Jutland peninsula is made up of the German Bundesland of Schleswig-Holstein. Schleswig-Holstein has two parts: the former duchies of Schleswig (Danish fief) and Holstein (German fief), both of which have passed back and forth between Danish and German rulers several times. The last adjustment of the Danish–German border followed the Schleswig Plebiscites in 1920 and resulted in Denmark's regaining Northern Schleswig ( or more commonly today: "Sønderjylland"). The historical southern border of Jutland are areas south of Kiel, Husum and Rendsburg, but the river Eider was the border between the former duchies of Schleswig and Holstein, as well as the historical
Jutland cattle from the Danish government to keep the breed. Jutland cattle Jutland cattle are a rare Danish breed of cattle used in both dairy and beef production. Bred from the indigenous cattle of Jutland the breed could be light grey, dark grey or black pied with upward curving horns. The first herdbook published in 1881 had a small dairy type and a larger beef type. The dairy cows were small, averaging 120 cm high and weighing 350 kg, producing between 800 and 1000 kg of milk per lactation. In the first half of the 20th century the breed was extensively crossed