Definition:
Female sheep (of the Ovis species) that have already lambed at least once as well as those which have been put to the ram for the first time and which are kept exclusively or principally to produce milk and also used to produce other products (meat, wool, furs).

Source:

• Regulation (EC) No 1165/2008 of the European Parliament and of the Council of 19 November 2008 concerning livestock and meat statistics and repealing Council Directives 93/23/EEC, 93/24/EEC and 93/25/EEC
  Place of publication: (Dz. Urz. UE L 321 z 01.12.2008, str. 1, z późn. zm.)

High-level terms

• Sheep

Low-level terms:

• Ewes used for other purposes than milk (other ewes)
• Milk ewes (used for milk production purposes)