| Records |
| Author |
Prescott J, |
| Title |
Suckling behavior of Llama and Chapman's Zebra in captivity |
Type |
Journal Article |
| Year |
1981 |
Publication |
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Abbreviated Journal |
Appl Anim Ethol |
Volume  |
7 |
Issue |
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Pages |
293-299 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1483 |
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| Author |
Gillan DJ; Premack D; Woodruff G |
| Title |
Reasoning in the chimpanzee: I. Analogical reasoning |
Type |
Journal Article |
| Year |
1981 |
Publication |
J. Exp. Psychol.: Anim. Behav. Process. |
Abbreviated Journal |
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| Volume |
7 |
Issue |
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Pages |
1 |
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Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3063 |
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| Author |
Joynson, R. B. |
| Title |
Towards understanding relationships, by Robert A. Hinde. London: Academic, 1979, pp xii + 367 |
Type |
Journal Article |
| Year |
1981 |
Publication |
Aggressive Behavior |
Abbreviated Journal |
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| Volume |
7 |
Issue |
3 |
Pages |
275-280 |
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no |
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Equine Behaviour @ team @ |
Serial |
4813 |
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| Author |
Bruns, E. |
| Title |
Estimation of the breeding value of stallions from the tournament performance of their offspring |
Type |
Journal Article |
| Year |
1981 |
Publication |
Livestock Production Science |
Abbreviated Journal |
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| Volume |
8 |
Issue |
5 |
Pages |
465-473 |
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| Abstract |
Data from horse-riding competitions recorded in Germany in 1976 and 1977 have been analysed to estimate genetic parameters for performance traits of riding horses measured in dressage, jumping competitions and trials. The performance traits analysed were logarithmic earnings per start, relative place number, and place value. The results are the following. 1. (1) Heritability and repeatability estimates for performance in dressage shows are 0.2 and 0.4 respectively. Corresponding estimates for performance in jumping competitions are 20% less. No genetic differences are found between stallions for performance in trials.2. (2) A selection index for estimating the breeding value of stallions was constructed by using the repeated performances of their offspring in dressage and jumping shows. For this purpose, performance data for at least ten progeny should be available. The correlation between the breeding values estimated from the dressage and jumping performances of the same stallions was approximately zero.3. (3) Reliable progeny-testing requires that the assumptions of mating stallions at random, selecting progeny randomly, and distributing them equally across environmental effects be fulfilled.4. (4) The genetic use of breeding values of stallions estimated from the performance of their progeny is opposed by the prolongation of the generation interval. This can be partly overcome by sampling young stallions and making use of the test results for young progeny only. |
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no |
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refbase @ user @ |
Serial |
3968 |
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| Author |
Boice, R. |
| Title |
Behavioral comparability of wild and domesticated rats |
Type |
Journal Article |
| Year |
1981 |
Publication |
Behavior Genetics |
Abbreviated Journal |
Behav Genet |
| Volume |
11 |
Issue |
5 |
Pages |
545-553 |
| Keywords |
Animals; *Behavior, Animal; Female; Genetics, Behavioral; Intelligence; Learning; Male; Rats/*genetics |
| Abstract |
The oft-repeated concern for the lack of behavioral comparability of domestic rats with wild forms of Rattus norvegicus is unfounded. Laboratory rats appear to show the potential for all wild-type behaviors, including the most dramatic social postures. Moreover, domestics are capable of assuming a feral existence without difficulty, one where they readily behave in a fashion indistinguishable from wild rats. The one behavioral difference that is clearly established concerns performance in laboratory learning paradigms. The superiority of domestics in these laboratory tasks speaks more to quieting the concerns of degeneracy theorists than to problems of using domestic Norway rats as subjects representative of their species. |
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English |
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| ISSN |
0001-8244 |
ISBN |
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| Notes |
PMID:7325955 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4144 |
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| Author |
Rubenstein Di, |
| Title |
Behavioural ecology of island feral horeses |
Type |
Journal Article |
| Year |
1981 |
Publication |
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Abbreviated Journal |
Equine. Vet. J. |
| Volume |
13 |
Issue |
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Pages |
27-34 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1524 |
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| Author |
Hoff, M.P.; Nadler, R.D.; Maple, T.L. |
| Title |
Development of infant independence in a captive group of lowland gorillas |
Type |
Journal Article |
| Year |
1981 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
| Volume |
14 |
Issue |
3 |
Pages |
251-265 |
| Keywords |
Animals; *Dependency (Psychology); Female; Gorilla gorilla/*growth & development; Male; Maternal Behavior; *Personality; Sex Factors; Social Behavior; Weaning |
| Abstract |
