Use of Poultry By-product and Plant Protein Sources in Diets of Redclaw Crayfish (Cherax quadricarinatus)
Cherax quadricarinatus
Corn gluten meal
DOI:
10.4194/trjfas21188
Publication Date:
2022-04-07T10:24:57Z
AUTHORS (10)
ABSTRACT
A total of 300 juvenile crayfish (13.0±0.03 g) were randomly distributed among 5 dietary groups (n=60, 3 replicates) held within 15×500 L-1 fiberglass tanks connected to a recirculation system (RAS), at 20 per tank. Each group was fed for 12 weeks one five experimental diets where the main protein sources were: 1) control, fish-meal-based diet (FM, 48% diet); 2) 10% FM + 52.5% poultry by-product meal (PoM); 3) 34.5% soybean corn gluten (Pmix); 4) PoM 32.soybean/corn mix (PoM/Pmix); and 5) 27.5% (FM/Pmix). The results demonstrated that there no significant differences in terms growth feed utilization efficiency. Muscle amino acid profile redclaw had highest level essential acids, followed by FM/PMix, Pmix, PoM/Pmix, diets. Particularly, all groups, acids (EAA) lysine, arginine, leucine. Based on these findings, we conclude can perform well with FM-free vegetable PoM-based although more research is needed into composition EAA FA muscle.
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