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	Author	Hunter, L.; Houpt, K..A.
	Title	Bedding material preferences of ponies.			Type	Journal Article
	Year	1989	Publication	Journal of American Society of Animal Science	Abbreviated Journal	J Anim Sci
	Volume	67	Issue	8	Pages	1986-1991
	Keywords
	Abstract	The bedding preferences of ponies were determined using video recordings of nighttime (1900 to 0700) behavior of individually housed ponies. The ponies' behavior each minute was recorded to determine time budgets. In Exp. I, preference for bedding was determined using three mares, three stallions and two geldings given access to bedded and unbedded areas in a box stall. The ponies spent more time (66%) on the bedded area and were never observed lying on the unbedded areas. In Exp. II, three mares and six stallions were given access to a box stall, one side of which was bedded with wood shavings and the other with straw. Although some individual animals preferred one bedding over the other, neither form of bedding was preferred consistently. Time budgets in Exp. II were similar on both bedding materials. The ponies spent 12% of their nighttime lying, 2% walking, 35% eating and 50% standing inactively. Some ponies had a relatively strong preference for bedding, but the type of bedding preferred varied with the individual animal. Some individual ponies had no clear preference, but instead had a side or position preference
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language		Summary Language		Original Title
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	Series Volume		Series Issue		Edition
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	Notes	from Professor Hans Klingels Equine Reference List			Approved	yes
	Call Number				Serial	1211
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	Author	Chandler M; Fritz AS; Hala S
	Title	Small scale deceit: deception marker of 2-, 3- and 4-year-olds' early theories of mind			Type	Journal Article
	Year	1989	Publication	Child Dev.	Abbreviated Journal
	Volume	60	Issue		Pages	1263
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2986
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	Author	Stahlbaum, C.C.; Houpt, K.A.
	Title	The role of the Flehmen response in the behavioral repertoire of the stallion			Type	Journal Article
	Year	1989	Publication	Physiology & behavior	Abbreviated Journal	Physiol. Behav.
	Volume	45	Issue	6	Pages	1207-1214
	Keywords	Animals; Behavior, Animal/physiology; Circadian Rhythm; Discrimination (Psychology)/physiology; Estrus; Feces; Female; Horses/physiology; Male; Sexual Behavior, Animal/physiology; Smell/physiology; Taste/physiology; Urine
	Abstract	The role of the Flehmen response in equine behavior was investigated under field and laboratory conditions. In Experiment 1, a field study made of five stallions on pasture with between three and eighteen mares each during the season indicated the following: 1) The Flehmen response was most frequently preceded by nasal, rather than oral, investigation of substances; 2) The stallions' rate of Flehmen varied with the estrous cycles of the mares; 3) The rate of Flehmen response did not show a variation with time of day; and 4) The Flehmen response was most frequently followed by marking behaviors rather than courtship behaviors. The results suggest that the Flehmen response is not an immediate component of sexual behavior, e.g., courtship of the stallion but may be involved in the overall monitoring of the mare's estrous cycle. Therefore the Flehmen response may contribute to the chemosensory priming of the stallion for reproduction. In Experiment 2 stallions were presented with urine or feces of mares in various stages of the reproductive cycle as well as with their own or other males' urine or feces. The occurrence of sniffing and Flehmen was used to determine the discriminatory ability of the stallions. Stallions can differentiate the sex of a horse on the basis of its feces alone, but cannot differentiate on the basis of urine. This ability may explain the function of fecal marking behavior of stallions.
	Address	New York State College of Veterinary Medicine, Cornell University, Ithaca 14853
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0031-9384	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:2813545			Approved	no
	Call Number	refbase @ user @			Serial	44
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	Author	Houpt, K.A.; Thornton, S.N.; Allen, W.R.
	Title	Vasopressin in dehydrated and rehydrated ponies			Type	Journal Article
	Year	1989	Publication	Physiology & behavior	Abbreviated Journal	Physiol. Behav.
	Volume	45	Issue	3	Pages	659-661
	Keywords	Animals; Behavior, Animal/physiology; Dehydration/blood; Drinking Behavior/physiology; Female; Horses/blood; Osmolar Concentration; Reaction Time; Time Factors; Vasopressins/*blood
	Abstract	Six pony mares deprived of water for 24 hours showed significant increases in plasma vasopressin (2.8 pg/ml) and osmolality (9 mosmol/kg). When water was made available the ponies drank rapidly (5 of 6 drank to satiety within 90 seconds) and corrected their fluid deficits precisely. Vasopressin did not return to predehydration levels until osmolality did after 15 minutes of access to water. The horse differs from rodents and humans, but is similar to pigs in that vasopressin levels do not fall before osmolality returns to normal. Oropharyngeal factors, therefore, may not be as important in vasopressin release in horses as in other species.
	Address	New York State College of Veterinary Medicine, Cornell University, Ithaca 14853-6401
	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0031-9384	ISBN		Medium
	Area		Expedition		Conference
	Notes	PMID:2756059			Approved	no
	Call Number	refbase @ user @			Serial	45
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	Author	Dewsbury, D.A.
