{{cite journal | last1=Leiber | first1=F. | author2=S. Ivemeyer | author3=E. Perler | author4=I. Krenmayr | author5=P. Mayer | author6=M. Walkenhorst | year=2015 | title=DETERMINATION OF FAECES PARTICLE PROPORTIONS AS A TOOL FOR THE EVALUATION OF THE INFLUENCE OF FEEDING STRATEGIES ON FIBRE DIGESTION IN DAIRY COWS | journal=Journal of Animal and Plant Sciences | volume=25 | issue=1 | pages=153-159 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-22}}