Commission Decision 89/506/EEC of 18 July 1989 laying down the certificate of hybrid breeding pigs, their semen, ova and embryos (OJ L 247, 23.8.1989, p. 34).
Cinneadh 89/506/CEE ón gCoimisiún an 18 Iúil 1989 lena leagtar síos an deimhniú do mhuca pórúcháin hibrideacha, a gcuid seamhain, ubhán agus suthanna (IO L 247, 23.8.1989, lch. 34).