| Records |
| Author |
Konstantinov, S.A.; Veselkin, A.G. |
| Title |
[The intensity and efficiency of a gadfly attack on cattle depending on the number and location of the animals in the herd] |
Type |
Journal Article |
| Year |
1989 |
Publication |
Parazitologiia |
Abbreviated Journal |
Parazitologiia |
| Volume |
23 |
Issue |
1 |
Pages |
3-10 |
| Keywords |
Animals; Cattle/*parasitology; Diptera/*physiology; Ecology; Insect Bites and Stings/parasitology/*veterinary; Russia |
| Abstract |
The effect of group was studied on cattle being attacked by horse flies of three genera. The method of simultaneous registrations of attacking horse flies in herds of 8 to 100 animals and on single cows was used. It has been shown that the effect of group reveals itself only when animals in the herd reach a certain minimum number, the effect rate depending on peculiarities of attacking of a given species of bloodsuckers, such as a part of responding individuals, distance of an attack, duration of contact with an object. These parameters tend to change with increasing number of animals in the herd. Therefore differences in the intensity of attacks on herds with different cattle stock cannot be explained proceeding only from differences in the occupied areas. The number of attacking horse flies decreases from the periphery of the herd to its centre and is not the same in different parts of the periphery. The effectiveness of attacking, ie the part of sucking individuals of a given species (genus) from the number of horse flies attacking for a definite period of time, is the highest in a large herd and increases in its ranges from the periphery to the centre. This dependence leads to a more even distribution of sucking individuals as compared to attacking ones. |
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Russian |
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Original Title |
Intensivnost' i effektivnost' napadeniia slepnei na krupnyi rogatyi skot v zavisimosti ot chisla i mestopolozheniia zhivotnykh v stade |
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0031-1847 |
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| Notes |
PMID:2524028 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2674 |
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| Author |
Kaplan, A.I.; Borodovskii, M.I. |
| Title |
[Alternative animal behavior: a model and its statistical characteristics] |
Type |
Journal Article |
| Year |
1989 |
Publication |
Nauchnye Doklady Vysshei Shkoly. Biologicheskie Nauki |
Abbreviated Journal |
Nauchnye Doki Vyss Shkoly Biol Nauki |
| Volume |
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Issue |
3 |
Pages |
29-32 |
| Keywords |
Animals; *Behavior, Animal; Cognition; Male; Mathematics; *Models, Biological; *Models, Statistical; Rats; Reinforcement (Psychology) |
| Abstract |
The rats' alternative behaviour in T-maze at simultaneous two-sided food refreshment in 13 trials a day during 6 days has been studied. It has been found that in the first testing days the indexes of alternative behaviour of animals correspond to the characteristics of the random alternation. However, on the 5-6th day of testing in the overwhelming majority of rats the true deviation of alternation index above or below than the theoretical values has been revealed. A question on the existence of two strategies of cognitive behaviour alteration and perseveration in rat population is under discussion. |
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Russian |
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Original Title |
Al'ternativnoe povedenie zhivotnykh: model' i statisticheskie kharakteristiki |
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| ISSN |
0470-4606 |
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| Notes |
PMID:2742929 |
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no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
2799 |
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| Author |
Galdikas, B.M. |
| Title |
Orangutan tool use |
Type |
Journal Article |
| Year |
1989 |
Publication |
Science (New York, N.Y.) |
Abbreviated Journal |
Science |
| Volume |
243 |
Issue |
4888 |
Pages |
152 |
| Keywords |
Animals; Animals, Wild; *Behavior, Animal; Cognition; *Hominidae; Humans; *Pongo pygmaeus |
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English |
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0036-8075 |
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| Notes |
PMID:2911726 |
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no |
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Equine Behaviour @ team @ |
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2847 |
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| Author |
Duncan, I.J.H.; Petherick, J.C. |
| Title |
Proceeding (Paper presented at the Winter Meeting of the Society for Veterinary Ethology, London, Great Britain, 30 November 1988)Cognition: The implications for animal welfare |
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Journal Article |
| Year |
1989 |
Publication |
Applied Animal Behaviour Science |
Abbreviated Journal |
Appl. Anim. Behav. Sci. |
| Volume |
24 |
Issue |
1 |
Pages |
81-1010 |
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no |
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Equine Behaviour @ team @ |
