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Author |
Ginsberg, J.R. |
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Title |
Social organisation and mating strategies of an arid adapted equid: The Grevy`s zebra. |
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Manuscript |
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Year |
1988 |
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Pages  |
268 pp |
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Thesis |
Ph.D. thesis |
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Publisher |
Princeton University |
Place of Publication |
Princeton |
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no |
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Call Number |
refbase @ user @ |
Serial |
766 |
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Author |
Clutton-Brock, T.H.; Green, D.; Hiraiwa-Hasegawa, M.; Albon, S.D. |
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Title |
Passing the buck: resource defence, lek breeding and mate choice in fallow deer |
Type |
Journal Article |
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Year |
1988 |
Publication |
Behav. Ecol. Sociobiol. |
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Volume |
23 |
Issue |
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Pages |
281-296 |
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Abstract |
lsquoLekrsquo breeding systems, where males defend small, clustered mating territories, are thought to occur where the distribution of females is heavily clumped but males are unable to defend resources used by females. In this paper, we describe a breeding system in fallow deer where males are able to defend resources used by females but the most successful bucks instead defend small territories on a traditional mating ground; where the lek is sited in an area not heavily used by females at other times of year and is visited primarily by females in or close to oestrus; and where mating success on the lek is related to territory position and to male phenotype but not to the resources available on different lek territories. Comparisons with other ungulates suggest that lek breeding species fall into two groups: those where leks are regularly visited by herds of females many of which are not in oestrus and those, like fallow deer, where leks are visited primarily by oestrous females. In the latter species, it is unlikely that females visit the lek for ecological reasons. |
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Notes |
10.1007/Bf00300575 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4882 |
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Author |
Milton, K. |
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Title |
Foraging behaviour and the evolution of primate intelligence. |
Type |
Book Chapter |
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Year |
1988 |
Publication |
Machiavellian Intelligence |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
285–409 |
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Publisher |
Oxford Univ Press |
Place of Publication |
Oxford |
Editor |
Byrne, Richard ;Whiten, Andrew |
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ISBN |
0-19-852175-8 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
5458 |
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Author |
Schilder, M.B.H. |
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Title |
Dominance relationships between adult Plains zebra stallions in semi – captivity |
Type |
Journal Article |
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Year |
1988 |
Publication |
Behaviour |
Abbreviated Journal |
Behaviour |
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Volume |
104 |
Issue |
3-4 |
Pages |
300-319 |
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Abstract |
The relationships between 4-5 adult zebra stallions, living in a safari park, were investigated over a period of 5 years. Asymmetries in the distributions of a number of behaviours could be explained by adopting dominance as an intervening variable. Dominance in stallions was of a bipolar nature with on the one hand behaviours representing subordinance and defence, and on the other hand behaviours reinforcing and confirming dominance. Expression of formal dominance seems to play a minor role. The dyadic relationships of stallions differed as to the number of behaviours reflecting dominance relationships. Although often linear rank-orders could be constructed, these rank-orders were not necessarily identical. This means that the concept of dominance is of only limited value for describing relationships between zebra stallions. |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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Call Number |
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Serial |
1564 |
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Author |
Kirkpatrick, J. F.; Kasman, L. H.; Lasley,; B. L.; Turner, J. W. Jr. |
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Title |
Pregnancy Determination in Uncaptured Feral Horses |
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Journal Article |
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Year |
1988 |
Publication |
Journal of Wildlife Management |
Abbreviated Journal |
J Wildl Manag |
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Volume |
52 |
Issue |
2 |
Pages |
305-308 |
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Abstract |
The urinary excretion of estrone sulfate ($\text{E}{1}\text{S}$) by 25 free-roaming feral horses (Equus caballus) was measured by radioimmunoassay applied to extracts of urine-soaked soil. Twelve of 15 mares having $\text{E}{1}\text{S}$ concentrations >1.0 mg/mg creatinine (x = 2.64 +- 1.02 [SD]) produced foals. All 10 mares with $\text{E}{1}\text{S}$ concentrations <1.0 mg/mg creatinine (x = 0.44 +- 0.26) did not foal. Extracting urine from soil and measuring $\text{E}{1}\text{S}$ and creatinine can be used to determine pregnancy in free-roaming feral horses without the stress of capture or immobilization. |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2290 |
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Author |
Geyer Cj, T.E. |
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Title |
Gene survival in the Asian wild horse: I. Dependence of gene survival in the Calgary breeding group pedigree |
Type |
Journal Article |
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Year |
1988 |
Publication |
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Abbreviated Journal |
Zoo Biol |
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Volume |
7 |
Issue |
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Pages |
313-327 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1107 |
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Author |
Steinhoff, H.J. |
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Title |
A continuous wave laser T-jump apparatus and its application to chemical reactions in hemoglobin single crystals |
Type |
Journal Article |
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Year |
1988 |
Publication |
Journal of Biochemical and Biophysical Methods |
Abbreviated Journal |
J Biochem Biophys Methods |
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Volume |
15 |
Issue |
6 |
Pages |
319-330 |
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Keywords |
Animals; Chemistry; Crystallization; *Heat; *Hemoglobins; Horses/blood; *Lasers; Methemoglobin; Solutions; Thermodynamics; Thiocyanates |
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Abstract |
A laser temperature jump apparatus is constructed where the T-jump is achieved by means of the direct absorption of continuous laser radiation of low intensity by a solid sample. The final temperature in the irradiated volume element is reached when the absorbed radiation power equals the dissipation of heat by heat conduction. The time range from the beginning of irradiation to the stationary state depends on the geometry of the irradiated volume element and is less than 10 ms. The heating laser beam is simultaneously used to detect the relaxation to the new chemical equilibrium in the sample. Relaxation processes with relaxation rates between 10(2) s-1 and less than 10(-3) s-1 on samples with volumes less than 10(-3) mm3 may be investigated using this T-jump method. One application of this method is the determination of reaction rates of ligand reactions in hemoglobin single crystals. Rate constants obtained for the reaction of thiocyanate with crystallized horse methemoglobin are presented. |
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Address |
Institut fur Biophysik, Ruhr-Universitat Bochum, F.R.G |
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English |
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ISSN |
0165-022X |
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Notes |
PMID:3379245 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
3804 |
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Author |
Hauser M.D |
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Title |
Invention and social transmission: new data from wild vervet monkeys |
Type |
Book Chapter |
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Year |
1988 |
Publication |
Machiavellian Intelligence |
Abbreviated Journal |
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Volume |
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Issue |
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Pages |
327-343 |
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Publisher |
Oxford Univ Press |
Place of Publication |
Oxford |
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0-19-852175-8 |
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Call Number |
Equine Behaviour @ team @ Byrne1988 |
Serial |
4794 |
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Author |
Smuts, M.M.S.; Penzhorn, B. L. |
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Title |
Descriptions of antomical differences between skulls and mandibles of Equus zebra and E. burchelli from southern Africa |
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Journal Article |
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Year |
1988 |
Publication |
South African Journal of Zoology |
Abbreviated Journal |
South African Journal of Zoology |
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Volume |
23 |
Issue |
(4)3 |
Pages |
328-336 |
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Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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Call Number |
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Serial |
1617 |
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Author |
KOTERBA AM et al, |
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Title |
Brathing strategy of the adult horse at rest |
Type |
Journal Article |
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Year |
1988 |
Publication |
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Abbreviated Journal |
J Appl Physiol |
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Volume |
64 |
Issue |
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Pages |
337-346 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Call Number |
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Serial |
1327 |
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