Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis

ABSTRACT: A meta-analysis was performed to evaluate the effects of supplementary n-3 polyunsaturated fatty acids (PUFA) sources in the diet on the formation of some important n-3 PUFA contents in eggs and to assess factors contributing to the conversion efficiency of omega-3 in laying hens. A datase...

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Autores principales:	A. Irawan, N. Ningsih, Hafizuddin, R.K. Rusli, W.P.S. Suprayogi, N. Akhirini, R.F. Hadi, W. Setyono, A. Jayanegara
Formato:	article
Lenguaje:	EN
Publicado:	Elsevier 2022
Materias:	docosahexaenoic acid egg quality fatty acid profile laying hens omega 3 Animal culture SF1-1100
Acceso en línea:	https://doaj.org/article/ac426549f1d242abb4886d8d9170d779
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spelling	oai:doaj.org-article:ac426549f1d242abb4886d8d9170d7792021-11-24T04:23:14ZSupplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis0032-579110.1016/j.psj.2021.101566https://doaj.org/article/ac426549f1d242abb4886d8d9170d7792022-01-01T00:00:00Zhttp://www.sciencedirect.com/science/article/pii/S003257912100568Xhttps://doaj.org/toc/0032-5791ABSTRACT: A meta-analysis was performed to evaluate the effects of supplementary n-3 polyunsaturated fatty acids (PUFA) sources in the diet on the formation of some important n-3 PUFA contents in eggs and to assess factors contributing to the conversion efficiency of omega-3 in laying hens. A dataset was constructed from 34 studies examining the impact of dietary inclusion with ingredients rich in n-3 PUFA on fatty acids profile and production performance of laying hens. The eligibility criteria were developed to obtain studies reporting required information with sufficient quality. The mixed model methodology was employed where the “study” was set as random effects and fatty acid (FA) supplements as fixed effects. Several factors were included in the models as covariates. Discrete analysis for sources of FA was also performed to compare their effects on FA formation in eggs. Significant linear positive associations were observed between the concentration of α-linolenic acid (ALA), total n-3 PUFA, and the ratio of linoleic acid (LA) to ALA (LA/ALA) in diets with the formation of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), total n-3 PUFA, and n6/n3 ratio in egg (P < 0.05) with different magnitudes. ALA and total n-3 PUFAs concentration had no relationship with cholesterol concentration, feed intake, and egg weight. Prediction models for DHA formation was higher for ALA as predictor variables (slope = 0.482; R2 = 0.684) than n-3 PUFAs (slopes = 0.998, R2 = 0.628). Significant interactions were found on the level of ALA × FA sources and n-3 PUFA × FA sources. Fish oil (P = 0.0148, R2 = 0.732) improved the prediction equation to estimate DHA formation. To conclude, levels of ALA, n-3 PUFA, and the ratio of LA/ALA can be used as predictor variables to estimate the formation of n-3 fatty acids in eggs. It was confirmed that although all n-3 FA sources had a positive correlation on DHA and n-3 PUFA deposition, however, fish oil showed the highest prediction model for DHA formation across all FA sources included in the dataset.A. IrawanN. Ningsih HafizuddinR.K. RusliW.P.S. SuprayogiN. AkhiriniR.F. HadiW. SetyonoA. JayanegaraElsevierarticledocosahexaenoic acidegg qualityfatty acid profilelaying hensomega 3Animal cultureSF1-1100ENPoultry Science, Vol 101, Iss 1, Pp 101566- (2022)
institution	DOAJ
collection	DOAJ
language	EN
topic	docosahexaenoic acid egg quality fatty acid profile laying hens omega 3 Animal culture SF1-1100
spellingShingle	docosahexaenoic acid egg quality fatty acid profile laying hens omega 3 Animal culture SF1-1100 A. Irawan N. Ningsih Hafizuddin R.K. Rusli W.P.S. Suprayogi N. Akhirini R.F. Hadi W. Setyono A. Jayanegara Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
description	ABSTRACT: A meta-analysis was performed to evaluate the effects of supplementary n-3 polyunsaturated fatty acids (PUFA) sources in the diet on the formation of some important n-3 PUFA contents in eggs and to assess factors contributing to the conversion efficiency of omega-3 in laying hens. A dataset was constructed from 34 studies examining the impact of dietary inclusion with ingredients rich in n-3 PUFA on fatty acids profile and production performance of laying hens. The eligibility criteria were developed to obtain studies reporting required information with sufficient quality. The mixed model methodology was employed where the “study” was set as random effects and fatty acid (FA) supplements as fixed effects. Several factors were included in the models as covariates. Discrete analysis for sources of FA was also performed to compare their effects on FA formation in eggs. Significant linear positive associations were observed between the concentration of α-linolenic acid (ALA), total n-3 PUFA, and the ratio of linoleic acid (LA) to ALA (LA/ALA) in diets with the formation of eicosapentaenoic acid (EPA), docosahexaenoic acid (DHA), total n-3 PUFA, and n6/n3 ratio in egg (P < 0.05) with different magnitudes. ALA and total n-3 PUFAs concentration had no relationship with cholesterol concentration, feed intake, and egg weight. Prediction models for DHA formation was higher for ALA as predictor variables (slope = 0.482; R2 = 0.684) than n-3 PUFAs (slopes = 0.998, R2 = 0.628). Significant interactions were found on the level of ALA × FA sources and n-3 PUFA × FA sources. Fish oil (P = 0.0148, R2 = 0.732) improved the prediction equation to estimate DHA formation. To conclude, levels of ALA, n-3 PUFA, and the ratio of LA/ALA can be used as predictor variables to estimate the formation of n-3 fatty acids in eggs. It was confirmed that although all n-3 FA sources had a positive correlation on DHA and n-3 PUFA deposition, however, fish oil showed the highest prediction model for DHA formation across all FA sources included in the dataset.
format	article
author	A. Irawan N. Ningsih Hafizuddin R.K. Rusli W.P.S. Suprayogi N. Akhirini R.F. Hadi W. Setyono A. Jayanegara
author_facet	A. Irawan N. Ningsih Hafizuddin R.K. Rusli W.P.S. Suprayogi N. Akhirini R.F. Hadi W. Setyono A. Jayanegara
author_sort	A. Irawan
title	Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
title_short	Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
title_full	Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
title_fullStr	Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
title_full_unstemmed	Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
title_sort	supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis
publisher	Elsevier
publishDate	2022
url	https://doaj.org/article/ac426549f1d242abb4886d8d9170d779
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Supplementary n-3 fatty acids sources on performance and formation of omega-3 in egg of laying hens: a meta-analysis

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