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National Repository of Grey Literature 2 records found  Search took 0.01 seconds. 
Vybrané vlivy na mléčnou užitkovost dojnic
 MICHÁLKOVÁ SUDOVÁ, Klára
The diploma thesis deals with the evaluation of selected effects on the milk yield of dairy cows of the monitored herd of Holstein cattle. Evaluation and data collection It took place in the Miller farm in Svrkyně. The performance control data were subsequently processed and statistically evaluated.
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Analýza vybraných vlivů na mléčnou užitkovost a plodnost u stáda českého strakatého skotu
 KROPÁČEK, Roman
The analysis of selected effects on milk yield and fertility in a herd of Czech spotted cattle deals with some effects observed on the basis of milk yield control data. The observed values are performance for standardized lactation, fat and protein content in milk, length of interval, service period and insemination interval. The age at first calving and its effect on milk yield as last factor. In period 2016 - 2018 are compared diary cows in their first three lactations. In the first part of the Bachelor thesis the history is processed and brief description of Czech spotted cattle. The following chapters deal with milk yield and fertility and selected factors mentioned above. The experimental part of the work presents the company where the observation was performed. The results are evaluated and presented into tables and graphs and then compared with the national results and according to the available literature.
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