The aim of the diploma thesis was to analyze the effect of selected factors on the length of pregnancy in Holstein breed. The length of pregnancy was significantly influenced by the year and month of conception. Also, the parity, sex of the born calf and the birth of live or dead calf had a significant impact. In addition, the year and month of birth of calves and twins were significant. The results show that the length of pregnancy in pregnancy can be affected by a number of factors.
| Identifer | oai:union.ndltd.org:nusl.cz/oai:invenio.nusl.cz:430358 |
| Date | January 2017 |
| Creators | Rozehnalová, Zuzana |
| Source Sets | Czech ETDs |
| Language | Czech |
| Detected Language | English |
| Type | info:eu-repo/semantics/masterThesis |
| Rights | info:eu-repo/semantics/restrictedAccess |
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