Study on Early Abortions in Heifers Induced by Cloprostenol
Author Information
Author(s): Lobago Fikre, Gustafsson Hans, Bekana Merga, Beckers Jean-François, Kindahl Hans
Primary Institution: Swedish University of Agricultural Sciences
Hypothesis
What are the clinical features and hormonal profiles associated with cloprostenol-induced early abortions in heifers?
Conclusion
The study found that after cloprostenol-induced fetal death, the plasma concentration of bPAG1 decreased gradually, varying with the stages of pregnancy.
Supporting Evidence
- Foetal heartbeat rates varied from 170–186 beats per minute before treatment.
- Foetal death was confirmed within two days after cloprostenol treatment.
- Plasma levels of bPAG1 decreased gradually after foetal expulsion.
- The estimated half-life of bPAG1 was 1.8 – 6.6 days.
Takeaway
The study looked at how a drug called cloprostenol affects pregnant cows and found that it can cause early abortions, which changes the levels of certain hormones in their blood.
Methodology
Four heifers were treated with cloprostenol to induce early abortions, and their blood was analyzed for hormone levels before and after treatment.
Limitations
The study involved a small sample size of only four heifers.
Participant Demographics
Four Swedish Red and White Breed heifers, aged 21 to 24 months.
Digital Object Identifier (DOI)
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