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.
Omunye umkhiqizo obalulekile ovela ku-tilapia ukulima i-collagen eqoqwe ngaphakathi ngaphakathi kwezikhumba zezinhlanzi; amazwe aseYurophu asuka ku-collagen ezilwaneni ezincelisayo ngenxa yokwesaba kwesifo sezinkomo, ngokusho kombiko we-2008 we-University of Arizona.