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Author |
Mayes, E.; Duncan, P. |
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Title  |
Temporal patterns of feeding behaviour in free-ranging horses |
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Journal Article |
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Year |
1986 |
Publication |
Behavior |
Abbreviated Journal |
Behav. |
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96 |
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105-129 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2351 |
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Author |
White Dj, |
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Title |
The american humane association: Position on wild horse management |
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Journal Article |
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Year |
1986 |
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Abbreviated Journal |
J Equine Vet Sc |
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Volume |
6 |
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276-277 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1706 |
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Author |
Goodall, J. |
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Title |
The Chimpanzees of Gombe |
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Miscellaneous |
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1986 |
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Equine Behaviour @ team @ |
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4890 |
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Author |
Flavell JH |
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Title |
The development of children's knowledge about the appearance-reality distinction |
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Journal Article |
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Year |
1986 |
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Am. Psychol. |
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41 |
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418 |
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Equine Behaviour @ team @ |
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2992 |
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Author |
Nelissen, M.H.J. |
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Title |
The effect of tied rank numbers on the linearity of dominance hierarchies |
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Journal Article |
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Year |
1986 |
Publication |
Behavioural Processes |
Abbreviated Journal |
Behav. Process. |
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Volume |
12 |
Issue |
2 |
Pages |
159-168 |
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Keywords |
dominance hierarchy, linearity, Landau's index, despotism |
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Abstract |
The occurence of tied rank numbers in dominance hierarchies is discussed, especially its effect on the linearity of the hierarchy. This linearity is measured with Landau's index, that is calculated for several hierarchies with tied ranks on one, two of three levels. Linearity is mostly affected by ties in small groups with many ties. A distinction is made between a hierarchy of individuals and hierarchical levels. The phenomenon of despotism is called an extreme case of tied ranks. It is proposed to regard hierarchies with a linearity in a continuous scale. |
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no |
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Equine Behaviour @ team @ |
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4285 |
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Author |
Heird, J.C.; Whitaker, D.D.; Bell, R.W.; Ramsey, C.B.; Lokey, C.E. |
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Title |
The effects of handling at different ages on the subsequent learning ability of 2-year-old horses |
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Journal Article |
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Year |
1986 |
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Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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15 |
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1 |
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15-25 |
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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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Equine Behaviour @ team @ |
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3590 |
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Author |
de Waal, F.B. |
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Title |
The integration of dominance and social bonding in primates |
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Year |
1986 |
Publication |
The Quarterly review of biology |
Abbreviated Journal |
Q Rev Biol |
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61 |
Issue |
4 |
Pages |
459-479 |
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Animals; Female; Humans; Male; *Object Attachment; *Primates; *Social Dominance |
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Social dominance is usually viewed from the perspective of intragroup competition over access to limited resources. The present paper, while not denying the importance of such competition, discusses the dominance concept among monkeys and apes in the context of affiliative bonding, social tolerance, and the reconciliation of aggressive conflicts. Two basic proximate mechanisms are supposed to provide a link between dominance and interindividual affiliation, namely, formalization of the dominance relationship (i.e., unequivocal communication of status), and conditional reassurance (i.e., the linkage of friendly coexistence to formalization of the relationship). Ritualized submission is imposed upon losers of dominance struggles by winners; losers are offered a “choice” between continued hostility or a tolerant relationship with a clearly signalled difference in status. If these two social mechanisms are lacking, aggression is bound to have dispersive effects. In their presence, aggression becomes a well-integrated, even constructive component of social life. In some higher primates this process of integration has reached the stage where status differences are strongly attenuated. In these species, sharing and trading can take the place of overt competition. The views underlying this “reconciled hierarchy” model are only partly new, as is evident from a review of the ethological literature. Many points are illustrated with data on a large semi-captive colony of chimpanzees (Pan troglodytes), particularly data related to striving for status, reconciliation behavior, and general association patterns. These observations demonstrate that relationships among adult male chimpanzees cannot be described in terms of a dichotomy between affiliative and antagonistic tendencies. Male bonding in this species has not been achieved by an elimination of aggression, but by a set of powerful buffering mechanisms that mitigate its effects. Although female chimpanzees do exhibit a potential for bonding under noncompetitive conditions, they appear to lack the buffering mechanisms of the males. |
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English |
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0033-5770 |
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PMID:3543991 |
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refbase @ user @ |
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210 |
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Author |
Svendsen Ed, |
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Title |
The professional handbook of the donkey |
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1986 |
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Sovereign Printing Group |
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England |
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from Professor Hans Klingels Equine Reference List |
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no |
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1639 |
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Author |
Fao, |
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The Przewalski horse and restoration to its natural habitat in Mongolia. JO FAO Animal Production and Health Paper |
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1986 |
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Animal Production and Health Paper |
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61 |
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from Prof. Hans Klingels Equine Reference List |
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1078 |
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Author |
Keiper Rr, |
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Title |
The Przewalski horse ecosystem: programs and progress |
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1986 |
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Majumdaret al : Endangered and threatened species programs in Pensylvania and other States |
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from Professor Hans Klingels Equine Reference List |
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Call Number |
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1254 |
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