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Author |
KASEDA Y et al, |
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Title  |
Separation and independence of offsprings from the harem groups in Misaki horses |
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Year |
1984 |
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Jap J Zootechn Sci |
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55 |
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852-857 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1242 |
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Author |
Sato, S. |
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Title |
Social licking pattern and its relationships to social dominance and live weight gain in weaned calves |
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Journal Article |
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Year |
1984 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
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Volume |
12 |
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1 |
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25-32 |
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Abstract |
Social licking patterns of heifer and steer herds were observed and recorded during periods of resting and intermittent feeding. The results revealed the following features: (1) heifers and steers had 15.0 and 15.2 social licking interactions per hour which lasted for 37.8 and 41.0 s on average, respectively. The average time an animal spent licking was about 25 s per hour; (2) all the animals in the herds were licked by others, but only 72.3% of the animals licked other animals; (3) the animals close in the social hierarchy tended to lick each other for a longer time than did remote animals; (4) the time receiving l licking and weight gain tended to be positively correlated. The observations suggest that (1) the motivation of giving licking may be individual-specific and may be influenced by genetic factors, while that of receiving licking appears to be general, and that (2) social licking may mean not only cleaning the skin and hair of a passive partner, but also leading it to psychological stability. |
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Elsevier |
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0168-1591 |
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doi: 10.1016/0168-1591(84)90093-5 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
6407 |
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Author |
Kacelnik, A.; Houston, A.I. |
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Title |
Some effects of energy costs on foraging strategies |
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Journal Article |
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Year |
1984 |
Publication |
Animal Behaviour. |
Abbreviated Journal |
Anim. Behav. |
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Volume |
32 |
Issue |
2 |
Pages |
609-614 |
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Abstract |
We consider the effect of including energy costs on the optimal strategy for animals exploiting a depleting food resource. In the context of central place foraging this leads to the problem of what load size should be brought back to the central place. Two strategies are discussed: (i) maximize gross rate of energy delivery and (ii) maximize net rate of energy delivery. The optimal load size (or optimal patch time) for net maximizers is not always larger than for gross maximizers, as has been claimed. Instead, the difference in optimal load size has the same sign as the difference between metabolic rates of travelling and foraging. We point out that the influence of costs has not always been correctly incorporated in experimental tests of the theory. |
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2122 |
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Author |
Kolter L, |
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Title |
Soziale Beziehungen zwischen Pferden und deren Auswirkungen auf die Aktivität bei Gruppenhaltung |
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1984 |
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Diss. Köln |
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Notes |
from Professor Hans Klingels Equine Reference List |
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no |
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1324 |
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Author |
Clark, T.B.; Peterson, B.V.; Whitcomb, R.F.; Henegar, R.B.; Hackett, K.J.; Tully, J.G. |
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Title |
Spiroplasmas in the Tabanidae |
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Journal Article |
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Year |
1984 |
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Israel Journal of Medical Sciences |
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Isr J Med Sci |
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20 |
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10 |
Pages |
1002-1005 |
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Keywords |
Animals; Diptera/*microbiology/ultrastructure; Ecology; Female; Hemolymph/microbiology; Male; Maryland; North Carolina; Plants/microbiology; Spiroplasma/classification/*isolation & purification/physiology |
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Spiroplasmas were observed in seven species of the family Tabanidae (horse flies and deer flies). This is the fifth family of the order Diptera now known to harbor spiroplasmas. Noncultivable spiroplasmas were seen in the hemolymph of three species of the genus Tabanus, and cultivable forms were isolated from the guts of six species in three genera. Isolates from T. calens and T. sulcifrons were serologically similar and closely related to a spiroplasma in the lampyrid beetle, Ellychnia corrusca. These three isolates represent a new serogroup. Isolates from Hybomitra lasiophthalma were related to Group IV strains, while those from T. nigrovittatus and Chrysops sp. both represented new serogroups. At least some tabanids probably acquire spiroplasmas from contaminated flower surfaces. The possibility of vertebrate reservoirs for some tabanid spiroplasmas remains an open question. |
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0021-2180 |
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Notes |
PMID:6511308 |
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Call Number |
Equine Behaviour @ team @ |
Serial |
2687 |
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Author |
Eisenmann V, |
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Title |
Sur quelques caractères adaptatifs du squelette d`Equus et leurs implications paléoécologiques Bull |
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Journal Article |
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Year |
1984 |
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Bull Mus natn Hist nat Paris |
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6 |
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185-195 |
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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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1054 |
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Author |
Seyfarth, R.M.; Cheney, D.L. |
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Title |
The acoustic features of vervet monkey grunts |
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Journal Article |
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Year |
1984 |
Publication |
The Journal of the Acoustical Society of America |
Abbreviated Journal |
J Acoust Soc Am |
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Volume |
75 |
Issue |
5 |
Pages |
1623-1628 |
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Keywords |
*Acoustics; Animals; Auditory Perception; Cercopithecus/*physiology; Cercopithecus aethiops/*physiology; Cues; Dominance-Subordination; Female; Male; Social Behavior; Sound Spectrography; *Vocalization, Animal |
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East African vervet monkeys give short (125 ms), harsh-sounding grunts to each other in a variety of social situations: when approaching a dominant or subordinate member of their group, when moving into a new area of their range, or upon seeing another group. Although all these vocalizations sound similar to humans, field playback experiments have shown that the monkeys distinguish at least four different calls. Acoustic analysis reveals that grunts have an aperiodic F0, at roughly 240 Hz. Most grunts exhibit a spectral peak close to this irregular F0. Grunts may also contain a second, rising or falling frequency peak, between 550 and 900 Hz. The location and changes in these two frequency peaks are the cues most likely to be used by vervets when distinguishing different grunt types. |
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0001-4966 |
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PMID:6736426 |
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refbase @ user @ |
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703 |
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Author |
Kusunose R, S.H. |
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Title |
The behavioral development of thouroughbred foals and the relationship between dams and foals |
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Journal Article |
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Year |
1984 |
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Abbreviated Journal |
Jap J Zootechn Sci |
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55 |
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263-271 |
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from Professor Hans Klingels Equine Reference List |
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no |
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1333 |
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Author |
Lloyd P, |
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Title |
The Cape Mountain Zebra 1984 |
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1984 |
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Afr Wildl |
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38 |
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144-149 |
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from Professor Hans Klingels Equine Reference List |
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1347 |
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Author |
Anderson JR |
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Title |
The development of self-recognition: a review |
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1984 |
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Dev. Psychobiol. |
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17 |
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35 |
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Equine Behaviour @ team @ |
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2977 |
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