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This master work was focused on fermentation of a grape wine must and production of volatile acids by yeast. Work in theoretical part deals with assimilation substances available for yeast with focus on a nitrogen compounds. Its content's in grape must and impact on a fermentation process. Furthermore, the work described in the possibility of creation of acetic acid and the possibility of its elimination from the must and wine. At the end of the theoretical section lists the types of yeast nutrition with a detailed description and uses. The practical part is focused on experiments conducted on Faculty of Horticulture, Mendel University. The experiment was composed of 10 variants, and each variant was used by another dose of a different kind of nutrition. Progress has been observed to form acetic acid and decrease the assimilation of substances. Of all the variants was the most different option 0 for which he was also a different view changes assimilable nitrogen

There are many external and internal factors which influence the quality and yields of vegetables. Counted among the external factors is nutrition and fertilisation which are an integral part of growing technologies. Without sufficient and balanced supply of acceptable nutrients the plants are not capable of achieving high quality and yields. Among the essential nutrients we also count micro biogenic elements. Although vegetables require only small amounts, their importance is equal to nitrogen, phosphorus, potassium and other macro elements. The first part of the bachelor dissertation thesis maps the present information about the importance of some micro nutrients (B, Zn, Mo) in the nutrition of vegetables. In a two-year vegetation experiment we explored the effect of foliar applications of some micro elements on their content in radish plants and on the yields of the edible part of this root vegetable. The experiment was established as a pot experiment in soil culture. During vegetation we applied the nutrients at graded rates. The effect of the foliar application was evaluated on the basis of analyses of the plant mass and yield parameters. The results showed that foliar nutrition with micro nutrients increased their contents namely in the leaves, but also in the radish roots. Fertilisation had a significant effect on the yields of whole plants in a similar way as on the edible roots. Supplementary fertilisation with the micro nutrients increased roots yields by 7,0 to 46%. Zinc at a rate equal to an application of 700 g Zn.ha-1 had a statistically significant effect on the production of radish roots. Radish yields increased significantly also after the application of molybdenum at a rate equal to 62.5 g Mo.ha-1.

This thesis on the theme Possibilities dried grained dung utilization and other organic dungs in nursery production was elaborated in phase 2006 -- 2008 in The Department of Breeding and Propagation of Horticultural Plants on Mendel University of Agriculture and Forestry in Brno. Using of organic dungs is necessary at rising soil fertility because the main component of these dungs form organic materials of vegetable and animal origin. Their main advantage is their rise and regeneration of humus support and positive action on soil structure, water and air mode in soil. Their disadvantage is their big volume and due to that the recommended doses for plant fortilization are too high. We can use, as alternative this disadvantage in comparision with mineral dungs, grained organic materials. Granules are dried to low volume mass and they have higher content of nutrients. This form facilitates not only their aplication ,but also manipulation with them. The organic dungs are necessary component of fortilization, how it results from cited experiment, not only for their nutrition quality and contnent humus materials, that have specifically effect to plant grow and progress, but also for their ability to give support to better utilization of nutrients from industry dungs. Dosage depends on demands for individual plants. Here is one parameter, that is impossible omit in the first place at containered plants, and that is possible plant damage by lack of water. The producers emphasise importance of watering because water is utilized for dried dungs dissociation. Single-shot utilization of high batch can to cause other damage. We can predate to these dangers by help of automated watering and single batch of dungs partition. Dictum on dungs utilization will always stay on growers.

This thesis discusses the use and effectiveness of fertilizers VIVE series of viticulture. For the experiment were selected white grape variety Chardonnay. This work includes four variants. Option 1 is the control and treatment without fertilizer. In Option 2 was used VIVE Super NPK fertilizer, in Option 3 it was fertilizer VIVE Super Ligno. In Option 4 was again used fertilizer VIVE Super NPK + wetting agent VIVE Wet and last option 5, it was fertilizer VIVE Ligno Super + wetting agent VIVE Wet. These variants were applied in the same terms and 28 days and 14 days before flowering. Then again 14 and 28 days after flowering. Comparison of all variants were performed on the base uvology and analytical values. Of uvology values measured weight of grapes from one bush, the weight of one grape, berry weight and 50 berries, and then even the weight of stem. The main indicators were selected analytical sugar content, acidity pH and assimilable nitrogen. Further analyzes were also performed sheets after the application of fertilizers. Results showed differences in nutrient content in the dry leaves between experimental and control variants fertilized variant. The best results in terms of nutrition were achieved in variants which used fertilizer VIVE Ligno Super Series. Compared with the control variant significantly increased the contents of macronutrients (+43,1%), secondary nutrients (78.4%) and micronutrients (+38.8%). It was demonstrated that the use of fertilizers to increase the yield of grapevine and reduced acidity. Achieving higher sugar after application of fertilizer series VIVE in this work confirmed, however, the yield increased. Preparations had a significant influence on the content of assimilable nitrogen, which is very important during fermentation must. Health status of grapes was good, which appeared in the analytical evaluation of pH, which is for all variants ranged from 3.16 to 3.21, but due to bad weather development was necessary to harvest crops early.

