Table 2.

Trade statistics for the wholesale live pig markets in Guangdong in 2016

Market	Month	Number of batches	Total number of pigs	Average batch size ± SD	Number of recorded pig pens	Averaged daily trade volume (head) ± SD	Number of supply counties
1	January	3,838	221,293	58 ± 33	96	7,138 ± 1,506	65
1	June	2,376	184,577	78 ± 24	4*	6,153 ± 3,425	89
2	January	503	31,638	63 ± 33	1*	1,021 ± 121	22
2	June	491	34,367	70 ± 17	1*	1,146 ± 154	41
3	January	1,515	126,112	83 ± 11	53	4,068 ± 282	38
3	June	1,357	112,175	83 ± 17	51	3,739 ± 286	54
4	January	2,145	125,527	59 ± 22	79	4,049 ± 661	36
4	June	1,893	111,196	59 ± 23	85	3,707 ± 444	48
Total		14,118	946,885	67 ± 24	–	–	151

^*Most data in this month did not include a record of the pen code. For the other unmarked numbers, the number of recorded pig pens was the number of pens in operation in that market during the respective month.