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Varroóza a možnosti jejího tlumení organickými kyselinami
 Moravová, Pavlína
The diploma thesis was focused on the possibility to control Varroa destructor in honeybees by using natural varroacides. In the literary section were processed findings about drugs and in the practical part there were described and evaluated the results. During the experiment the effectiveness of formic acid and fluvalinate and effectiveness of oxalic acid and amitraz were compared. Statistical evaluation of results has found that formic acid reached 78,6% efficiency, and oxalic acid on average, 93,8% efficiency, and this efficiency was equal or statistically insignificantly slightly higher compared to synthetic alternatives. Any negative effects of organic acids on the status and development of colonies were observed. Experiment results are particularly important for the treatment of resistant populations of mites and prevent cumulative acaricides residues in bee products.
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Faktory ovlivňující délku březosti Českého teplokrevníka
 Moravová, Pavlína
The bachelor thesis was focused on the determination of factors influencing the length of gestation in mares. It was examined several factors that were evaluated: mating period within the breeding season, mares age, gender of foal, year of breeding and whether foals were alive or dead. Dates were analyzed using statistical programs Unistat and SAS.The length of gestation in mares was influenced by the month in which the mares became pregnant and by the sex of newborn foals. Furthermore, the evaluation of the number of foals born in each month and the influence of age and month of foaling mares on the sex of foals were observed. The analyzed data showed that the length of gestation of mares is affected by a number of factors, many of them are not fully understood yet. A knowledge of these factors is especially important for the determination of precise date of birth.
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1 Moravová, Petra
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