Popis: |
The bachelor's thesis on the topic "analysis of selected effects on the reproduction of dairy cows in a selected herd of Czech spotted cattle" was prepared in the company JASANKA, s.r.o. In the literature review, the author first describes the importance of cattle in general, then focuses on Czech spotted cattle. In the next part, which focuses on the reproduction of cattle, the author describes the female reproductive system, the reproductive period from fertilization to childbirth, selected fertility indicators and also the effects that affect the indicators. In the chapters of own work, she analyzes the monitored data, which she collected for a period of two years. She focuses on the effect of performance on reproductive indicators from data from ninety randomly selected dairy cows. Furthermore, she focuses on the influence of the father on fertility indicators. Here she selected three proven bulls used by the company and evaluated data from another ninety dairy cows. As the monitored dairy cows migrated during the analysis, it also included the effect of housing on fertility. |