National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Explorační chování samic dvou poddruhů myši domácí (\kur{M. m. musculus} a \kur{M. m. domesticus})
DOSOUDILOVÁ, Jana
In this study we employed a standard open-field test as an approximation of the first phase of dispersal, using females from wild-derived inbred strains representing two subspecies of the house mouse, M. m. musculus and M. m. domesticus. We tested the prediction that exploration of neutral area varies during different phases of the oestrus cycle and is different between the two subspecies. We also compared female's behaviour with male exploration tested in the same conditions.
Assortative mating in Endler's Livebearer
SCHAFFELHOFEROVÁ, Dana
The thesis deals with assortative behaviour of Poecilia wingei. The aims of the thesis are to describe character traits of fish and their heritability, then set breeding pairs of Endler's Livebearer (Poecilia wingei) and to determine their traits (shy or bold). After that, the offspring generation of such pairs was bred and their personal traits were determined too. Finally a comparison of the parents and the offspring generation was carried out and the heritability was analyzed. The traits were analyzed using the Open Field test. Fifty pairs of the parent generation were measured, coupled into pairs according to their traits. After that the offspring generation was measured too. The intraclass correlation coefficient was calculated, determining the share of the total phenotypic variance that is conditioned by the variability of genetic information in the population. The results were analysed using Statistica 12. The comparisons of the results revealed the heritability of the traits.
Personality of common vole (\kur{Microtus arvalis}): behaviour in new environment
ROUBOVÁ, Veronika
This thesis is focused on intraindividual variations. 96 common voles have been searched in Open-field test. I measured total duration, frequency and latency of behavioral components. Following analysis of datas discovered behavioral differences between voles. I assessed some individuals either as extremely shy or extremely bold but most individuals can be clasified between this extreme values.

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