Determination of tryptophan requirements for juvenile silver catfish (Rhamdia quelen) and its effects on growth performance, plasma and hepatic metabolites and digestive enzymes activity
Keywords: aa، اسید آمینه; Trp, tryptophan; AA, amino acid; EAAs, essential amino acids; FBW, final body weight; WGR, weight gain relative; FE, feed efficiency; FCR, feed conversion; SGR, specific growth rate; VFI, visceral fat index; HSI, hepato-somatic index; DSI, digestive-somat