China bristle different areas can be divided into north-bristle, Qingdao bristle, bristle Hankow and Shanghai bristle, bristle Chongqing, Tianjin and Inner Mongolia bristle bristle, and other categories. In addition, also according to color, the nature of the season, and other categories. Bristle by the quality of the natural environment, climate and the impact of a great variety. If the soil of pig bristles long, tough rough, better than the improvement of bristle pig; moderate climate zones due to bristle wear-resistant and resilient than the hot zone. Diet rich in inorganic salts, the better the quality of bristle. |