In this thesis was the biggest focus on nutrition in rearing lambs after very early weaning on particular existing ecologic farm in the Spiš region on Slovakia. This thesis was focused on assessing the difference and suitability between two organic granular compound feed (starter), which were made to order. Feeding mixtures consisted of a different representation of the same components, where the experimental feed had higher nitrogen substances (NL). To confirm this difference was conducted chemical analysis. In that year 80 lambs were weighed, and they were divided into two groups since 06.02.2014 to 23.05.2014. The average age of lambs after attempt was 104 days. The measured values were subjected to statistical evaluation of weight, weight gain and daily gain during the test, weighing and period of weaning from milk. Lambs achieved during the test total increase of weight gain in the experimental group 17.9 +- 0.252 kg and 20.75 +- 0.775. Average daily weight gain by the end of the experiment was 0.17 kg in the experimental group and 0.202 kg in the control. Their growth (y) was expressed by two regression equations for test y = - 0.0002x2 + 0.1923x + 2.6564 (R2 = 0.998) and control group y = - 0.00012x2 + 0.2139x + 2.5567 (R2 = 0.999). Our results show demonstrable differences between lambs fed with different feed mixture. In the control group EKO BK3 with the original compound feed had lambs all results better than the experimental group ECO START OVIS, despite the higher content of nitrogen substances in compound feed.

The subject of this final thesis is Nutrition of the race horses. The first part deals with a digestive tract, nutrients and different kinds of feed. It also mentions a body condition score and importance of zinc for organism. Next part of the thesis focuses on the observation of zinc levels in hoof horn dry basis and horsehair with chosen horses. The experiment contained twelve horses of different ages all of them were Czech warmblood. The levels of zinc in hoof horn were statistically provable (P<0,05). The levels of zinc in horsehair dry basis, on the other hand, were not statistically provable (P>0,05).

The aim ofthis study was todetermine effect ofpurple wheatKoniniwith a higher contentof anthocyanins(14.01mg /g) in grainincluded infeed ratiofor fattening male broilers of hybridcombinationsCobb 500. The effectonfeed consumption, weight gain and carcass yield were evaluated. The content of purple wheat Konini in experimentaldiet was78%, 0%, 50%, 26% and 52% which was compared to control wheat, whose content was also 78%, 0%, 50%, 26% and 52%. Nitrogen compounds in the control wheat were topping using gluten. The highest feed consumption and the highest average weight gains were a group of 5 that contained the color of wheat Konini 2/3 and 1/3 controls wheat. 100% wheat feeding horsemeat statistics had no significant effect on weight gain, feed consumption or carcass yield.

The main objective of my work was to draw attention to nutritional aspects in the formation of cavities. The thesis focuses on foods that have a proven or potential impact on tooth decay, especially saccharides. The target group consisted of 100 patients registered at the same dental office. All participants filled out a simple questionnaire that included 19 questions on not only their eating habits, but also their oral hygiene. All respondents were assigned a KPE index value, which quantifies tooth decay, according to their health records. All data was processed, compared and analyzed in Microsoft Excel, 2007. The results show that respondents who consume sweets one time and more per day show higher tooth decay (KPE 16.58) than those who consume sweets less than one time per day (KPE 9.41). A similar situation exists for the consumption of soft drinks, where drinking at least one per day is associated with a significantly higher average of KPE (16.30) than in people who indulge less in sweetened beverages (KPE 12.87). Respondents who did not sweeten their coffee, tea or other beverages and foods are much less affected by cavities (KPE 11.07) than those who sweeten them only sometimes or all the time (KPE 16.27). A major link between consuming fruits and fruit drinks and the formation of carious lesions was not detected. The data points to a connection between the intake of simple saccharides and higher tooth decay. Also demonstrable was the connection between a healthy lifestyle (frequent consumption of vegetables, eating fast food sporadically, the absence of sugary drinks and sweets) and lower incidence of cavities. A significant role is likewise played by socioeconomic factors (such as education) and, of course, the emphasis on preventing dental problems, meaning regular dental checkups, the proper technique for cleaning teeth, and good choice of dental aids.