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Author |
Sweeting, M.P.; Houpt, C.E.; Houpt, K.A. |
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Title |
Social Facilitation of Feeding and Time Budgets in Stabled Ponies |
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Journal Article |
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Year |
1985 |
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Journal of Animal Science |
Abbreviated Journal |
J. Anim Sci. |
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60 |
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2 |
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369-374 |
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Eight pairs of pony mares were observed. Members of a pair were housed in adjacent stalls and fed hay ad libitum. The behavior of both ponies was recorded simultaneously in the morning (1000 to 1200 h) and afternoon (1400 to 1600 h) for a total of 117 h. The time budget was: 70.1 {+/-} 8.6% eating; 17.8 {+/-} 7.4% standing (including stand rest, stand alert and stand nonajert); 5.2 {+/-} 7.0% pushing hay; 2.9 {+/-} 1.2% walking; 1.9 {+/-} 2.9% drinking; 1.3 {+/-} 1.1% self-grooming; .2 {+/-} .3% defecating; .06 {+/-} .1% chewing nonfood items; .06 {+/-} .03% urination; .06 {+/-} .1% licking salt; .07 {+/-} .1% pawing hay; .6 {+/-} .7% lying and .07 {+/-} .08% stretching the neck over the stall wall dividing the ponies. While eating, the ponies lifted their heads 25.4 {+/-} 11.0 times/h. In less than one-half of the occasions when urination or defecation was observed, the ponies walked away from the spot where they had been eating to eliminate. During one-half of the observations, visual contact between the ponies was prevented by a solid partition between the stalls. The ponies spent significantly more time standing nonalert when the partition prevented visual contact (12 {+/-} 7%) than when visual contact could take place (6 {+/-} 3%, P<.05). When fresh hay was supplied in the mornings, the ponies spent similar amounts of time eating whether visual contact was allowed or not, but in the afternoon significantly more time was spent feeding when visual contact was allowed (73 {+/-} 4%) than when it was not (60 {+/-} 7%). Less time was spent eating, in the absence of visual contact, despite the presence of auditory and olfactory contact. Apparently social facilitation is important in maintaining feeding behavior in ponies. N1 - |
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Equine Behaviour @ team @ |
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4232 |
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Bourlière, F. |
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Title |
Primate communities: Their structure and role in tropical ecosystems |
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Year |
1985 |
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International Journal of Primatology |
Abbreviated Journal |
Int. J. Primatol. |
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6 |
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1 |
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1-26 |
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The structure of primate communities living in a number of undisturbed areas is described and compared. Species richness is highest in tropical rain forests of Africa and South America, where up to 14 different species can share the same habitat. The number of sympatric primates in woodlands and savannas is always much lower. Some striking differences in community structure may be observed between communities living in apparently similar habitats. Three major factors may be held responsible for such discrepancies: history and paleoecology, present spatial heterogeneity of the vegetation, and competition with other taxonomic groups. The role of primates in the functioning of forest ecosystems is discussed. Though their trophic impact may be important, the role they play in seed dispersal appears to be more significant; they contribute greatly to homeostasis, as well as to regeneration, of the rain forests. A number of ecological traits are particularly developed among primates and may have contributed to the rapid evolutionary success of the order. Their predominantly vegetarian diet allows them to build up higher population densities than sympatric carnivorous mammals;their arborealism permits them to make use of all edible plant material available in a tridimensional environment; the opportunistic tendencies of some cebids, cercopithecids, and pongids enable them to take advantage of a variety of habitats and situations; and finally, an extended socialization period and a long life-span, allowing them to develop social traditions, give to many of them a further possibility to adapt quickly to novel situations. |
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Equine Behaviour @ team @ |
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4251 |
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Shanklin , E. |
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Title |
Sustenance and Symbol: Anthropological Studies of Domesticated Animals |
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1985 |
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Annual Review of Anthropology |
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14 |
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375-403 |
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INTRODUCTION Thinking about Animals For nearly as long as anything can be inferred about human cognition, paleoanthropologists and archaeologists believe humans have thought carefully about animals, about the “predominant characteristic” of each animal, and about those “contradictory elements” that make up humankind. This careful thought has had many outcomes, some scientific, others not. Among the scientific outcomes in the 19th century was evolutionary thinking about the causes and consequences of domestication, including Charles Darwin's study (32) of the mechanics of human (artificial) selection of domesticated animal and plant population characteristics. In the 20th century, theoretical refinements and the painstaking collection of empirical data have led to studies of such disparate phenomena as the physical consequences of keeping pets (12); the spread of antibiotic-resistant bacteria as a result of feeding antibiotics to livestock (117); and the evolutionary consequences of milkdrinking (99). Speculation about the origins of human-animal interaction is not the exclusive province of scientists: religions and storytellers alike customarily try to account for the beginnings of human-animal interaction. Genesis does so |
