16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse

Abstract The consequences of poor breed management and inbreeding can range from gradual declines in individual productivity to more serious fertility and mortality concerns. However, many small and closed groups, as well as larger unmanaged populations, are plagued by genetic regression, often due...

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Autores principales:	Andrew Dell, Mark Curry, Elena Hunter, Ruth Dalton, Kelly Yarnell, Gareth Starbuck, Philippe B. Wilson
Formato:	article
Lenguaje:	EN
Publicado:	Wiley 2021
Materias:	cleveland bay effective population size population genetics Ecology QH540-549.5
Acceso en línea:	https://doaj.org/article/2dd3c991b5084c728a23c7f4269b709f
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spelling	oai:doaj.org-article:2dd3c991b5084c728a23c7f4269b709f2021-11-08T17:10:40Z16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse2045-775810.1002/ece3.8118https://doaj.org/article/2dd3c991b5084c728a23c7f4269b709f2021-11-01T00:00:00Zhttps://doi.org/10.1002/ece3.8118https://doaj.org/toc/2045-7758Abstract The consequences of poor breed management and inbreeding can range from gradual declines in individual productivity to more serious fertility and mortality concerns. However, many small and closed groups, as well as larger unmanaged populations, are plagued by genetic regression, often due to a dearth in breeding support tools which are accessible and easy to use in supporting decision‐making. To address this, we have developed a population management tool (BCAS, Breed Conservation and Management System) based on individual relatedness assessed using pedigree‐based kinship, which offers breeding recommendations for such populations. Moreover, we demonstrate the success of this tool in 16 years of employment in a closed equine population native to the UK, most notably, the rate of inbreeding reducing from more than 3% per generation, to less than 0.5%, or that attributed to genetic drift, as assessed over the last 16 years of implementation. Furthermore, with adherence to this program, the long‐term impact of poor management has been reversed and the genetic resource within the breed has grown from an effective population size of 20 in 1994 to more than 140 in 2020. The development and availability of our BCAS for breed management and selection establish a new paradigm for the successful maintenance of genetic resources in animal populations.Andrew DellMark CurryElena HunterRuth DaltonKelly YarnellGareth StarbuckPhilippe B. WilsonWileyarticlecleveland bayeffective population sizepopulation geneticsEcologyQH540-549.5ENEcology and Evolution, Vol 11, Iss 21, Pp 14555-14572 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	cleveland bay effective population size population genetics Ecology QH540-549.5
spellingShingle	cleveland bay effective population size population genetics Ecology QH540-549.5 Andrew Dell Mark Curry Elena Hunter Ruth Dalton Kelly Yarnell Gareth Starbuck Philippe B. Wilson 16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
description	Abstract The consequences of poor breed management and inbreeding can range from gradual declines in individual productivity to more serious fertility and mortality concerns. However, many small and closed groups, as well as larger unmanaged populations, are plagued by genetic regression, often due to a dearth in breeding support tools which are accessible and easy to use in supporting decision‐making. To address this, we have developed a population management tool (BCAS, Breed Conservation and Management System) based on individual relatedness assessed using pedigree‐based kinship, which offers breeding recommendations for such populations. Moreover, we demonstrate the success of this tool in 16 years of employment in a closed equine population native to the UK, most notably, the rate of inbreeding reducing from more than 3% per generation, to less than 0.5%, or that attributed to genetic drift, as assessed over the last 16 years of implementation. Furthermore, with adherence to this program, the long‐term impact of poor management has been reversed and the genetic resource within the breed has grown from an effective population size of 20 in 1994 to more than 140 in 2020. The development and availability of our BCAS for breed management and selection establish a new paradigm for the successful maintenance of genetic resources in animal populations.
format	article
author	Andrew Dell Mark Curry Elena Hunter Ruth Dalton Kelly Yarnell Gareth Starbuck Philippe B. Wilson
author_facet	Andrew Dell Mark Curry Elena Hunter Ruth Dalton Kelly Yarnell Gareth Starbuck Philippe B. Wilson
author_sort	Andrew Dell
title	16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
title_short	16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
title_full	16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
title_fullStr	16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
title_full_unstemmed	16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse
title_sort	16 years of breed management brings substantial improvement in population genetics of the endangered cleveland bay horse
publisher	Wiley
publishDate	2021
url	https://doaj.org/article/2dd3c991b5084c728a23c7f4269b709f
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16 Years of breed management brings substantial improvement in population genetics of the endangered Cleveland Bay Horse

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