the average rate of eggshell and the eggshell thickness of different parts of 56 eggs choosing randomly were determined.
在农户散放饲养的鹅中随机收集56枚鹅蛋,对鹅蛋的蛋壳重占总蛋重的比例和不同部位蛋壳厚度进行测定。
compared with the control group, test group significantly improved in the albumen height, yolk color, haugh unit, eggshell thickness and eggshell strength (p0.05).