Taurus breeding was initiated in Lille Vildmose Nature Reserve under the name Projekt Urokse ("Project Aurochs").Projekt Urokse – A pilot project from Lille Vildmose National Park pdf. The Amt of Northern Jutland. 2005. Retrieved 26 November 2013. The founding herd consisted of one Chianina × Heck bull, four Heck cows and one Sayaguesa × Heck cow, and in 2009 three Sayaguesa bulls were added; by 2010 the herd had grown to 56 individuals.Uffe Gjøl Sørensen: Vildokserne ved Lille Vildmose 2003–2010. Status rapport med anbefalinger til projektets forvaltning. (Archived version.) København: UG Sørensen Consult, 2010. Retrieved 26 November 2013.