In March 1976, 3 lowlands gorillas (Gorilla gorilla gorilla) were born to primiparous females living with an adult male in a large compound at the field station of the Yerkes Regional Primate Research Center of Emory University. Observations of parent and infant behavior began at the birth of the infants, using several methods of data collection. This report focuses on the development of independence in these infants over the 1st 1 1/2 years of life. As expected, measures of mother-infant contact and proximity decreased with age. Several measures suggested that infant independence developed as an interactive process between mothers and infants, with primary responsibility changing over the months of study. Maternal behaviors that served to maintain mother-infant contact were found to decrease with age, with an eventual shift to infant responsibility for contact maintenance. Additionally, the adult male appeared to influence developing independence as reflected in the maternal protectiveness evoked by his behavior. |
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0012-1630 |
ISBN |
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| Notes |
PMID:7262467 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
4170 |
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| Author |
Bernstein, I.S.; Dobrofsky, M. |
| Title |
Compensatory social responses of older pigtailed monkeys to maternal separation |
Type |
Journal Article |
| Year |
1981 |
Publication |
Developmental Psychobiology |
Abbreviated Journal |
Dev Psychobiol |
| Volume |
14 |
Issue |
2 |
Pages |
163-168 |
| Keywords |
Animals; Dependency (Psychology); Female; Macaca nemestrina; Male; *Maternal Deprivation; *Social Behavior |
| Abstract |
Thirteen 3-5-year-old pigtailed monkeys were subjected to five 2-hr maternal separations while remaining in their normal social group. Significant changes in activity profiles were noted during separation and reunion phases. This suggests the continued social dependence of older offspring upon the matriarch. The shift in social activities reflected attempts by the juvenile and adolescent subjects to compensate for maternal absence by intensification of other affiliative social behavior and avoidance of potentially socially disruptive situation. The subjects oriented more towards kin in the absence of the matriarch, but actual time with kin decreased. Upon the return of the matriarch, the intensified some responses depressed during her absence and returned to preseparation social relationships. Play and aggressive responses declined whereas social approaches increased during maternal absences. Submissive responses declined upon the return of the matriarch, and play increased. The subjects also showed a marked, temporary increase of direct interaction, largely sniffing and grooming, with the matriarch upon her return. |
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English |
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0012-1630 |
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| Notes |
PMID:7202854 |
Approved |
no |
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Equine Behaviour @ team @ |
Serial |
4171 |
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| Author |
Rau Re, |
| Title |
Zur Geschichte und Präparation der Mainzer Quaggas |
Type |
Journal Article |
| Year |
1981 |
Publication |
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Abbreviated Journal |
Mainzer Naturw Archiv |
| Volume |
19 |
Issue |
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Pages |
221-236 |
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| Notes |
from Professor Hans Klingels Equine Reference List |
Approved |
no |
| Call Number |
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Serial |
1498 |
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| Author |
Ridge, J.A.; Baldwin, R.L.; Labhardt, A.M. |
| Title |
Nature of the fast and slow refolding reactions of iron(III) cytochrome c |
Type |
Journal Article |
| Year |
1981 |
Publication |
Biochemistry |
Abbreviated Journal |
Biochemistry |
| Volume |
20 |
Issue |
6 |
Pages |
1622-1630 |
| Keywords |
Animals; Ascorbic Acid; *Cytochrome c Group; Guanidines; Horses; Kinetics; Oxidation-Reduction; Protein Conformation; Spectrum Analysis |
| Abstract |
The fast and slow refolding reactions of iron(III) cytochrome c (Fe(III) cyt c), previously studied by Ikai et al. (Ikai, A., Fish, W. W., & Tanford, C. (1973) J. Mol. Biol. 73, 165--184), have been reinvestigated. The fast reaction has the major amplitude (78%) and is 100-fold faster than the slow reaction in these conditions (pH 7.2, 25 degrees C, 1.75 M guanidine hydrochloride). We show here that native cyt c is the product formed in the fast reaction as well as in the slow reaction. Two probes have been used to test for formation of native cyt c. absorbance in the 695-nm band and rate of reduction of by L-ascorbate. Different unfolded species (UF, US) give rise to the fast and slow refolding reactions, as shown both by refolding assays at different times after unfolding (“double-jump” experiments) and by the formation of native cyt c in each of the fast and slow refolding reactions. Thus the fast refolding reaction is UF leads to N and the slow refolding reaction is Us leads to N, where N is native cyt c, and there is a US in equilibrium UF equilibrium in unfolded cyt c. The results are consistent with the UF in equilibrium US reaction being proline isomerization, but this has not yet been tested in detail. Folding intermediates have been detected in both reactions. In the UF leads to N reaction, the Soret absorbance change precedes the recovery of the native 695-nm band spectrum, showing that Soret absorbance monitors the formation of a folding intermediate. In the US leads to N reaction an ascorbate-reducible intermediate has been found at an early stage in folding and the Soret absorbance change occurs together with the change at 695 nm as N is formed in the final stage of folding. |
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0006-2960 |
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PMID:6261802 |
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no |
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Equine Behaviour @ team @ |
Serial |
3809 |
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