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Equine Behaviour @ team @ |
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4256 |
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Author |
Huff, A.N.; Meacham, T.N.; Wahlberg, M.L. |
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Title |
Feeds and feeding: A review |
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Journal Article |
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Year |
1985 |
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Journal of Equine Veterinary Science |
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5 |
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2 |
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96-108 |
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Equine Behaviour @ team @ |
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4667 |
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Veevers, J.E. |
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Title |
The Social Meaning of Pets -- Alternative Roles for Companion Animals |
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1985 |
Publication |
Marriage & Family Review |
Abbreviated Journal |
Marriage Fam Rev |
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8 |
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3&4 |
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11-30 |
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When companion animal interact closely with people, the roles they play may be categorized in terms of three major functions. The projective function involves the extent to which pets may serve as a symbolic extension of the self. The sociability function involves the role of pets in facilitating human-to-human interaction. The surrogate function involves the extent to which interaction with pets may supplement human-to-human interaction, or serve as a substitute for it. A person publicly identified with a companion animal makes a symbolic statement of their personality and self-image. Whether or not this process is intentional, the presence of a pet and the way it is treated become factors which are taken into account in the assessment of the social self. Pets facilitate interaction by being social lubricants. They provide a neutral subject of conversation, and perform a variety of functions as social catalysts. Since interaction with companion animals can approximate human companionship, the presence of pets may serve to supplement the benefits usually derived from the roles of friend, parent, spouse, or child. Alternatively, pets may serve as surrogate antagonists. In the extreme, interaction with companion animals may not only supplement human companionship, but may actually replace it. These three major functions are discussed with examples. Implications are noted for future research on companion animals. |
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Routledge |
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0149-4929 |
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Equine Behaviour @ team @ |
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5069 |
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Author |
Koyama, N. |
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Title |
Playmate relationships among individuals of the Japanese monkey troop in arashiyama |
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Journal Article |
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1985 |
Publication |
Primates |
Abbreviated Journal |
Primates |
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26 |
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4 |
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390-406-406 |
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Biomedical and Life Sciences |
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Observations of play behavior were made on a troop of Japanese monkeys for five months. The troop consisted of 125 animals during the study period. Only 104 animals were observed playing with the troop members while the other 21 animals were never observed playing with other individuals. Two-member play was the most frequent. On the average, a monkey played with 20.7 individuals. A total of 6,068 play bouts were observed. The frequency of play appeared to be affected by age, sex, and degree of relatedness. One-year-old infant males played most with other members and the frequency of play decreased with age. Between monkeys whose disparity of age was less than two years, 5,763 bouts (95.0% of the total) were observed. Moreover, among sameaged monkeys who comprised 10.6% of the possible pair combinations, 2,739 play bouts (45.1%) were observed. Juvenile males played with same-sexed peers more than with opposite-sexed peers, whereas older juvenile females appeared to play with infants of both sexes. Individuals who were related and similarly-ranked tended to play together. There was no apparent preference for animals to play with the offspring of the highest-ranking female. Dominance rank of infnats and juveniles was primarily affected by rank of their mothers and to a lesser extent by play partners. Dominance rank of older juvenile males is more likely to be affected by play partners than females. It may be a critical time for males when they leave their natal troop and join a new troop. The timing of troop shifting by males seemed to be affected by the presence or absence of play-mates. For male Japanese monkeys, play is very important in developing social bonds. Play may act to perpetuate social bonds, enhance the chance of survival, and may contribute to their future reproductive success. |
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Springer Japan |
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0032-8332 |
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Equine Behaviour @ team @ |
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5327 |
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Author |
Vrba, Elisabeth S. |
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Title |
Environment and evolution: alternative causes of the temporal distribution of evolutionary events |
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1985 |
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South African Journal of Science |
Abbreviated Journal |
S Afr J Anim Sci |
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81 |
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229-236 |
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evolution, paleontology, turnover pulse |
