfunction, and self-mutilation are also concerns. |
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0749-0739 |
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| Notes |
PMID:3492250 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
674 |
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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 |
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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 |
Boyd, L. |
| Title |
Behavior problems of equids in zoos |
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 |
653-664 |
| Keywords |
Aerophagy/veterinary; Aggression/psychology; Animals; *Animals, Zoo; *Behavior, Animal; Coprophagia/psychology; Female; *Horses; Impotence/veterinary; Male; Mastication; Motor Activity; *Perissodactyla; Pregnancy; Sexual Behavior, Animal; Social Environment |
| Abstract |
Behavior problems in zoo equids commonly result from a failure to provide for needs basic to equine nature. Equids are gregarious, and failure to provide companions may result in pacing. Wild equids spend 60 to 70 per cent of their time grazing, and failure to provide ad libitum roughage contributes to the problems of pacing, cribbing, wood chewing, and coprophagia. Mimicking the normal processes of juvenile dispersal, bachelor-herd formation, and mate acquisition reduces the likelihood of agonistic and reproductive behavior problems. Infanticide can be avoided by introducing new stallions to herds containing only nonpregnant mares and older foals. |
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0749-0739 |
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| Notes |
PMID:3492252 |
Approved |
no |
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refbase @ user @ |
Serial |
660 |
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| Author |
Cox Je, |
| Title |
Behaviour of the false rig: Causes and treatments |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Vet Record |
| Volume |
118 |
Issue |
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Pages |
353-356 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
995 |
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| Author |
Schäfer M, |
| Title |
Beobachtungen zum Verhalten des südiberischen Primitivpferdes |
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| Year |
1986 |
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Abbreviated Journal |
Diss. München |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1562 |
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| Author |
Skalka P, |
| Title |
Breeding the Hartmann's mountain zebra, Equus zebra hartmannae Matschie, 1898, in the world and in Czechoslovakia |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Gazella |
| Volume |
13 |
Issue |
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Pages |
127-138 |
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from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1597 |
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| Author |
Gittleman, J.L. |
| Title |
Carnivore Life History Patterns: Allometric, Phylogenetic, and Ecological Associations |
Type |
Journal Article |
| Year |
1986 |
Publication |
The American Naturalist |
Abbreviated Journal |
Am Nat |
| Volume |
127 |
Issue |
6 |
Pages |
744-771 |
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The University of Chicago Press for The American Society of Naturalists |
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0003-0147 |
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no |
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Equine Behaviour @ team @ |
Serial |
5453 |
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| Author |
YALDEN DW et al, |
| Title |
Catalogue of the mammals of Ethiopia 6; II. order Perissodactyla; A |
Type |
Journal Article |
| Year |
1986 |
Publication |
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Abbreviated Journal |
Family Equidae Monitore Zool italiano Suppl |
| Volume |
21 |
Issue |
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Pages |
35-41 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1726 |
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