Ufele lwegusha lulusu lwebhokhwe okanye lwegusha losapho lweBovidae. Ufele lwebhokhwe okanye lwegusha luqulathe amanzi, iprotein, amafutha kunye nezinto ezingaphiliyo, ezi zimbini zokugqibela zincinci kakhulu, isicatshulwa seprotein somaleko we-epidermis ikakhulu yikeratin; iDermis, ikakhulu. i-collagen kunye ne-net hard protein, ukongezelela isenayo iprotein eqinile e-elastic, i-albumin, iglobulin kunye ne-mucin.