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Author  |
Henneke, D.R.; Potter, G.D.; Kreider, J.L.; Yeates, B.F. |
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Title |
Relationship between condition score, physical measurements and body fat percentage in mares |
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Journal Article |
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Year |
1983 |
Publication |
Equine Veterinary Journal |
Abbreviated Journal |
Equine Vet J |
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Volume |
15 |
Issue |
4 |
Pages |
371-372 |
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Keywords |
*Adipose Tissue; Animals; Biometry; Body Weight; Female; Heart/anatomy & histology; Horses/anatomy & histology/*physiology; *Reproduction |
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0425-1644 |
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PMID:6641685 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2299 |
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Author |
Heffner, R.S.; Heffner, H.E. |
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Title |
Hearing in large mammals: Horses (Equus caballus) and cattle (Bos taurus) |
Type |
Journal Article |
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Year |
1983 |
Publication |
Behavioral Neuroscience |
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Volume |
97 |
Issue |
2 |
Pages |
299-309 |
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Keywords |
auditory range & sensitivity, horses vs cattle |
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Abstract |
Determined behavioral audiograms for 3 horses and 2 cows. Horses' hearing ranged from 55 Hz to 33.3 kHz, with a region of best sensitivity from 1 to 16 kHz. Cattle hearing ranged from 23 Hz to 35 kHz, with a well-defined point of best sensitivity at 8 kHz. Of the 2 species, cattle proved to have more acute hearing, with a lowest threshold of –21 db (re 20 μN/m–2) compared with the horses' lowest threshold of 7 db. Comparative analysis of the hearing abilities of these 2 species with those of other mammals provides further support for the relation between interaural distance and high-frequency hearing and between high- and low-frequency hearing. (39 ref) (PsycINFO Database Record (c) 2012 APA, all rights reserved) |
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American Psychological Association |
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1939-0084(Electronic);0735-7044(Print) |
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Call Number |
Equine Behaviour @ team @ 1983-29540-001 |
Serial |
5633 |
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Author |
Heffner, H.E.; Heffner, R.S. |
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Title |
The hearing ability of horses |
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Journal Article |
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Year |
1983 |
Publication |
Equine Pract |
Abbreviated Journal |
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Volume |
5 |
Issue |
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Pages |
27-32 |
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Cited By (since 1996): 2; Export Date: 21 October 2008 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
4520 |
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Author |
Grobler, J. H. |
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Title |
Feeding habits of the cape mountain zebra |
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Journal Article |
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Year |
1983 |
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Abbreviated Journal |
Koedoe |
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26 |
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Pages |
159-168 |
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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 |
1127 |
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Author |
Duncan, P. |
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Title |
Determinants of the use of habitat by horses in a mediterranean wetland |
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Journal Article |
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Year |
1983 |
Publication |
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Abbreviated Journal |
J. Anim. Ecol. |
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52 |
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93-109 |
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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 |
1031 |
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Author |
Crook, J.H. |
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Title |
On attributing consciousness to animals |
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Journal Article |
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Year |
1983 |
Publication |
Nature |
Abbreviated Journal |
Nature |
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Volume |
303 |
Issue |
5912 |
Pages |
11-14 |
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Keywords |
Animals; *Behavior, Animal; Cognition; *Consciousness; Evolution; Learning |
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English |
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ISSN |
0028-0836 |
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Notes |
PMID:6843653 |
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no |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2795 |
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Author |
Carson, K.; Wood-Gush, D.G.M. |
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Title |
Equine behaviour: II. A review of the literature on feeding, eliminative and resting behaviour |
Type |
Journal Article |
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Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
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Volume |
10 |
Issue |
3 |
Pages |
179-190 |
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Abstract |
The literature on the feeding, eliminative and resting behaviour of horses has been reviewed to collate the information available on these subjects. The grazing and eliminative behaviour patterns of domestic horses are unlike those of free-ranging Equidae. The reasons for this are not known, but it can cause wasted grazing of up to 90% of a field. Certain conditions, such as provision of supplementary hay and lack of available herbage, can cause these behaviour patterns to change, although it is not known how to manipulate the grazing behaviour of horses to prevent deterioration of the pasture. Grazing behaviour is influenced by many variables and is more complex than the feeding behaviour of a stabled horse. Horses sleep for approximately 12% of the day and show 4 different sleep/wakefulness states -- alert wakefulness, drowsiness, slow-wave sleep and paradoxical sleep. Horses are able to maintain slow-wave sleep while standing, but they need to lie down for paradoxical sleep to occur, rarely spending more than 30 consecutive minutes in lateral recumbency. |
