The first three months will be the most important since this corresponds with the period when the young pigs present in the November survey arrive to the slaughterhouse. A sharp decrease was observed for this period in 2009 compared to 2008 (-8.7%), and this fact will have repercussions on production during the first three months of 2010.
(Original in French. Read Google translation here).
http://agreste.agriculture.gouv.fr/IMG/pdf_porcin1003note_.pdf