Monitorování pohlavní aktivity mléčného skotu
Autor: | Hrochová, Kateřina |
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Jazyk: | čeština |
Rok vydání: | 2017 |
Předmět: | |
Druh dokumentu: | masterThesis |
Popis: | The aim of this diploma thesis was to analyze the symptoms of estrus in cows conceived at various seasons. The study was performed in 301 breeds of Holstein cattle. There was a significant increase in step frequency, a decrease in the total lying time, the resting period and the proportion of the lying time. For deeper understanding, longer-term monitoring of this issue is required. |
Databáze: | Networked Digital Library of Theses & Dissertations |
Externí odkaz: |