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回答：雏鸡：玉米59.4%，麦麸3%，豆粕28%，磷酸氢钙1.3%，石粉8%，食盐0.3%。育成期：玉米62.4%，麦麸14%，豆粕21%，磷酸氢钙1.2%，石粉1.1%，食盐0.3%。产蛋期：玉米63%，麦麸3.2%，豆粕31%，磷酸氢钙1.3%，石粉1.2%，食盐0.3%。
