Council Directive 88/661/EEC on the zootechnical standards applicable to breeding animals of the porcine species.

Member States may not prohibit, restrict or impede on zootechnical grounds intra-Community trade in pure-bred breeding pigs or in their semen, ova and embryos, the establishment of herd-books, provided that they meet the conditions laid down pursuant to article 6, the official approval of breeders' associations or breeding organizations, which establish or maintain herd-books. Breeders' associations, which are officially approved by a Member State or the official service of a Member State, may not oppose the entry in their herd-books of pure-bred breeding pigs from other Member States. Member States may require pure-bred breeding pigs and the semen, ova and embryos of such animals to be accompanied at the time of their marketing by certificates. Chapter III lays down the rules governing intra-Community trade in hybrid breeding pigs. (14 articles)