{{cite journal | last1=Olechnowicz | first1=J. | author2=P. Kneblewski | author3=J. M. Jaśkowski | author4=J. Włodarek | year=2016 | title=EFFECT OF SELECTED FACTORS ON LONGEVITY IN CATTLE: A REVIEW | journal=Journal of Animal and Plant Sciences | volume=26 | issue=6 | pages=1533-1541 | issn=1018-7081 | eissn=2309-8694 | publisher=Pakistan Agricultural Scientists Forum | url=https://thejaps.org.pk/AbstractView.aspx?mid=2016-JAPS-202}}