Abstract
Use of equine pituitary extract (EPE) in low doses to induce double ovulation in mares
Highlights
Equine reproduction biotechnologies have presented great progress in the last decades
Embryo transfers (E.T) in horses has been the main resource in order to improve genetic gain in equine
Embryo recovery number by cycle was higher in the treated group 11/8 than in the control group (6/8), but no difference between groups (p=0.0588)
Summary
Equine reproduction biotechnologies have presented great progress in the last decades. Embryo transfers (E.T) in horses has been the main resource in order to improve genetic gain in equine. The induction of multiple ovulations has been a resource increasing the number of embryos produced. According to Squires et al (2003) in mares that presenting natural ovulation, embryos recovery is around 50% for ovulation. Embryos recovery is higher in mares spontaneously presenting two or three ovulations. The number of embryos recovered for each ovulation in mares induced to multiple ovulations has still been low and close
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