| Records |
| Author |
Schwarz E, |
| Title |
Ein südpersischer Wildesel im Berliner Zoologischen Garten |
Type |
Journal Article |
| Year |
1929 |
Publication  |
Zoologische Garten |
Abbreviated Journal |
Zool. Garten. |
| Volume |
2 |
Issue |
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Pages |
85-94 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1583 |
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| Author |
Wüst G, |
| Title |
Geburt und perinatales Verhalten beim Steppenzebra |
Type |
Journal Article |
| Year |
1976 |
Publication |
Zoologische Garten |
Abbreviated Journal |
Zool. Garten. |
| Volume |
N.F. Jena 46 |
Issue |
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Pages |
305-352 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
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Serial |
1725 |
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| Author |
Lobanov, N.V. |
| Title |
Askania-Nova, A 3rd Reservate in the USSR for the breeding of Equus hemionus kulan. |
Type |
Journal Article |
| Year |
1982 |
Publication |
Zoologichesky Zhurnal |
Abbreviated Journal |
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| Volume |
61 |
Issue |
12 |
Pages |
1856-1861 |
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Equine Behaviour @ team @ |
Serial |
2341 |
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| Author |
Matsushima, T.; Izawa, E.-I.; Aoki, N.; Yanagihara, S. |
| Title |
The mind through chick eyes: memory, cognition and anticipation |
Type |
Journal Article |
| Year |
2003 |
Publication |
Zoological Science |
Abbreviated Journal |
Zoolog Sci |
| Volume |
20 |
Issue |
4 |
Pages |
395-408 |
| Keywords |
Animals; Birds/anatomy & histology/*physiology; Brain/anatomy & histology/cytology/physiology; Cognition/*physiology; Memory/*physiology; Perception/physiology |
| Abstract |
To understand the animal mind, we have to reconstruct how animals recognize the external world through their own eyes. For the reconstruction to be realistic, explanations must be made both in their proximate causes (brain mechanisms) as well as ultimate causes (evolutionary backgrounds). Here, we review recent advances in the behavioral, psychological, and system-neuroscience studies accomplished using the domestic chick as subjects. Diverse behavioral paradigms are compared (such as filial imprinting, sexual imprinting, one-trial passive avoidance learning, and reinforcement operant conditioning) in their behavioral characterizations (development, sensory and motor aspects of functions, fitness gains) and relevant brain mechanisms. We will stress that common brain regions are shared by these distinct paradigms, particularly those in the ventral telencephalic structures such as AIv (in the archistriatum) and LPO (in the medial striatum). Neuronal ensembles in these regions could code the chick's anticipation for forthcoming events, particularly the quality/quantity and the temporal proximity of rewards. Without the internal representation of the anticipated proximity in LPO, behavioral tolerance will be lost, and the chick makes impulsive choice for a less optimized option. Functional roles of these regions proved compatible with their anatomical counterparts in the mammalian brain, thus suggesting that the neural systems linking between the memorized past and the anticipated future have remained highly conservative through the evolution of the amniotic vertebrates during the last 300 million years. With the conservative nature in mind, research efforts should be oriented toward a unifying theory, which could explain behavioral deviations from optimized foraging, such as “naive curiosity,” “contra-freeloading,” “Concorde fallacy,” and “altruism.” |
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Graduate School of Bioagricultural Sciences, Nagoya University, Japan. matusima@agr.nagoya-u.ac.jp |
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English |
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0289-0003 |
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| Notes |
PMID:12719641 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
2858 |
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| Author |
Antonius. O., |
| Title |
Fruchtbare Maultiernachzucht |
Type |
Journal Article |
| Year |
1950 |
Publication |
Zool Anzeiger Erg |
Abbreviated Journal |
Zool Anzeiger Erg |
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Issue |
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Pages |
28-33 |
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| Notes |
from Prof. Hans Klingels Equine Reference List |
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no |
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Serial |
893 |
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| Author |
Joubert, E. |
| Title |
Mountain zebra behaviour |
Type |
Journal Article |
| Year |
1972 |
Publication |
Zool Africana |
Abbreviated Journal |
Zool. Afr. |
| Volume |
7 |
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Equine Behaviour @ team @ |
Serial |
2304 |
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| Author |
Kirkpatrick, J. F.; Lasley, B. L.; Shideler,S. E. |
| Title |
Urinary steroid evaluations to monitor ovarian function in exotic ungulates |
Type |
Journal Article |
| Year |
1990 |
Publication |
Zoo Biology |
Abbreviated Journal |
Zoo Biol |
| Volume |
9 |
Issue |
5 |
Pages |
341 - 348 |
| Keywords |
Perissodactyla – ovulation – corpus luteum |
| Abstract |
A direct enzyme immunoassay (EIA) for non-specific urinary progesterone (Po) metabolites, utilizing a non-specific monoclonal antibody against pregnanediol-3-glucuronide, was evaluated for the purpose of assessing luteal function in equids. Urinary pregnanediol-3-glucuronide (PdG) and immunoreactive PdG-like conjugate (iPdG) concentrations, indexed by creatinine, were compared to plasma Po concentrations in non-conceptive ovarian cycles through two ovulations in four mares. High-performance liquid chromatography (HPLC) of urine from lutealphase mares and a pregnant zebra revealed an absence of significant concentrations of PdG and the presence of at least three immunoreactive compounds, all of which were more polar than PdG. The concentration of iPdG in the mare ranged from a nadir of approximately 3 ng/mg Cr at the time of ovulation to nearly 400 ng/mg Cr at the mid-luteal-phase peak and paralleled plasma Po concentrations. This non-radiometric assay for iPdG permits the assessment of ovulation, luteal formation and function, and luteolysis in unprocessed urine samples from domestic mares. Data from a single zebra indicate this approach also will permit simplified and non-invasive longitudinal studies of ovarian function among a wide range of Equidae. |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
