{{cite journal | last1=Cai | first1=Yunce | author2=Shengchang Chen | author3=Jingshang Li | author4=Xiaoluo Lu | author5=Shengyong lu | author6=Haixia Li | author7=Yan Zhang | year=2024 | title=Effects of Crude Protein Levels on Growth Performance, Nitrogen Balance, Digestibility and Crude Protein Requirement of Growing Fuxing Pig | journal=Journal of Animal and Plant Sciences | volume=34 | issue=2 | pages=318-324 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2022-JAPS-160}}