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Equine Behaviour @ team @ |
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5463 |
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Author |
Kummer, H.; Goodall, J. |
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Title |
Conditions of Innovative Behaviour in Primates |
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1985 |
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Philosophical Transactions of the Royal Society of London. B, Biological Sciences |
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308 |
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1135 |
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203-214 |
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Innovative behaviour achieved through exploration, learning and insight heavily depends on certain motivational, social and ecological conditions of short duration. We propose that more attention should be given to what these conditions are and where they are realized in natural groups of non-human primates. Only to the extent that such favourable conditions were frequently realized in a social structure or an extraspecific environment could selective pressures act on innovative abilities. There is hope that research into field conditions of innovative behaviour will help to identify its selectors in evolution. |
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10.1098/rstb.1985.0020 |
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Equine Behaviour @ team @ |
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5751 |
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Author |
Sasväri, L. |
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Title |
Different Observational Learning Capacity in Juvenile and Adult Individuals of Congeneric Bird Species |
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Journal Article |
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1985 |
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Zeitschrift für Tierpsychologie |
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Z. Tierpsychol. |
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69 |
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4 |
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293-304 |
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Abstract and Summary: Since the adaptive significance of social organization is emphasized diversely in both anti-predator behaviour and food searching of birds, measures and comparisons of observational learning capacity of various species are needed. Four different experimental situations were built up for juvenile and adult individuals of tits (Parus major, P. caeruleus, P. palustris) and thrushes (Turdus merula, T. philo-melos). The birds learn more easily from conspecifics and learn easily when they already know a previous problem solving situation. The capacity of observational learning of the adult great tits surpasses that of adult blue tits and marsh tits, and that of the adult blackbirds exceeds that of the adult songthrushes. The higher performance of the great tit and blackbird can be related to their greater hemispheric index. The differences in the learning capacity of the naive individuals of the three tit species and that of the two thrush species were not significant. It is suggested, that the higher observational learning of the great tit and blackbird is evolved through maturational processes and can be reflected by their greater adaptability. Zusammenfassung: Lernen durch Nachahmung wurde in vier verschiedenen Situationen mit jungen und alten Individuen von Meisen- (Parus major, P. caeruleus, P. palustris) und Drosselarten (Turdus merula, T. philomelos) untersucht. Die Vögel lernten besser von Artgenossen und lernten leicht, wenn sie vorher bereits eine Problemlösungssituation kannten. Die Lernfähigkeit (durch Nachahmung) alter Kohlmeisen übertraf die alter Blau- und Sumpfmeisen; die Lernfähigkeit alter Amseln übertraf die alter Singdrosseln. Die höhere Leistung der Kohlmeisen und Amseln hängt mit ihrem höheren Hemisphären-Index zusammen. Naive Individuen der Meisen- und Drosselarten zeigten keine signifikanten Unterschiede in ihrer Lernfähigkeit. Es ist anzunehmen, daß die höhere Lernfähigkeit der Kohlmeise und der Amsel im Laufe der Entwicklung durch Reifungsprozesse zustande kommt und sich in ihrer höheren Anpassungsfähig-keit widerspiegelt. |
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Blackwell Publishing Ltd |
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1439-0310 |
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Equine Behaviour @ team @ |
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6169 |
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Crowell-Davis, S.L. |
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Nursing behaviour and maternal aggression among Welsh ponies (Equus caballus) |
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1985 |
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Applied Animal Behaviour Science |
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Appl Anim Behav Sci |
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14 |
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1 |
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11-25 |
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Nursing behaviour and related aggression of mare-foal pairs was studied from birth (n = 21) to 24 weeks of age (n = 15) of the foal. Foals exhibited a decreasing length and frequency of nursing as they grew older. Mares rarely aggressed against their foals during nursing in the foal's first 4 weeks of life, but did so increasingly through Weeks 13-16, after which the rate of aggression during nursing decreased. Mares terminated nursing primarily by moving away, and were most likely to do so during the foal's first 4 weeks of life. They became gradually less likely to do so as the foal grew older. It was concluded that mares sometimes flex their hind limb on the side opposite the foal during nursing in order to conserve energy in a situation in which they would be remaining still anyway. There was no difference between colts and fillies in the frequency or duration of nursing or in the frequency with which their mothers aggressed against them or terminated nursing. |
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0168-1591 |
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Equine Behaviour @ team @ |
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6504 |
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