Potential of poultry by-product meal as a main protein source in diets formulated for juvenile sobaity (Sparidentex hasta)
Publish place: Iranian Journal of Fisheries Sciences، Vol: 18، Issue: 4
Publish Year: 1398
نوع سند: مقاله ژورنالی
زبان: English
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شناسه ملی سند علمی:
JR_JIFRO-18-4_022
تاریخ نمایه سازی: 27 بهمن 1400
Abstract:
A ۶۰-day feeding trial was conducted to evaluate the potential of using poultry by-product meal (PBM) as a partial replacement for fish meal (FM) in the diets for juvenile sobaity. Six iso-nitrogenous and iso-lipidic diets were formulated to contain graded levels of PBM, at ۰ (as control diet), ۱۵, ۲۵, ۳۵, ۴۵, and ۵۵% of FM replacement. Each diet was fed to groups of ۲۰ juvenile sobaity in triplicate ۳۰۰-L tanks, three times a day to apparent satiation. Survival, feed conversion ratio and efficiency ratio showed that there were no significant differences between fish fed PBM based diets compared to fish fed the reference diet. Growth performance and protein efficiency ratio of fish fed the PBM۱۵ and ۲۵ were higher than in other treatments. The somatic indices, biochemical content of whole body and fillet, hematological factors were not significantly affected by the replacement level of FM with PBM, with the exception of serum cholesterol and triglyceride content. The results of the present study indicated that PBM is a suitable replacement for fish meal in juvenile sobaity diet up to ۵۵% substitution.
Authors
F. Hekmatpour
Department of Fisheries, Khorramshahr University of Marine Science and Technology, Iran
P. Kochanian
Department of Fisheries, Khorramshahr University of Marine Science and Technology, Iran
J. Ghafle Marmmazi
South Iranian Aquaculture Research Center, Ahwaz, Iran
M. Zakeri
Department of Fisheries, Khorramshahr University of Marine Science and Technology, Iran
S.M. Mousavi
Department of Fisheries, Khorramshahr University of Marine Science and Technology, Iran
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