益生股份：9月计划引种祖代肉种鸡2.2万套，10月引种计划尚未确定

Group 1 - The company plans to introduce 22,000 sets of grandparent meat chickens in September [1] - The introduction plan for October has not yet been determined by the company [1] - The company is unaware of the timeline for the lifting of import restrictions from the United States and New Zealand [1]