No L 56/30 Official Journal of the European Communities 2.3.91 COMMISSION DECISION of 1 March 1991 concerning certain protection measures relating to a new pig disease (91/109/EEC) THE COMMISSION OF THE EUROPEAN COMMUNITIES, Having regard to the Treaty establishing the European Economic Community, Having regard - to Council Directive 90/425/EEC of 26 June 1990 concerning veterinary and zootechnical checks applicable in intra-Community trade in certain live animals and products with a view to the completion of the internal market('), and in particular Article 10 thereof, Whereas several disease outbreaks caused apparently by an infectious but not characterized agent have occurred in pigs in certain parts of the Federal Republic of Germany and the Netherlands; Whereas the disease for the time being has been con- sidered as a new disease which results in unusual numbers of abortions or premature farrowings in sows and deaths and weakness in young piglets which cannot otherwise be attributed to a known disease ; Whereas abortion is considered as the observed produc- tion of foetuses between service and up to and including the 109th day of pregnancy, and where none of the foetuses survive more than 24 hours; Whereas premature farrowing is considered as the observed production of foetuses before the 110th day of pregnancy, but where some piglets survive for more than 24 hours; Whereas it cannot be excluded that the disease has the potential for rapid spread ; ’ Whereas the disease is likely to constitute a hazard to pig production ; Whereas on this condition it is necessary, as a first action, to avoid the spread of the disease ; whereas the prohibi- tion of the movements of pigs from farms where the disease has appeared and areas which are in particular affected should contribute to this aim; Whereas the authorities of the Federal Republic of Germany and the Netherlands have engaged themselves to implement national measures that are necessary to guarantee the efficient implemenation of this Decision when pigs are sent to other Member States; Whereas since the new disease of pigs constitutes a serious hazard to animals, within the meaning of Article () OJ No L 224, 18. 8. 1990, p. 29. 10 (1) of Directive 90/425/EEC, it is necessary for Member States to present a report to the Commission on abortions and premature farrowings in sows and on arran- gements made to obtain information on the occurrence of a pig disease which may cause unusual numbers of abor- tions and premature farrowings in sows; Whereas the authorities of the Federal Republic of Germany and the Netherlands have engaged themselves to implement national measures, based on national legis- lation established by transposing Article 9 of Council Directive 64/432/EEC of 26 June 1964 on animal health problems affecting intra-Community trade in bovine animals and swine (), as last amended by Directive 90/425/EEC, that are necessary to guarantee the efficient implementation of this Decision when pigs are sent to other Member States ; Whereas the measures provided for in this Decision are in accordance with the opinion of the Standing Veterinary Committee, HAS ADOPTED THIS DECISION : Article 1 The Member States shall not send to other Member States pigs originating from a herd where unusual numbers of abortions or premature farrowings in sows and death and weakness in young piglets, not attributable to known diseases, have been observed within the previous eight weeks. . Article 2 1.  Without prejudice to Article 1 breeding and produc- tion pigs sent from the Federal Republic of Germany and the Netherlands to other Member States after 4 March 1991 shall comply with the conditions referred to in para- graph 2. 2. The breeding and production pigs shall : (a) originate from a herd where no unusual numbers of abortions or premature farrowings in sows and death and weakness in young piglets have been observed within the eight weeks before the date of certification ; () OJ No 121, 29. 7. 1964, p. 1977/64.