	Title	Comparative Psychology, Ethology, and Animal Behavior			Type	Journal Article
	Year	1989	Publication	Annual Review of Psychology	Abbreviated Journal
	Volume	40	Issue	1	Pages	581-602
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	refbase @ user @			Serial	3541
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	Author	Klingel, H.
	Title	Odd-toed Ungulates, Horses			Type	Book Chapter
	Year	1989	Publication	Grzimek's Encyclopedia of Mammals	Abbreviated Journal
	Volume	4	Issue		Pages	550+557-594
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	Abstract
	Address
	Corporate Author				Thesis
	Publisher		Place of Publication	McGraw Hill	Editor	Grzimek, B.
	Language		Summary Language		Original Title
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	Series Volume		Series Issue		Edition
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	Area		Expedition		Conference
	Notes	from Professor Hans Klingels Equine Reference List			Approved	yes
	Call Number				Serial	1320
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	Author	Walker, S.
	Title	An introduction to animal cognition : By . Hillsdale, New Jersey: Lawrence Erlbaum (1988). Pp. viii + 328. Price [pound sign]8.95 paperback			Type	Journal Article
	Year	1989	Publication	Animal Behaviour.	Abbreviated Journal	Anim. Behav.
	Volume	37	Issue	Part 3	Pages	521-522
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	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	2922
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	Author	Visalberghi E; Trinca L
	Title	Tool use in capuchin monkeys: distinguishing between performing and understanding			Type	Journal Article
	Year	1989	Publication	Primates	Abbreviated Journal	Primates
	Volume	30	Issue		Pages	511
	Keywords	Tool use – Cebus apella – Mental representation
	Abstract	A horizontal plexiglas tube containing a food-reward was presented to four naive tufted capuchins and suitable sticks were provided to push the reward out. Three monkeys out of four spontaneously used the tools and showed very different styles of solving the task. In more complex conditions, in which the sticks needed to be combined or actively modified in order to become effective, the monkeys were always successful; however, their performance was loaded with errors which did not disappear throughout the trials. Evidence of a difference between success in solving the problem and its understanding was found. This suggests that although capuchins can discover new means through active experimentation, they do not mentally represent the characteristics necessary for a tool to be effective, nor do they modify the tool appropriately beforehand. At this level, a major difference with chimpanzees emerges.
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	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	3047
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	Author	Lloyd, P.H.; Rasa, O.A.E.
	Title	Status, reproductive success and fitness in Cape mountain zebra (Equus zebra zebra)			Type	Journal Article
	Year	1989	Publication		Abbreviated Journal	Behavioral Ecology and Sociobiology
	Volume	25	Issue	6	Pages	411-420
	Keywords
	Abstract	Demographic data relating to herd size and stability are given for a population of Cape mountain zebra (Equus zebra zebra) under longterm observation. Temporal dispersion patterns of male and female offspring differed and were independent of the mother's status. Dispersion in females appeared to be related to physiological state, and dispersion in both sexes was related to age rather than changes in parental behaviour. Reproductive success of dominant and subordinate mares was equal and independent of age and social and reproductive variables. Fitness of dominant mares, however, was significantly higher than that of subordinates, the latter having a higher foal mortality, part of which could be attributable to dominants' aggression. The fitness of all males born was 1.6:1 compared with all females. Dominant mares produced significantly more daughters than sons. This trend was not found for subordinates. Mother's status was positively correlated with dominant status in her female offspring but not related to the subsequent status of her sons. Daughters had a more than twice as great a chance of breeding than sons. For maximum fitness gains, therefore, dominant mares should produce more daughters, since a high proportion of these would also have high status and fitness. This tendency is reflected in the sex ratio skewed towards females found for dominant mares.
	Address
	Corporate Author				Thesis
	Publisher	Springer-Verlag	Place of Publication		Editor
	Language	English	Summary Language		Original Title
	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
	ISSN	0340-5443	ISBN		Medium
	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	5787
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	Author	Valone, T.J.
	Title	Group foraging, public information, and patch estimation			Type	Journal Article
	Year	1989	Publication	Oikos	Abbreviated Journal	Oikos
	Volume	56	Issue	3	Pages	357-363
	Keywords	Techniques; Mathematical techniques; Nutrition; Feeding behaviour; Behaviour; Social behaviour^, Comprehensive Zoology; Mathematical model; Resource patch estimation by group members; use of public information; Foraging; Group behaviour
	Abstract	Public information is information about the quality of a patch that can be obtained by observing the foraging success of other individuals in that patch. I examine the influence of the use of public information on patch departure and foraging efficiency of group members. When groups depart a patch with the first individual to leave, the use of public information can prevent the underutilization of resource patches.
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	Corporate Author				Thesis
	Publisher		Place of Publication		Editor
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	Series Editor		Series Title		Abbreviated Series Title
	Series Volume		Series Issue		Edition
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	Area		Expedition		Conference
	Notes				Approved	no
	Call Number	Equine Behaviour @ team @			Serial	4274
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