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Vodní stopa kravského mléka pro dva typy hospodářství v Libereckém kraji / Water footprint of the cow milk for two types of production systems in the Liberec RegionHojcsková, Daniela January 2016 (has links)
The water footprint is a multidimensional indicator which was created to quantify the total volume of freshwater used for various purposes. With the water footprint it is possible to determine the volume and type of water used directly and indirectly during the production in a given place and time. The data related to the water footprints of products are utilized in the evaluation of the international trade with goods, too (a concept of virtual water used for the analysis of water stress export out of the country which imports water-intensive products). The greatest amount of water is used globally in the agriculture, so the agricultural products are the ones with the highest water footprints. The focus of concern is the water footprint of an agriculture production and the aim of this work is to bring the first results regarding the water footprint of the cow milk in the Czech Republic and also to evaluate a methodology of its calculation. Two dairy farms dealing with a market production of milk from the Liberec region were chosen for the research. The farm Rváčov is oriented to an intensive milk production and on the other hand the farm Bzí is a system with mixed elements of extensive and intensive characters of the dairy production. For the comparison of the milk production effectiveness we have...
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Nutrition, Aging and Reproduction In The House Fly, Musca Domestica L., And The Histology and Histochemistry of the Related Changes in the Ovaries and FatbodiesGoodman, Tine 05 1900 (has links)
<p> This research was designed to gain a better understanding of the relationships between nutrition, aging and oogenesis. Cohorts of 1800 inbrod, adult house flies were maintained on various undefined and chemically defined diets. From these flies samples for histology were removed periodically, and the rest were analyzed for their survival and their ability to develop and lay viable eggs. The survival of the females was more affected by nutrition and other factors than that of the males. In females fed sugar water, oogenesis was arrested at an early stage, but survival was lower than on a milk diet. From adult emergence until the completion of one or more ovarian cycles, the larval and adult fatbodies and the ovary were compared as to their histology, histochemistry and cytology. / Thesis / Master of Science (MSc)
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