Evaluation of black soldier fly larvae oil (Hermetia illucens L.) calcium salt as an alternative fat source for laying quail diets
Evaluation of black soldier fly larvae oil (Hermetia illucens L.) calcium salt as an alternative fat source for laying quail diets
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Objective: This study aims to determine the effect of adding saponified black soldier fly larvae oil calcium salt (BSFLO-SCa) to quail feed as an alternative source of fat on laying performance, blood lipid profile, egg quality, and gene expression in lipid metabolism.Methods: A total of 120 female Japanese quails (<i>Coturnix japonica</i>) aged 24 weeks were divided into 3 treatments, each with 8 replications, and each replication consisted of 5 quails in a completely randomized design. The applied treatments were the inclusion of basal feed as a control (T0) and basal feed supplemented with 1% BSFLO-SCa (T1) and 2% BSFLO-SCa (T2).Results: The study indicated that the supplementation starting from 1% of BSFLO-SCa significantly decrease (p<0.05) in feed conversion ratio, blood lipid profile (total cholesterol, low density lipoprotein-cholesterol). Gene expression on fat synthesis of fatty acid synthase and cholesterol synthesis of 3-hydroxy-3-methylglutaryl coenzyme A reductase downregulated (p<0.05). In addition, the other parameters did not affect by supplementation of 1% BSFLO-SCa. The inclusion at 2% of BSFLO-SCa significantly increased (p<0.05) protein content of yolk and albumen, egg weight, egg shape index, and gene expression on fat oxidation of carnitine palmitoyltransferase-1. Egg yolk cholesterol, egg albumen ash, haugh unit, and gene expression on fat synthesis of acetyl-CoA carboxylase were significantly reduced (p<0.05).Conclusion: Addition of 2% BSFLO-SCa in the feed improves performance, egg quality, and reduces cholesterol in the blood and eggs of quail. This improvement is accompanied by a reduction in the expression of key genes involved in lipid metabolism. BSFLO-SCa oil has the potential to be an alternative oil source in quail feed.
Abstract
Objective: This study aims to determine the effect of adding saponified black soldier fly larvae oil calcium salt (BSFLO-SCa) to quail feed as an alternative source of fat on laying performance, blood lipid profile, egg quality, and gene expression in lipid metabolism. Methods: A total of 120 female Japanese quails (Coturnix japonica) aged 24 weeks were divided into 3 treatments, each with 8 replications, and each replication consisted of 5 quails in a completely randomized design. The applied treatments were the inclusion of basal feed as a control (T0) and basal feed supplemented with 1% BSFLO-SCa (T1) and 2% BSFLO-SCa (T2). Results: The study indicated that the supplementation starting from 1% of BSFLO-SCa significantly decrease (p<0.05) in feed conversion ratio, blood lipid profile (total cholesterol, low density lipoprotein-cholesterol). Gene expression on fat synthesis of fatty acid synthase and cholesterol synthesis of 3-hydroxy-3-methylglutaryl coenzyme A reductase downregulated (p<0.05). In addition, the other parameters did not affect by supplementation of 1% BSFLO-SCa. The inclusion at 2% of BSFLO-SCa significantly increased (p<0.05) protein content of yolk and albumen, egg weight, egg shape index, and gene expression on fat oxidation of carnitine palmitoyltransferase-1. Egg yolk cholesterol, egg albumen ash, haugh unit, and gene expression on fat synthesis of acetyl-CoA carboxylase were significantly reduced (p<0.05). Conclusion: Addition of 2% BSFLO-SCa in the feed improves performance, egg quality, and reduces cholesterol in the blood and eggs of quail. This improvement is accompanied by a reduction in the expression of key genes involved in lipid metabolism. BSFLO-SCa oil has the potential to be an alternative oil source in quail feed.