As WPI reported last Thursday, the number of breeding sows on 1 March was 6.016 million head, down 2 percent from year ago levels. Part of that reduction is being offset by continued records in pigs per little, which in the December to February quarter reached 11.53 head.   Herd culling in China is moving either faster, or slower depending on the point of view.  According to the Ministry of Agriculture and Rural Affairs (MARA), the Chinese sow herd on 1 March was down 6.9 percent from a year ago, but at 40.4 million sows, was still well above MARA’s target range of 39 million head. Most in the trade project that level will still keep the hog sector in surplus; MARA indicated that it will not intervene in the market unt...