When its title implies, a Guernsey was bred on the British Channel Island of Guernsey. It descended from either either oxen index brought on top from nearby Normandy, and was foremost recorded as a separate breed around 1700. Inside 1789, imports of foreign cows into Guernsey were forbidden by law to maintain a purity of the breed, although exportation of cattle & ejaculate were awhile an significant economic resource for the island.

By using an typical weight slightly greater than a 900 pounds (450 kilogram) of the Jersey cow, Guernsey cows are little, producing supplementary milk by the unit of system weight than any more breed. Bulls come besides little by standards of farm kine, however may be amazingly aggressive. It might dominate a extra docile Jerseys, whenever unwittingly allowed to mix.

Overseas farmers world health organization favorite maximal quality, immunity to disease & high milk production selected Guernseys; a breed is easily-established in the United States, Canada, and elsewhere.