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Author |
Rau Re, |
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Title |
Additions to the revised list of preserved material of the extinct Cape colony quagga and notes on the relationship and distribution of southern plains zebras |
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Journal Article |
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Year |
1978 |
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Ann S Afr Mus |
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77 |
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27-45 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1497 |
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Author |
LANGLOIS B et al, |
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Title |
Analyse des liaisons entre la morphologie et l`apitude au galop trot et au saut d'obstacles chez le cheval |
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Journal Article |
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Year |
1978 |
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Ann Génét Sél anim |
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10 |
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443-474 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1341 |
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Author |
Parker, G.A.; MacNair, M.R. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Models of parent-offspring conflict. I. Monogamy |
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Journal Article |
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Year |
1978 |
Publication |
Animal Behaviour. |
Abbreviated Journal ![sorted by Abbreviated Journal field, descending order (down)](img/sort_desc.gif) |
Anim. Behav. |
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26 |
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97-110 |
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Abstract |
Theoretical models for Trivers (1974) concept of parent-offspring conflict are examined for species in which the effects of the conflict are felt by full sibs. A rare conflictor gene will spread if Image , whereÆ’(m) is the fitness gained by a conflictor relative to a non-conflictor offspring (Æ’(m) >1), and m is the amount of parental investment taken by a conflictor relative to m = 1 for a non-conflictor. The range of m alleles which can spread against the parent optimum decreases as the cost to the parent increases until a point is reached where there is no conflict of evolutionary interests. There would be no polymorphism for conflictor: non-conflictor alleles unless special conditions prevail. The conflictor allele which spreads most rapidly as a rare mutant against the parental optimum is not an evolutionarily stable strategy (ESS). The ESS for parent-offspring conflict in monogamous species has m0 = Æ’(m0)/2[dÆ’(m0)/dm0]. The analytical solutions are confirmed throughout by simulations. |
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10.1016/0003-3472(78)90009-X |
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Call Number |
Equine Behaviour @ team @ |
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4901 |
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Author |
Murphy, L.B. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
The practical problems of recognizing and measuring fear and exploration behaviour in the domestic fowl |
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Journal Article |
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Year |
1978 |
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Animal Behaviour |
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Anim. Behav. |
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26, Part 2 |
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422-431 |
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Abstract |
In studying behaviour supposedly motivated by fear or by exploration, consideration should be given to the biological functions of these two systems and to the ways in which the experimental environment may affect the performance of ‘natural’ responses. Extreme caution is needed in comparing the effectiveness of different stimuli and the amounts of fear or exploration represented by different responses. In particular, it should never be assumed when making such comparisons that the relative intensities of different stimuli and responses are constant. |
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0003-3472 |
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Equine Behaviour @ team @ |
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5640 |
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Author |
Herron, M.A.; Martin, J.E.; Joyce, J.R. |
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Title |
Quantitative study of the decussating optic axons in the pony, cow, sheep, and pig. |
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Journal Article |
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Year |
1978 |
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American Journal of Veterinary Research |
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Am. J. Vet .Res. |
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39 |
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7 |
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1137-9 |
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no |
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Equine Behaviour @ team @ |
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5586 |
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Author |
Dirschl Hj, W.S. |
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Title |
Population indices and distribution of the Grevy's Zebra in Kenya, 1977 |
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Journal Article |
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Year |
1978 |
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Aerial Survey Rep |
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4 |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1015 |
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Author |
Rubenstein Di, |
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Title |
Islands and their effects on the social organization of feral horses |
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Journal Article |
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1978 |
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ABS Symp |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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Serial |
1523 |
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Author |
Schusdziarra, H., Schusdziarra, V. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
Gymnasium des Reiters |
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Book Whole |
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Year |
1978 |
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94 |
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Deutsch |
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3-489-60432-6 |
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Reiten Lesen Denken @ eberhardhuebener @ |
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983 |
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Author |
Sorensen, A.B. |
![goto web page (via DOI) doi](img/doi.gif)
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Title |
Mathematical Models in Sociology |
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Journal Article |
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Year |
1978 |
Publication |
Annual Review of Sociology |
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4 |
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1 |
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345-371 |
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Equine Behaviour @ team @ Sorensen1978 |
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4293 |
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Author |
Ödberg, F.O. |
![find record details (via OpenURL) openurl](img/xref.gif)
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Title |
A Study of the Hearing Ability of Horses |
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1978 |
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Equine Veterinary Journal |
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10 |
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2 |
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82-84 |
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SUMMARY The ability of 10 horses to hear frequencies between 14 and 25 Kc/s was tested. The horses appeared to perceive ultrasounds by showing either fright reactions or Pryer reflexes to all of the 12 frequencies. The highest frequencies were heard less by older animals, and elicited more reactions in geldings than in mares. RÉSUMÉ Le pouvoir auditif de 10 chevaux à entendre des fréquences comprises entre 14 et 25 kilocycles a étééprouvée. Les chevaux semblent percevoir des ultrasons en réagissant par des attitudes de frayeur ou par des réflexes de PRYER à toutes les fréquences étudiées. Les fréquences les plus élevées sont perues moins facilement par les chevaux agés et provoquèrent des réactions plus vives chez les hongres que chez les juments. ZUSAMMENFASSUNG Bei 10 Pferden wurde die Fähigkeit untersucht, Frequenzen zwischen 14 und 25 Kc/sec zu hören. Die Pferde schienen Ultraschall hören zu können: sie manifestierten Angst oder Pryer-Reflexe bei allen 12 Frequenzen. Die höchsten Frequenzen konnten von älteren Tieren weniger gut wahrgenommen werden; sie riefen auch bei Wallachen stärkere Reaktionen hervor als bei Stuten. |
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Blackwell Publishing Ltd |
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2042-3306 |
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Equine Behaviour @ team @ |
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5230 |
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