The aimof the present studywas to elucidate the effects of increasing
the lipid levels of the pejerrey juveniles feeds on the growth performance,
body composition and digestive enzymes activities. This work
complements additional studies focused on the response of the GH/IGF
system and muscle growth biomarkers in fish subjected to the same dietary
treatments (P. Gómez-Requeni and L.F. Canosa, unpublished data).
To address these issues,we developed a small-scale experiment in which
pejerrey juveniles were fed with formulated isoproteic diets (approx.