This Regulation prescribes the types of livestock and defines the necessary methods for use of mixed seed from the same type of livestock. Mixed seed from the same species of livestock can only be used from the pig (or swine) species. Mixed seed of the same type of livestock is used if meeting the specific criteria listed in article 2. This text also indicates the reference EU Council Directives and associated legislative documents as for standards defined in article 2 (see end of the text).