Fatty acid chromatogram of the standards (A) and semen seminal plasma of Rainbow trout (B) and Brown trout (C) with GC-FID. 1- C4:0, 2- C6:0, 3- C8:0, 4- C10:0, 5- C11:0, 6- C12:0, 7- C13:0, 8- C14:0, 9- C14:1, 10- C15:0, 11- C15:1, 12- C16:0, 13- C16:1, 14- C17:0, 15- C17:1, 16- C18:0, 17- C18:1n9t, 18- C18:1n9c, 19- C18:2n6t, 20- C18:2n6c, 21- C20:0, 22- C18:3n6, 23- C20:1, 24- C18:3n3, 25- C21:0, 26- C20:2, 27- C22:0, 28- C20:3n6, 29- C22:1n9, 30- C20:3n6, 31- C23:0, 32- C20:4n6, 33- C22:2, 34- C24:0, 35- C20:5n3 (EPA), 36- C24:1, 37- C22:6n3 (DHA).