英语语法分析

Notices find pig: I lost purebred Landrace small.

寻猪启事：本人丢失纯种小白猪一只。

The modern varieties were divided into 10 regions, the landrace into 28 sub-regions.

地方品种按亚区分为28组，选育品种按大区分为10组。

Landrace sow was culled out after 8 farrowing, in order to increase producing profit.

建议长白母猪在产完8胎后立即淘汰，以提高生产效益。