选38周龄隐性白羽鸡608只，分成四组，分别饲喂四种不同蛋白水平的日粮，进行63天饲养试验。
Divided into four groups according to different crude protein (CP) levels, 608 Hidden white -feather breeding hen at 38 week were feed for 63 days.
在损伤后2周或6周处死试验动物，分析肌肉的重量，横截面积，肌球蛋白纤维类型组成和脂肪含量。
Animals were killed at two or six weeks after injury, and the muscles were analyzed for weight, cross-sectional area, myosin fiber-type composition, and fat content.
方法观察367名接种卡介苗后满12周儿童卡痕形成情况，并对其纯蛋白衍生物试验阳转结果进行分析。
Methods To observe the scar shapes of 367 infants aged 12 weeks after BCG vaccination and to analyze the purified protein derivative seroconversion results.
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