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primary topic: Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo

Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo
type: AcademicArticle
type: Article
abstract: Local chickens are the most commonly raised poultry breed in rural areas of Togo, where they help in alleviating poverty and food insecurity in households. The current study aimed to ensure the sustainable management of this genetic resource by evaluating the genetic diversity, phylogenetic relationships, and population structure of local chicken populations from five agroecological zones (Dry Savannah, Atakora, Forest, Wet Savannah, and Littoral) in Togo. Genotyping was carried out using 15 microsatellite markers on 30 unrelated individuals per agroecological zone. Genetic diversity was assessed by estimating the number of alleles per locus, observed heterozygosity, unbiased expected heterozygosity, and the polymorphic information content (PIC). The genetic structure of the populations was analyzed using a Bayesian-based approach. The results revealed a high genetic diversity but weak population structuring among local chickens. Moreover, 98 alleles were detected in all population groups, varying from 3 to 12 per locus, with an average of 6.53 ± 2.67 alleles per locus. The PIC values varied from 0.436 to 0.690, with an average of 0.550 ± 0.087. The mean number of alleles per population across all markers ranged from 4.4 ± 1.4 (Dry Savannah) to 5.4 ± 2.0 (Forest). The unbiased expected heterozygosity was high and varied from 0.58 ± 0.07 (Atakora) to 0.65 ± 0.11 (Forest), while that observed varied between 0.46 ± 0.09 (Dry Savannah) and 0.57 ± 0.14 (Forest). All populations deviated significantly from the Hardy-Weinberg equilibrium. Across populations, FIT, FIS, and FST fixation indices were 0.150, 0.132, and 0.021, respectively. The genetic distances were low and varied from 0.022 (between Atakora and Dry Savannah) to 0.045 (between Atakora and Forest). These results could be used in potential genetic improvement programs or the preservation of local chickens in Togo. © (2023), (Scienceline Publication). All Rights Reserved.
date: 2023-09-25
volume: 13
issue: 3
is part of: Journal of World's Poultry Research
status: peerReviewed
status: published
author list: authors
type: EPrint
type: ArticleEPrint
is part of: repository
has document: Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo (Text)
has version: Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo (Text)
has published: Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo (Text)
subject: SF Animal culture

Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo (Text)
type: Document
has file: JWPR 13(3) 352-363, 2023.pdf
has part: JWPR 13(3) 352-363, 2023.pdf

Scienceline Publication
type: Organization

Journal of World's Poultry Research
type: Collection
issn: 2322455X

Guiguigbaza-Kossigan Dayo
type: Person
given name: Guiguigbaza-Kossigan
family name: Dayo

Emmanuel Oyegunle Oke
type: Person
given name: Emmanuel Oyegunle
family name: Oke

Oumbortime N'nanle
type: Person
given name: Oumbortime
family name: N'nanle

Kakom Assota Kossoga
type: Person
given name: Kakom Assota
family name: Kossoga

Kafui Amivi Tete-Benissan
type: Person
given name: Kafui Amivi
family name: Tete-Benissan

Abidi Bilalissi
type: Person
given name: Abidi
family name: Bilalissi

http://eprints.science-line.com/id/eprint/1404/
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primary topic: Genetic Diversity and Structure of Local Chicken Populations Raised in Five Agroecological Zones of Togo

SF Animal culture
type: Concept