Table 3.

Distribution of batches and pigs based on season and year.

Cluster (Distance)	1 (11–37 km)	2 (38–86 km)	3 (89–170 km)	4 (199–276 km)
Season
Winter
No. of batches	384	200	103	172
No. of pigs	47,765	24,581	12,881	21,759
Spring
No. of batches	401	266	87	190
No. of pigs	49,563	31,662	10,842	24,181
Summer
No. of batches	415	256	71	176
No. of pigs	50,496	30,659	8,458	22,608
Autumn
No. of batches	373	268	86	202
No. of pigs	47,772	32,311	10,373	25,048
Year
2012
No. of batches	780	433	202	373
No. of pigs	96,406	52,193	26,148	46,808
2013
No. of batches	793	557	145	367
No. of pigs	99,190	67,020	16,406	46,824