Council Directive 88/661/EEC of 19 December 1988 on the zootechnical standards applicable to breeding animals of the porcine species (OJ L 382, 31.12.1988, p. 36).
Treoir 88/661/CEEE ón gComhairle an 19 Nollaig maidir leis na coinníollacha zóiteicniúla is infheidhme maidir seamhan ainmhithe den speiceas mucúil (IO L 382, 31.12.1988, lch. 36).