Friesian mares have a very high 54% rate of retained placenta after foaling. For safety and monitoring, Mares may be separated from a herd prior to foaling. Mares begin foaling in May and continue throughout the summer. Genuine Risk, however, delivered a stillborn colt due to dystocia during foaling. A wry nose may cause difficulty during foaling (dystocia). The mare Bukra, too near foaling to travel, was shot on Wilfred's orders. Indyan Giving died due to colic just three months after foaling Game Winner. On February 10, 2017, it was announced that she had died due to foaling complications. On February 10, 2017 it was announced that Royal Delta died due to foaling complications. She died on 2 March 2009 as a complication of foaling. She had already produced two stakes winners before foaling Classic Empire. After her foaling days had ended, La Troienne lived out her life in comfort. Endotoxic laminitis (e.g. after foaling) tends to be more difficult to treat.