Glock’s Zaranza, one of Gerco Schröder’s best horses had to undergo surgery due to a colic last week. In the last days, the 12-year-old KWPN stallion fought for his life, so hellojumpers.com reported. Now he is supposed to be on his way to recovery. He is back at his home stable. His comeback to the sport, however, will still take a while. This year the pair received top placements in numerous five-star competitions.