In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet

ABSTRACT: A total of 120, twelve wk old female Japanese quails were divided into 4 groups (6 replicates of 5 birds each). The control group (CON) fed a corn-soybean diet; in the other 3 groups, Tenebrio molitor larvae meal (TML) replaced 5, 10, and 20% of the soybean protein (T5, T10, and T20). The...

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Autores principales:	Giulia Secci, Nicola F. Addeo, Lina F. Pulido Rodriguez, Fulvia Bovera, Giuseppe Moniello, Giuliana Parisi
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2021
Materias:	boiling fatty acid laying performance poultry yellow mealworm Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/0ce6295c115e42d6a9f76a70257c8169
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spelling	oai:doaj.org-article:0ce6295c115e42d6a9f76a70257c81692021-11-24T04:22:20ZIn vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet0032-579110.1016/j.psj.2021.101487https://doaj.org/article/0ce6295c115e42d6a9f76a70257c81692021-12-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S0032579121005095https://doaj.org/toc/0032-5791ABSTRACT: A total of 120, twelve wk old female Japanese quails were divided into 4 groups (6 replicates of 5 birds each). The control group (CON) fed a corn-soybean diet; in the other 3 groups, Tenebrio molitor larvae meal (TML) replaced 5, 10, and 20% of the soybean protein (T5, T10, and T20). The laying performance and egg quality were studied for 54 d. The data were processed by a one-way ANOVA; the orthogonal contrast analysis was performed to test the linear, quadratic and cubic effects among the means. The laying rate and egg mass linearly decreased (P < 0.01) as the TML inclusion level in the diet increased. The egg weight and feed conversion ratio linearly increased from the control to T20 diet (P < 0.01) while the digestibility of dry matter, organic matter, and crude protein linearly decreased (P < 0.05). The albumen and yolk weight showed a linear increase (P < 0.01) due to dietary TML inclusion, while the eggshell weight showed the opposite (P < 0.05). The estimated activity of Δ9-desaturase (C16:0), Δ5+Δ6-desaturase on both polyunsaturated fatty acid n-6 and n-3 linearly increased (P < 0.05) as affected by dietary TML. The boiled yolk lightness (L) showed higher values in T5 and T10 groups (quadratic contrast, P < 0.01). The yolk redness index (a) showed lower values in T5 and T20 than control and T10 groups (cubic contrast, P < 0.01). The albumen L, a, and b* indexes showed a significant effect of the quadratic contrast (P < 0.05). In addition, the albumen b* index showed a significant effect of the cubic contrast (P < 0.01). The total lipids showed the highest values (cubic contrast, P < 0.05) in the T10 and T20 groups. The total monounsaturated fatty acids linearly increased (P < 0.05) according to the increase of dietary TML. The best inclusion level of defatted TML meal for laying quails seems to be 1.4% of diet, corresponding to the T5 diet.Giulia SecciNicola F. AddeoLina F. Pulido RodriguezFulvia BoveraGiuseppe MonielloGiuliana ParisiElsevierarticleboilingfatty acidlaying performancepoultryyellow mealwormAnimal cultureSF1-1100ENPoultry Science, Vol 100, Iss 12, Pp 101487- (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	boiling fatty acid laying performance poultry yellow mealworm Animal culture SF1-1100
spellingShingle	boiling fatty acid laying performance poultry yellow mealworm Animal culture SF1-1100 Giulia Secci Nicola F. Addeo Lina F. Pulido Rodriguez Fulvia Bovera Giuseppe Moniello Giuliana Parisi In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
description	ABSTRACT: A total of 120, twelve wk old female Japanese quails were divided into 4 groups (6 replicates of 5 birds each). The control group (CON) fed a corn-soybean diet; in the other 3 groups, Tenebrio molitor larvae meal (TML) replaced 5, 10, and 20% of the soybean protein (T5, T10, and T20). The laying performance and egg quality were studied for 54 d. The data were processed by a one-way ANOVA; the orthogonal contrast analysis was performed to test the linear, quadratic and cubic effects among the means. The laying rate and egg mass linearly decreased (P < 0.01) as the TML inclusion level in the diet increased. The egg weight and feed conversion ratio linearly increased from the control to T20 diet (P < 0.01) while the digestibility of dry matter, organic matter, and crude protein linearly decreased (P < 0.05). The albumen and yolk weight showed a linear increase (P < 0.01) due to dietary TML inclusion, while the eggshell weight showed the opposite (P < 0.05). The estimated activity of Δ9-desaturase (C16:0), Δ5+Δ6-desaturase on both polyunsaturated fatty acid n-6 and n-3 linearly increased (P < 0.05) as affected by dietary TML. The boiled yolk lightness (L) showed higher values in T5 and T10 groups (quadratic contrast, P < 0.01). The yolk redness index (a) showed lower values in T5 and T20 than control and T10 groups (cubic contrast, P < 0.01). The albumen L, a, and b* indexes showed a significant effect of the quadratic contrast (P < 0.05). In addition, the albumen b* index showed a significant effect of the cubic contrast (P < 0.01). The total lipids showed the highest values (cubic contrast, P < 0.05) in the T10 and T20 groups. The total monounsaturated fatty acids linearly increased (P < 0.05) according to the increase of dietary TML. The best inclusion level of defatted TML meal for laying quails seems to be 1.4% of diet, corresponding to the T5 diet.
format	article
author	Giulia Secci Nicola F. Addeo Lina F. Pulido Rodriguez Fulvia Bovera Giuseppe Moniello Giuliana Parisi
author_facet	Giulia Secci Nicola F. Addeo Lina F. Pulido Rodriguez Fulvia Bovera Giuseppe Moniello Giuliana Parisi
author_sort	Giulia Secci
title	In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
title_short	In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
title_full	In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
title_fullStr	In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
title_full_unstemmed	In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet
title_sort	in vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by tenebrio molitor larvae meal at low inclusion rate in laying quail (coturnix japonica) diet
publisher	Elsevier
publishDate	2021
url	https://doaj.org/article/0ce6295c115e42d6a9f76a70257c8169
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In vivo performances, ileal digestibility, and physicochemical characterization of raw and boiled eggs as affected by Tenebrio molitor larvae meal at low inclusion rate in laying quail (Coturnix japonica) diet

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