市场消息：由于感染规模缩小，美国禽流感应急响应结束。

Core Insights - The emergency response to avian influenza in the United States has been concluded due to a reduction in the scale of infections [1] Industry Summary - The decision to end the emergency response indicates a significant decrease in avian influenza cases, which may lead to stabilization in the poultry market [1] - This development could potentially impact poultry prices and supply chains positively, as the industry moves towards normal operations [1]