Elasmobranchen, beter bekend als haaien en roggen, worden algemeen gehouden in aquaria over de hele wereld. Aquariumwelzijn is onder bestudeerd in vergelijking met terrestrische dieren in gevangenschap. Hoewel ze op grote schaal worden gehouden, zijn er maar weinig gepubliceerde studies die het welzijn …

This graduation report describes a research project at the research group metabolomics of the Leiden center of Applied Biosciences (LCAB). The aim of this project was to develop a GC-MS method for the identification of red swamp crayfish pheromones (Procambarus clarkii). Once this method has been developed, …

This investigation tries to give more insight in the relation between the Carcinus maenas, acting as predator in this part of the food chain and the Ruditapes philippinarum, being hunted by the Carcinus maenas. The focus in this investigation has been based on the occurrence of the different sizes of …

Every year more than 140 million visitors visit EAZA member zoos. To promote conservation to this enormous public of zoo visitors, EAZA launches annual conservation campaigns. Since the start of EAZA’s first campaign in 2000 they have been running 10 campaigns with a variety of issues that affect certain …

To be able to keep sustainable populations which are independent from wild populations zoos need to cooperate in collection planning. To aid this cooperation the Taxon Advisory Groups (TAGS) of the European Association of Zoos and Aquaria (EAZA) design Regional Collection Plans (RCPs). These RCPs contain …

Cooperative population management is essential for the long-term viability of animal populations held in zoos and aquaria. In several regions, zoos are working together on population management by cooperative breeding programmes. Since most of these managed populations are not viable, it is suggested …

The mission of the European Association of Zoos and Aquaria (EAZA) is to facilitate cooperation within the European zoo and aquarium community towards the goals of education, research and conservation. The reason why people visit zoos does not necessarily match these goals. These differences between …

To increase overall knowledge of housing, the experience of individual institutes needs to be shared with other zoos. To coordinate the exchange of knowledge on housing and husbandry between European zoos, the European Association of Zoos and Aquaria (EAZA), was formed in 1992. EAZA set up Taxon Advisory …

Facing the threat of climate change and loss of biodiversity, sustainability has become an es­sential public issue. Zoos as environmental organisations and leaders in conservation have a sustainable responsibility and could contribute to stem climate change and the exploitation of resources by reducing …

The white rhinoceros (Ceratotherium simum) is stated as „near threatened‟ since 2002 by the IUCN. The EAZA rhino collection is not self-sustaining. In addition to a breeding program, EAZA husbandry guidelines are developed in order to share knowledge on best husbandry practise among the European institutions …