There are more lean pork in local pigs, because the fat of local pigs is thicker, and there will be more lean pork cultivated with feed, because people like to eat lean meat now, which is also to meet market demand.

2, pigskin color

The pigskin color of local pigs is different from that of feed. The pigskin color of local pork is white, sometimes feed pork will be white, and the whiter is local pork.

Step 3 smell it

Most of the local pork is free-range, and the feed is caged, so the taste of feed pork is heavy, and it is difficult to remove the fishy smell when cooking. You can distinguish the two kinds of meat by smelling them.

Step 4 touch touch

Local pork is tough, feels a little sticky when smeared, and the pigs raised in feed are poor in willfulness. The lean meat of local pigs feels elastic, while the lean meat of lean pigs is slightly less elastic, and the back fat feels softer.

5. Fat-thin ratio

The fat (subcortical fat) of local pigs is thicker, about three or four fingers thick, and the proportion of fat meat is higher than that of lean pigs, while lean pigs have less fat meat.

Refer to the above? Baidu encyclopedia-pork