Jutta Sielhorst, Sophie Baade, Kim-Carolin Neudeck, Anna Tönissen, Karl Rohn, Fiona Hollinshead, Harald Sieme
BACKGROUND: Transvaginal ultrasound-guided aspiration (TUA) is used for post-fixation twin reduction in mares. However, there is limited information regarding factors that influence pregnancy outcome after TUA. OBJECTIVES: To evaluate the effect of day of gestation on which TUA is performed, aspiration volume, puncture of the conceptus, medication administered before and after TUA, embryo location, mare age and parity and operator experience on pregnancy and foaling rates after TUA...
February 14, 2024: Equine Veterinary Journal