Caslicks is an operation to partially suture together the lips of the vulva. Caslicks are used to prevent fecal contamination problems in mares that have abnormal vulva conformation. Mares that have a Caslicks must have the lips of the vulva opened at least 30 days prior to foaling.
See Management of the Pregnant Mare for more information.
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This work is supported by the USDA National Institute of Food and Agriculture, New Technologies for Ag Extension project.