结论之一
The results of this study indicate that the cGH gene is associated with body weight and ADG in almost all recorded periods
原文： https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4647076/
另一研究给出相似结论
Collectively, these findings suggested that the growth rate is linked to the hormone and myogenic gene expression levels in broiler chickens. Some of these parameters such as serum concentrations of IGF-1 and T3 could be employed to breed for enhanced growth.
https://link.springer.com/content/pdf/10.1186/s40104-017-0170-8.pdf
