{{cite journal | last1=Ali | first1=M. | author2=M. Sharif | author3=J. I. Sultan | author4=S. Rehman | author5=K. Farooq | author6=M. L. Khan | year=2012 | title=INFLUENCE OF VARYING LEVELS OF BERGAFAT ON PERFORMANCE OF BROILER CHICKS | journal=Journal of Animal and Plant Sciences | volume=22 | issue=4 | pages=853-856 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2012-JAPS-404}}