Definition:
Female domestic swine (of the Sus scrofa species) with a live weight of 50 kg or more and that are mated (pregnant) for the first time or next time.

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

• Breeding sows

Low-level terms:

• Sows mated for the first time