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Minimally Invasive Embryo Transfer and Embryo Vitrification at the Optimal Embryo Stage in Rabbit Model
Published on: May 16, 2019
Achieving success in conventional equine embryo transfer: A practical review
D Necchi1, G G Donato2, H Vandaele1
1Keros Embryo Transfer Center, Westrozebekestraat, Passendale, 8980, Belgium.
Journal of Equine Veterinary Science
|June 17, 2026
Summary
Equine embryo transfer enhances horse breeding by maximizing offspring from elite mares. Key factors for success include optimal timing, mare fertility, and recipient care for improved pregnancy rates.
Area of Science:
- Reproductive biology
- Veterinary science
- Equine science
Background:
- Equine embryo transfer is crucial for increasing offspring from valuable mares.
- It enables foals from mares unable to carry pregnancies and facilitates embryo recovery from competing mares.
Purpose of the Study:
- To review the current status of equine embryo transfer.
- To identify key factors influencing success rates in conventional embryo transfer programs.
Main Methods:
- Literature review of equine embryo transfer techniques and outcomes.
- Analysis of factors affecting embryo recovery and pregnancy establishment.
Main Results:
- Embryo recovery success depends on flushing day, insemination management, donor/stallion fertility, donor status, and operator skill.
- Pregnancy rates are influenced by donor-recipient synchrony, embryo quality, transfer technique, and recipient mare characteristics.
Conclusions:
- Optimizing donor-recipient synchrony and mare management are essential for successful equine embryo transfer.
- Understanding and controlling key variables can maximize the efficiency of equine embryo transfer programs.
