{{cite journal | last1=Brudnicki | first1=A. | author2=R. Szymeczko | author3=M. Bednarczyk | author4=B. Głowińska | author5=D. Pietruszyńska | year=2015 | title=ASSESSMENT OF THE EFFECT OF ALPHA-GALACTOSIDES ON YOLK SAC RESORPTION RATE IN BROILER CHICKENS | journal=Journal of Animal and Plant Sciences | volume=25 | issue=2 | pages=387-391 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2015-JAPS-55}}