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Call Number |
refbase @ user @ |
Serial |
1990 |
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Author |
Carson, K.; Wood-Gush, D.G.M. |
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Title |
Equine behaviour: I. A review of the literature on social and dam--Foal behaviour |
Type |
Journal Article |
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Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
Appl. Animal. Ethol. |
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Volume |
10 |
Issue |
3 |
Pages |
165-178 |
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Abstract |
In most cases, the social organisation of each of the seven species of Equidae existing today outside captivity is either territorial or non-territorial. The striking differences found between these two types of organisation in the social grouping and bonds, mating behaviour, leadership and dominance hierarchies of the animals are examined. It is thought that the non-territorial species show a less primitive type of organisation than the territorial animals. Infant Equidae are precocious animals and are able to follow their dams soon after birth. They stay close by their dams and travel with the herd from an early age and are therefore classified as “followers”, in contrast to the species which have a period of hiding after birth. Dams recognise their foals immediately after birth, whereas it takes 2 or 3 days for a foal to form an attachment to its dam. Being in close proximity to their dams, foals are able to nurse frequently and, unless artificially weaned, a foal will nurse until its dam foals again. Foals start to graze during their first week and as they grow older they spend more time grazing and less time nursing and resting. It is normal for foals to be corprophagic until one month old, and this provides them with bacteria essential for the digestion of fibre. Play behaviour is solitary in very young foals, but after 4 weeks of age, foals play together, with male foals playing more than females and showing more aggressive, fighting movements in play. |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2253 |
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Author |
Carson, K.; Wood-Gush, D.G.M. |
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Title |
Equine behaviour: I. A review of the literature on social and dam--Foal behaviour |
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Journal Article |
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Year |
1983 |
Publication |
Applied Animal Ethology |
Abbreviated Journal |
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10 |
Issue |
3 |
Pages |
165-178 |
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Abstract |
In most cases, the social organisation of each of the seven species of Equidae existing today outside captivity is either territorial or non-territorial. The striking differences found between these two types of organisation in the social grouping and bonds, mating behaviour, leadership and dominance hierarchies of the animals are examined. It is thought that the non-territorial species show a less primitive type of organisation than the territorial animals. Infant Equidae are precocious animals and are able to follow their dams soon after birth. They stay close by their dams and travel with the herd from an early age and are therefore classified as “followers”, in contrast to the species which have a period of hiding after birth. Dams recognise their foals immediately after birth, whereas it takes 2 or 3 days for a foal to form an attachment to its dam. Being in close proximity to their dams, foals are able to nurse frequently and, unless artificially weaned, a foal will nurse until its dam foals again. Foals start to graze during their first week and as they grow older they spend more time grazing and less time nursing and resting. It is normal for foals to be corprophagic until one month old, and this provides them with bacteria essential for the digestion of fibre. Play behaviour is solitary in very young foals, but after 4 weeks of age, foals play together, with male foals playing more than females and showing more aggressive, fighting movements in play. |
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ISSN |
0304-3762 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6671 |
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Author |
Boyd, R.; Silk, J.B. |
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Title |
A method for assigning cardinal dominance ranks |
Type |
Journal Article |
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Year |
1983 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
31 |
Issue |
1 |
Pages |
45-58 |
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Abstract |
Dominance hierarchies are widely described in nature. Commonly, an individual's ordinal rank is used as a measure of its position in the hierarchy, and, therefore its priority of access to resources. This use of ordinal ranks has several related drawbacks: (1) it is difficult to assess the magnitude or the significance of the difference in degree of dominance between two individuals; (2) it is difficult to evaluate the significance of differences between dominance matrices based on different behaviours or on the same behaviour at different times, and (3) it is difficult to use parametric statistical techniques to relate dominance rank to other quantities of interest. In this paper we describe a method for assigning cardinal dominance indices that does not suffer from these drawbacks. This technique is based on the Bradley-Terry model from the method of paired comparisons. We show how this model can be reinterpreted in terms of dominance interactions. and we describe a simple iterative technique for computing cardinal ranks. We then describe how to evaluate (1) whether the rank differences between individuals are significant, and (2) whether differences in the cardinal hierarchies based on different behaviours or the same behaviour at different times are significant. We then show how to generalize the method to deal with behaviours that sometimes have ambiguous outcomes, or behaviours for which the rank difference between a pair of individuals affects the rate of interaction between them. |
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refbase @ user @ |
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859 |
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