Another important by-product from tilapia farming is collagen collected from the inside of the fish skins; European countries moved away from the collagen from mammals due to fears of mad cow disease, according to a 2008 report by the University of Arizona.
Xin'wana xa nkoka lexi endliwaka kusuka eka tilapia i collagen leyi kumekaka kusuka endzeni ka nhlonge ya tihlampfi; matiko yale Europe avaha tirhisi collagen kusuka eka swihadyani leswi mamisaka hiku chaviwa ka mavabyi ya mad cow, kuya hi xiviko xa 2008 xale University of Arizona.