yes |
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Serial |
1274 |
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| Author |
Maple; , M.L.W.; Meredith J. Bashaw; Kimberly Fountain; Sarah Kieschnick; Terry L. |
| Title |
Nocturnal behavior in a group of female African elephants |
Type |
Journal Article |
| Year |
2006 |
Publication |
Zoo Biology |
Abbreviated Journal |
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| Volume |
25 |
Issue |
3 |
Pages |
173-186 |
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| Abstract |
The nocturnal behavior of a stable group of female, African elephants (Loxodonta africana africana) was studied to: (1) examine their behavior as a function of hour of night; (2) qualitatively compare the elephants' activity budgets to those reported in a previous study; and (3) document the presence of aggressive and stereotypic behaviors that might necessitate a change in their management. The elephants were systematically observed at least five times per week for 10 weeks between 17:00 and 08:00. Instantaneous focal samples of behavior, location, and proximity were taken every minute on a rotating basis, and all observed occurrences of social behavior were recorded. The hour of night affected elephant activity: significant relationships were found between hour of night and percent of time they spent feeding, lying, and standing. The overall activity budgets of the elephants were similar to the activity budgets reported in a previous study, although differences were evident in lying, stereotypic, and social behaviors. These differences might be a function of age. Affiliative behaviors accounted for 57% of the elephants' social behaviors, and agonistic behaviors among the elephants occurred infrequently and caused no injuries. Additionally, the elephants used all areas to which they had access. These findings provide compelling evidence that unrestricted social access during the night is the appropriate management strategy for these elephants. The results from the present study also highlight the importance of replicating existing studies and using multiple behavioral measures to make decisions regarding the welfare and management of stable groups of captive elephants. Zoo Biol 25:173-186, 2006. 2006 Wiley-Liss, Inc. |
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1098-2361 |
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refbase @ user @ Maple;2006 |
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3551 |
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| Author |
Savage; , A.O.; Kirsten Leong; Laura Graham; Anne |
| Title |
Behavioral indices of estrus in a group of captive African elephants (Loxodonta africana) |
Type |
Journal Article |
| Year |
2005 |
Publication |
Zoo Biology |
Abbreviated Journal |
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| Volume |
24 |
Issue |
4 |
Pages |
311-329 |
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| Abstract |
This study investigated behavioral signals of estrus by systematically monitoring the interactions of one male with four female African elephants housed in a naturalistic outdoor enclosure at Disney's Animal Kingdom over a period of 11 months. We measured changes in five spatial behaviors and 22 tactile-contact behaviors, as well as changes in serum progestagen and LH concentrations, across three ovarian cycles for each female. Two females did not cycle during the study. Three different phases of the ovarian cycle were identified: mid luteal, anovulatory follicular, ovulatory follicular. The male followed more and carried out more genital inspections, flehmen, and trunk-to-mouth behaviors toward cycling females during their ovulatory phase. Genital inspections by the male peaked above baseline levels on the day of an LH surge, and up to 9 days before, in both cycling females and, thus, might be a useful behavioral index of estrus. The male also carried out more genital inspections, flehmen, and trunk touches to the back leg toward ovulatory cycling than noncycling females. Overall, our results indicated that: 1) a single subadult African elephant male could discriminate two females in the ovulatory phase of their cycle (i.e., during the 3 weeks preceding ovulation) from the mid luteal phase; 2) the male also discriminated two cycling females in the ovulatory and anovulatory follicular phases from two noncycling females; 3) two females in the ovulatory phase of the cycle displayed a greater variety of tactile-contact behavior toward the male compared to the other cycle phases. Zoo Biol 0:1-19, 2005. – 2005 Wiley-Liss, Inc. |
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1098-2361 |
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refbase @ user @ Savage;2005 |
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3552 |
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| Author |
Cassinello, J.; Pieters, I. |
| Title |
Multi-male captive groups of endangered dama gazelle: Social rank, aggression, and enclosure effects |
Type |
Journal Article |
| Year |
2000 |
Publication |
Zoo Biology |
Abbreviated Journal |
Zoo Biol. |
| Volume |
19 |
Issue |
2 |
Pages |
121-129 |
| Keywords |
stress; ungulates; zoos |
| Abstract |
A study carried out in four multi-male groups of captive dama gazelle (Gazella dama mhorr) characterized the social rank order of males and possible enclosure effects on aggression rate. A strong relationship between rank and age was found. The results also showed that dominant individuals in the two smallest enclosures were more aggressive than their herdmates, suggesting a more stressful environment, which might precipitate unstable or challenged hierarchies when the animals live in a more restricted enclosure. Subordinate males performed submissive responses at a higher frequency, irrespective of the size of the enclosure. The frequency of interactions between the gazelles, on the other hand, was affected by enclosure size, since high-ranking males showed higher values than low-ranking males in the two smallest enclosures. Frequencies of aggressive acts, retreats, and related interactions were similar in all the herds. Implications for the management of the species in captivity are discussed. Zoo Biol 19:121–129, 2000. © 2000 Wiley-Liss, Inc. |
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John Wiley & Sons, Inc. |
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1098-2361 |
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Equine Behaviour @ team @ |
Serial |
5476 |
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