Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<)
The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years...
Ausführliche Beschreibung
Autor*in: |
Davidson P. Campos [verfasserIn] Henry P. Granger-Neto [verfasserIn] José E. Santos-Júnior [verfasserIn] Renata S. O. Buzatti [verfasserIn] Fabrício R. Santos [verfasserIn] |
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E-Artikel |
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Sprache: |
Englisch |
Erschienen: |
2024 |
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Schlagwörter: |
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Übergeordnetes Werk: |
In: Birds - MDPI AG, 2021, 5(2024), 1, Seite 190-201 |
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Übergeordnetes Werk: |
volume:5 ; year:2024 ; number:1 ; pages:190-201 |
Links: |
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DOI / URN: |
10.3390/birds5010013 |
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Katalog-ID: |
DOAJ100543081 |
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10.3390/birds5010013 doi (DE-627)DOAJ100543081 (DE-599)DOAJ89278751a1ca46ebb9aeae8fc81f7fa6 DE-627 ger DE-627 rakwb eng QH540-549.5 SF1-1100 Davidson P. Campos verfasserin aut Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. anseriformes conservation genetics captive breeding <i<ex situ</i< management Ecology Animal culture Henry P. Granger-Neto verfasserin aut José E. Santos-Júnior verfasserin aut Renata S. O. Buzatti verfasserin aut Fabrício R. Santos verfasserin aut In Birds MDPI AG, 2021 5(2024), 1, Seite 190-201 (DE-627)1759890448 26736004 nnns volume:5 year:2024 number:1 pages:190-201 https://doi.org/10.3390/birds5010013 kostenfrei https://doaj.org/article/89278751a1ca46ebb9aeae8fc81f7fa6 kostenfrei https://www.mdpi.com/2673-6004/5/1/13 kostenfrei https://doaj.org/toc/2673-6004 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2024 1 190-201 |
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10.3390/birds5010013 doi (DE-627)DOAJ100543081 (DE-599)DOAJ89278751a1ca46ebb9aeae8fc81f7fa6 DE-627 ger DE-627 rakwb eng QH540-549.5 SF1-1100 Davidson P. Campos verfasserin aut Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. anseriformes conservation genetics captive breeding <i<ex situ</i< management Ecology Animal culture Henry P. Granger-Neto verfasserin aut José E. Santos-Júnior verfasserin aut Renata S. O. Buzatti verfasserin aut Fabrício R. Santos verfasserin aut In Birds MDPI AG, 2021 5(2024), 1, Seite 190-201 (DE-627)1759890448 26736004 nnns volume:5 year:2024 number:1 pages:190-201 https://doi.org/10.3390/birds5010013 kostenfrei https://doaj.org/article/89278751a1ca46ebb9aeae8fc81f7fa6 kostenfrei https://www.mdpi.com/2673-6004/5/1/13 kostenfrei https://doaj.org/toc/2673-6004 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2024 1 190-201 |
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10.3390/birds5010013 doi (DE-627)DOAJ100543081 (DE-599)DOAJ89278751a1ca46ebb9aeae8fc81f7fa6 DE-627 ger DE-627 rakwb eng QH540-549.5 SF1-1100 Davidson P. Campos verfasserin aut Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. anseriformes conservation genetics captive breeding <i<ex situ</i< management Ecology Animal culture Henry P. Granger-Neto verfasserin aut José E. Santos-Júnior verfasserin aut Renata S. O. Buzatti verfasserin aut Fabrício R. Santos verfasserin aut In Birds MDPI AG, 2021 5(2024), 1, Seite 190-201 (DE-627)1759890448 26736004 nnns volume:5 year:2024 number:1 pages:190-201 https://doi.org/10.3390/birds5010013 kostenfrei https://doaj.org/article/89278751a1ca46ebb9aeae8fc81f7fa6 kostenfrei https://www.mdpi.com/2673-6004/5/1/13 kostenfrei https://doaj.org/toc/2673-6004 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2024 1 190-201 |
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10.3390/birds5010013 doi (DE-627)DOAJ100543081 (DE-599)DOAJ89278751a1ca46ebb9aeae8fc81f7fa6 DE-627 ger DE-627 rakwb eng QH540-549.5 SF1-1100 Davidson P. Campos verfasserin aut Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) 2024 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. anseriformes conservation genetics captive breeding <i<ex situ</i< management Ecology Animal culture Henry P. Granger-Neto verfasserin aut José E. Santos-Júnior verfasserin aut Renata S. O. Buzatti verfasserin aut Fabrício R. Santos verfasserin aut In Birds MDPI AG, 2021 5(2024), 1, Seite 190-201 (DE-627)1759890448 26736004 nnns volume:5 year:2024 number:1 pages:190-201 https://doi.org/10.3390/birds5010013 kostenfrei https://doaj.org/article/89278751a1ca46ebb9aeae8fc81f7fa6 kostenfrei https://www.mdpi.com/2673-6004/5/1/13 kostenfrei https://doaj.org/toc/2673-6004 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 GBV_ILN_65 GBV_ILN_69 GBV_ILN_73 GBV_ILN_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_213 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2111 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4325 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 5 2024 1 190-201 |
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QH540-549.5 SF1-1100 Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) anseriformes conservation genetics captive breeding <i<ex situ</i< management |
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Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) |
abstract |
The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. |
abstractGer |
The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. |
abstract_unstemmed |
The Brazilian Merganser (<i<Mergus octosetaceus</i<) is one of the rarest birds in South America, and it is a critically endangered Anatidae species with an estimated population of less than 250 adult individuals in the Brazilian Cerrado. A captive population was established a few years ago at Zooparque Itatiba (São Paulo state) where 46 individuals were kept, and the founding population (progenitors derived from nature) was composed of 19 of the ex situ birds, derived from the four remaining localities with wild populations in Brazil. To characterize the genetic diversity and the genealogical relationships of the captive population, it is essential to conduct appropriate ex situ management and to assist future reintroduction projects. Thus, we have identified 425 SNPs by massively parallel sequencing of ddRAD libraries that allowed us to genotype individuals of the captive population. We observed a close relatedness between 70% of the captive population and founding individuals of Jalapão and Alto Paranaiba localities, indicating the need for supplementation with individuals from other areas of Canastra and Veadeiros. Even though many captives present a high level of inbreeding, we have identified some individuals with a high genetic value (less inbred) that can be selected for the breeding program to generate individuals for a future pilot reintroduction project. |
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Genetic Monitoring of the Captive Population of the Critically Endangered Brazilian Merganser (<i<Mergus octosetaceus</i<) |
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