Artificial selection for improved energy efficiency is reaching its limits in broiler chickens

Abstract Modern broiler chickens are a major animal husbandry success story, both in terms of efficient resource utilisation and environmental sustainability. However, continuing artificial selection for both efficiency and rapid growth will be subject to both biological limits and animal welfare co...

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Autores principales:	C. W. Tallentire, I. Leinonen, I. Kyriazakis
Formato:	article
Lenguaje:	EN
Publicado:	Nature Portfolio 2018
Materias:	Medicine R Science Q
Acceso en línea:	https://doaj.org/article/5937a74d088d43629832545b749abd12
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spelling	oai:doaj.org-article:5937a74d088d43629832545b749abd122021-12-02T15:08:53ZArtificial selection for improved energy efficiency is reaching its limits in broiler chickens10.1038/s41598-018-19231-22045-2322https://doaj.org/article/5937a74d088d43629832545b749abd122018-01-01T00:00:00Zhttps://doi.org/10.1038/s41598-018-19231-2https://doaj.org/toc/2045-2322Abstract Modern broiler chickens are a major animal husbandry success story, both in terms of efficient resource utilisation and environmental sustainability. However, continuing artificial selection for both efficiency and rapid growth will be subject to both biological limits and animal welfare concerns. Using a novel analytical energy flow modelling approach, we predict how far such selection can go, given the biological limits of bird energy intake and partitioning of energy. We find that the biological potential for further improvements in efficiency, and hence environmental impact reduction, is minimal relative to past progress already made via artificial selection. An alternative breeding strategy to produce slower-growing birds to meet new welfare standards increases environmental burdens, compared to current birds. This unique analytic approach provides biologically sound guidelines for strategic planning of sustainable broiler production.C. W. TallentireI. LeinonenI. KyriazakisNature PortfolioarticleMedicineRScienceQENScientific Reports, Vol 8, Iss 1, Pp 1-10 (2018)
institution	DOAJ
collection	DOAJ
language	EN
topic	Medicine R Science Q
spellingShingle	Medicine R Science Q C. W. Tallentire I. Leinonen I. Kyriazakis Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
description	Abstract Modern broiler chickens are a major animal husbandry success story, both in terms of efficient resource utilisation and environmental sustainability. However, continuing artificial selection for both efficiency and rapid growth will be subject to both biological limits and animal welfare concerns. Using a novel analytical energy flow modelling approach, we predict how far such selection can go, given the biological limits of bird energy intake and partitioning of energy. We find that the biological potential for further improvements in efficiency, and hence environmental impact reduction, is minimal relative to past progress already made via artificial selection. An alternative breeding strategy to produce slower-growing birds to meet new welfare standards increases environmental burdens, compared to current birds. This unique analytic approach provides biologically sound guidelines for strategic planning of sustainable broiler production.
format	article
author	C. W. Tallentire I. Leinonen I. Kyriazakis
author_facet	C. W. Tallentire I. Leinonen I. Kyriazakis
author_sort	C. W. Tallentire
title	Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
title_short	Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
title_full	Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
title_fullStr	Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
title_full_unstemmed	Artificial selection for improved energy efficiency is reaching its limits in broiler chickens
title_sort	artificial selection for improved energy efficiency is reaching its limits in broiler chickens
publisher	Nature Portfolio
publishDate	2018
url	https://doaj.org/article/5937a74d088d43629832545b749abd12
work_keys_str_mv	AT cwtallentire artificialselectionforimprovedenergyefficiencyisreachingitslimitsinbroilerchickens AT ileinonen artificialselectionforimprovedenergyefficiencyisreachingitslimitsinbroilerchickens AT ikyriazakis artificialselectionforimprovedenergyefficiencyisreachingitslimitsinbroilerchickens
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Artificial selection for improved energy efficiency is reaching its limits in broiler chickens

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