{{cite journal | last1=Ghazanfar | first1=S. | author2=M. I. Anjum | author3=A. Azim | author4=I. Ahmed | year=2015 | title=EFFECTS OF DIETARY SUPPLEMENTATION OF YEAST (SACCHAROMYCES CEREVISIAE) CULTURE ON GROWTH PERFORMANCE, BLOOD PARAMETERS, NUTRIENT DIGESTIBILITY AND FECAL FLORA OF DAIRY HEIFERS | journal=Journal of Animal and Plant Sciences | volume=25 | issue=1 | pages=53-59 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-08}}