PURPOSE: Chicken fed on silver powder, a breeding method thereof, and eggs containing silver powder are provided to improve the palatability for eggs and the quality of the chicken using the effect of silver. CONSTITUTION: A breeding method of chicken fed on silver powder comprises the following steps: mixing a feed and silver powder in a weight ratio of 99:1~95:5; and feeding the chicken with the obtained mixed feed. The silver powder is produced by crushing 99% pure silver obtained by heating regular silver at 700~900deg C into 0.04~0.08mm.본 발명은 일반 사료에 법제한 은가루를 혼합한 혼합 사료로 사육되고, 상기 은의 효능으로 인해 건강하고 깃털이 윤기가 있으며 육질이 좋은 은 닭 및 그 사육 방법에 관한 것이다. 또한 본 발명은 상기 은 닭으로부터 생산된 은란에 관한 것이다.