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National Repository of Grey Literature 2 records found  Search took 0.00 seconds. 
The Effect of rearing and age at first calving on the performance and longevity of Holstein dairy cattle
 SMRČINA, Tomáš
This thesis examines the influence of the level of rearing and age at first calving on performance and longevity of Holstein dairy cattle in the company ZD Krásná Hora nad Vltavou C. The quantity of milk per kg in the first lactation, functional longevity in kg of milk, functional longevity and longevity in days belong among the indicators observed by cows of Holstein cattle. The results of the monitored herds can be concluded that extension of age at first calving is statistically significant on the amount of milk in the first lactation, on functional longevity in kg of milk, on functional longevity and longevity in days. In contrast, no significant influence of the weight was elicited by observed indicators. The highest longevity in the monitored herd was achieved by the cows that were excluded for a difficult birth and also achieved the highest milk yield for functional longevity in kg milk and observation for the highest average in the number of lactations for life.
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The Problematic of Biodegradable Waste in the Regions of the Czech Republic
 SMRČINA, Tomáš
The goal of this thesis is to describe the issue of biodegradable waste, including its legislative act and the possibilities of other usage of biodegradable waste as unburdening products. The main aim of this thesis is to complete the logistic model for the delivery transportation of agricultural biodegradable waste. The concept of compost for the city Milevsko and its catchment area is made according to acquired figures from calculations. In the concept of compost was applied the figures from the acquired sources and the data related to the amount of the production of biodegradable waste in Milevsko during the year 2010. In relation to the acquired results was accomplished the economical evaluation of costs and revenues for the compost and its rate of return in the next years. For the city Milevsko is this topic current because this issue is not resolved here at all. The acquired findings from the economical result of the compost concept is summarized in the conclusion of the thesis.
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