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Maternal investment and reproductive strategy in domestic horses
Komárková, Martina ; Bartošová, Jitka (advisor) ; Šumbera, Radim (referee) ; Vlček, Kamil (referee)
The aim of my doctoral thesis is the detailed study of the behavioural and sociobiological principles associated with the period of lactation. Suckling data covering almost 80 foals of domestic horse (Equus caballus) was obtained within four years of observation in the National Stud in Kladruby nad Labem, Czech Republic. The data were evaluated together with the reproductive history of the mothers, their agonistic interactions and following analysis of the dominance position of subadult foals. The first study describes longer suckling (greater maternal care) in dominant mares compared to submissive ones. Dominant mares are also less disturbed during nursing, whereas they terminated the nursing of submissive mares more often. A possible competitive advantage for the offspring of dominant mares may arise from such behaviour. The second paper enlightens the reproductive strategy of mares facing double maternal investment; suckling of the foal and pregnancy at the same time. I found out, contrary to the expectations, that the pregnant mares neither suckled their foals less nor terminated more suckling compared to non-pregnant herdmates. They may try to compensate their suckling foal with the perspective of its early weaning due to ongoing pregnancy. In the third and fourth manuscript I studied, how...
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Duality of the legal regulation of a dominant position in EU competition law
Pavel, Jan ; Svoboda, Pavel (advisor) ; Šmejkal, Václav (referee)
Résumé The presented work addresses the issue of the double-tracking nature of a dominant position in European competition law. The aim of the integration efforts during the establishment of the EU was the creation of an internal market, especially the customs union. In order to achieve this state, it was necessary to take a number of integration measures and create a legal framework, i.e. conditions, under which economic competition in the internal market could operate effectively. In this context a variety of legislation valid for the whole EU territory has been accepted. However, in the context of the economic competition this work analyzes the legislation on market dominance carried out first in Article 102 of TFEU (Treaty on the Functioning of the European Union) prohibiting restrictive business practices in the form of abuse of a dominant position and also in Council Regulation (EEC) No 4064/89 and later in Council Regulation (EC) No 139/2004 regulating the control of concentrations between undertakings. In case of both the legislations the crucial question is the "dominant position" of an enterprise in the market, while Article 102 of TFEU represents the ex post control, i.e. applies only to the possible abuse of the dominant position, and in this sense the dominant position itself is not the...
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Duality of the legal regulation of a dominant position in EU competition law
Pavel, Jan ; Svoboda, Pavel (advisor) ; Šmejkal, Václav (referee)
Résumé The presented work addresses the issue of the double-tracking nature of a dominant position in European competition law. The aim of the integration efforts during the establishment of the EU was the creation of an internal market, especially the customs union. In order to achieve this state, it was necessary to take a number of integration measures and create a legal framework, i.e. conditions, under which economic competition in the internal market could operate effectively. In this context a variety of legislation valid for the whole EU territory has been accepted. However, in the context of the economic competition this work analyzes the legislation on market dominance carried out first in Article 102 of TFEU (Treaty on the Functioning of the European Union) prohibiting restrictive business practices in the form of abuse of a dominant position and also in Council Regulation (EEC) No 4064/89 and later in Council Regulation (EC) No 139/2004 regulating the control of concentrations between undertakings. In case of both the legislations the crucial question is the "dominant position" of an enterprise in the market, while Article 102 of TFEU represents the ex post control, i.e. applies only to the possible abuse of the dominant position, and in this sense the dominant position itself is not the...
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