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2921 |
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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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no |
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Equine Behaviour @ team @ |
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2922 |
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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 |
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Journal Article |
| Year |
1989 |
Publication |
Child Dev. |
Abbreviated Journal |
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| Volume |
60 |
Issue |
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Pages |
1263 |
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no |
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Equine Behaviour @ team @ |
Serial |
2986 |
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| Author |
Povinelli DJ |
| Title |
Failure to find self-recognition in Asian elephants (Elephas maximus) in contrast to their use of mirror cues to discover hidden food |
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Journal Article |
| Year |
1989 |
Publication |
J. Comp. Psychol. |
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| Volume |
103 |
Issue |
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122 |
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no |
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Equine Behaviour @ team @ |
Serial |
3026 |
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| Author |
Dewsbury, D.A. |
| Title |
Comparative Psychology, Ethology, and Animal Behavior |
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Journal Article |
| Year |
1989 |
Publication |
Annual Review of Psychology |
Abbreviated Journal |
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| Volume |
40 |
Issue |
1 |
Pages |
581-602 |
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no |
| Call Number |
refbase @ user @ |
Serial |
3541 |
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| Author |
Herder, S.L. |
| Title |
More cardiac dressage: galop, gallop, gal(l)opitty glop |
Type |
Journal Article |
| Year |
1989 |
Publication |
JAMA : the Journal of the American Medical Association |
Abbreviated Journal |
Jama |
| Volume |
262 |
Issue |
3 |
Pages |
352 |
| Keywords |
Animals; Gait; *Heart Rate; Horses; Humans; Terminology; *Wit and Humor |
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English |
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0098-7484 |
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| Notes |
PMID:2739033 |
Approved |
no |
| Call Number |
Equine Behaviour @ team @ |
Serial |
3757 |
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| Author |
Huizinga, H.A.; van der Meij, G.J.W. |
| Title |
Estimated parameters of performance in jumping and dressage competition of the Dutch Warmblood horse |
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Journal Article |
| Year |
1989 |
Publication |
Livestock Production Science |
Abbreviated Journal |
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| Volume |
21 |
Issue |
4 |
Pages |
333-345 |
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| Abstract |
The objective of this study is to estimate several genetic parameters in the Dutch Warmblood riding horse population. The traits involved are performances in jumping and dressage competition. The following parameters are estimated: heritabilities for jumping and dressage; phenotypic and genetic correlations between jumping and dressage; and phenotypic and genetic correlations between performances at different ages. These parameters are estimated by restricted maximum likelihood (REML). Data are from 6899 horses with performances in jumping and 10 408 horses with performances in dressage competition. The horses are sired by 205 and 237 stallions for the two traits, respectively. The progeny range in age from 4 to 8 years old. The performance trait is a cumulatively derived score, that reflects the level of performance in competition. A square root transformation of the score is most appropriate to normalize the data. For estimation of phenotypic and genetic parameters the data is split into two data sets according to the age of the sires (offspring sired by older vs. younger stallions). For estimating correlations between performances at 4, 5 and 6 years of age, performances of the offspring out of previous years are linked to the data. The most unbiased estimates of heritability for jumping and dressage are from data derived from the youngest offspring sired by the younger stallions and are 0.20 and 0.10, respectively. Genetic correlation between jumping and dressage ranges from -0.27 to 0.10. The phenotypic correlation between these traits ranges from 0.15 to 0.26. Phenotypic and genetic correlations between performances at 4, 5 and 6 years average 0.95 and 0.75, respectively. These latter results have important implications for genetic evaluation of breeding candidates in the population. |
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no |
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refbase @ user @ |
Serial |
3966 |
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