Extent and pattern of pregnancy losses and progesterone levels during gestation in Swedish Red and Swedish Holstein dairy cows
Abstract Background Pregnancy loss is a major source of infertility in dairy cows. Despite a fertilization rate after insemination (AI) of approximately 90%, calving rates are 30%–50%, indicating the occurrence of extensive embryonic and foetal losses. The aim of this study was to establish the exte...
Main Authors: | , , |
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Format: | Article |
Language: | English |
Published: |
BMC
2018-10-01
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Series: | Acta Veterinaria Scandinavica |
Subjects: | |
Online Access: | http://link.springer.com/article/10.1186/s13028-018-0420-6 |