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	Intestinal nematodes of horses JAROLÍMKOVÁ, Alžběta The intestinal nematodes of horses were investigated in this study. Especially the gastrointestinal parasites of groups Strongylinae and Cyathostominae were studied: Strongyloides westeri, Parascaris eqourum a Oxyuris equi. Study concerns with preventive proceeding of inception of parasitic diseases, selection of right anthelmintics and antiparasitic programmes, resistance of gastrointestinal parasites on anthelmintics and their effective matters. Finally, the possible solutions are suggested based on the study. Detailed record
	Interspecific competition and host range of entomopathogenic nematodes (Steinernematidae, Nematoda) PŮŽA, Vladimír The presented thesis deals with interspecific competition and host range of entomopathogenic nematodes and assess the mechanisms enabling coexistence of multiple EPN species. The thesis further studied the scavenging ability of EPNs and their defense mechanisms against invertebrate scavengers. The results revealed that coexisting EPN species share the same niche and their interaction are complex and may be asymmetric. EPNs were found to be able to colonise and multiply in cadavers of different insects and scavenging seems to be an important alternative to normal infection. The defence of EPNs against scavengers seems to be an adaptation of the nematode-bacteria complex. Detailed record
	Facultative scavenging on invertebrate cadavers FOLTAN, Pavel The Ph.D. thesis enclosed focuses on various implications of scavenging by generalist predators on invertebrate cadavers. Comparison of the retention time for invertebrate cadavers in the field, with the detection period for decaying slug material in the guts of the predators is presented and indicates that PCR-based techniques are not able to distinguish between predated and scavenged food items. Disappearance rates for invertebrate cadavers in the field, together with generealist predator preference for dead prey were estimated and their implication on survival strategies of entomopathogenic and molluscicidal nematodes in the cadavers is discussed. Two different strategies were investigated and are presentd in the thesis. Detailed record

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