| 摘要 |
A ruminant feed additive composition is produced by mixing amino acid, oily binder, and water; and extrusion-granulating this mixture at molten temperature of the binder, or mixing amino acid and oily binder, feeding the mixture to extrusion granulate at molten temperature of binder, drying resulting particles, and coating surface of dry particles with oily coating agent to form particles having porosity of =20%. |
