Iris Publishers - World Journal of Agriculture and Soil Science (WJASS)
Utilization of Raw, Dehullled,
Autoclaved and Soaked Pea Pisum Sativum Seed Meals as Replacement for Fishmeal
in Practical Diet Formulation for Juvenile Sea Bass in a Recirculating System
A 60-day feeding experiment
on sea bass, Lates calcariform was conducted at the UPV Multi- Species Hatchery
from September 23 - November 21, 2017. Healthy juveniles with an average
initial weight of 0.09g were randomly stocked at twenty-five fish per tank at
three replicates per treatment in fifteen 100-l conical tanks connected to a
recirculating system under a photoperiod of 12h light and 12h dark. Five
experimental diets were formulated to be isocaloric (40%) and isolipidic (10%)
consisting of a Control Diet (without green pea); raw green pea, RGP (Diet 1);
dehulled green pea, DGP (Diet 2); autoclaved green pea, AGP (Diet 3 ) and
soaked green peas, SGP (Diet 4) to replace about 10-11% of the total protein in
the diets. The percent weight gain (% WG) of sea bass fed control diet
(1544±2.60%) was significantly (P<0.05) higher than diets with RGP, SGP and
DGP, however fish fed AGP diets was not significantly different from those of
the control group (P > 0.05).
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