摘要
Looking at the size of the breakdown of the inventory fbr September 2011-breeding stock was around 48.1 million and total on farm inventory was around 465.57 million （as compared to August at 47.86 million and total on farm inventory was about 461.42 million. This also shows growth since May 2011 - breeding stock was around 47.1 million and total on farm inventory wasabout 453 million heads）. The 465.57 million heads for September is up 5.38 percent from last year while the September sow inventory is up 5.13 percent from last year （year on year）. Sow inventory had increased in September 2010, but decreased through October and November,
