The genetic parameters of main quantitative traits in White Chengdu Chickens were estimated by half-sib testing.
用半同胞测定法，估测了成都白鸡主要数量性状的遗传参数。
Improvement of muscle growth and meat quality, quantitative traits both controlled by multigenes, is always one of the main goals for livestock genetics and breeding.
肌肉生长与肌肉品质性状的改良一直是家畜育种工作的主要目标之一，二者均属于多基因控制的数量性状。
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