There are two aims of this thesis; one is selecting 2n pollen producers from F1 hybrids of T. gesneriana x T. fosteriana tulip hybrids crossing experiment. Furthermore, to test one year old tulip seedlings for ploidy levels of the F1 progenies in order to determine the result of the function of the 2n …

This thesis was conducted to analyze the structures of European state studs in regards to business structures, resources and developments of European state studs. The goal is to support the work of the European State Studs Association (ESSA) which is building up a network between European state studs …

Nutrition is an important consideration in zoos, as it affects the physical and mental wellbeing of the animals. To satisfy all aspects of the nutritional needs of animals, diet protocols are carefully designed. Kodiak bears are one of the largest land predators in the world, with males weighing up to …

Several measures are used to assess the performance of the marketing system. The measures include quantity of milk, price, source of credit, access to commercial feeds and access to breeding services. The study also considers the role of infrastructure component in enhancing the marketing system. Data …

Tom van Weert argues that economic, societal and cultural developments in indus-trialized countries push for educational innovation. He sees Information and Communication Technology (ICT) as enabling factor of this innovation. His line of reasoning is the following. Knowledge intensive economies have …

Tomato varieties used at present for commercial production in Dutch glasshouses have a high density of glandular trichomes on the stem, but a very low density on the leaves. The two-spotted spider mite, Tetranychus urticae Koch, and the predatory mite, Phytoseiulus persimilis Athias-Henriot, usually …