The Zwartbles is a breed of domestic sheep originating in the Friesland region of the north Netherlands.

The dense fleece ranges from black to brown with sun bleached tips, some silvering may be present in older animals.

Zwartbles are known for being docile, friendly, easy lambing, prolific, milky and being excellent mothers.

Being from a cold, wet, windy area of the Netherlands, the breed has easily adapted to the UK climate and can thrive at various altitudes.

In the UK, Zwartbles rams are also crossed with ewes of other breeds to produce butchers lambs.