Caracterisation Phenotypique de la Population Ovine du Sud Ouest de la Tunisie

Khaldi, Z.; Haddad, Bassem R.; Souid, Sami; Rouissi, H.; Gara, A. Ben; Rekik, B.

doi:10.1017/s2078633611000361

Cited by 15 publications

(17 citation statements)

References 10 publications

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“…Genetic diversity of Tunisian sheep breeds was previously investigated through morphologic and morphometric descriptors (Khaldi et al, 2011). Moreover, molecular markers were used to study the genetic structure of Tunisian sheep populations, such as RAPD-PCR (Khaldi et al, 2010, El Hentati et al, 2012, microsatellites markers (Ben Sassi-Zaidy et al, 2014;Kdidi et al, 2015a), and sequence polymorphisms at the Prion protein (PRNP) gene (Kdidi et al, 2014) J o u r n a l P r e -p r o o f…”

Section: Introductionmentioning

confidence: 99%

Genetic structure of Tunisian sheep breeds as inferred from genome-wide SNP markers

Bedhiaf-Romdhani

Baazaoui

Ciani

et al. 2020

Small Ruminant Research

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Section: Introductionmentioning

confidence: 99%

Genetic structure of Tunisian sheep breeds as inferred from genome-wide SNP markers

Bedhiaf-Romdhani

Baazaoui

Ciani

et al. 2020

Small Ruminant Research

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“…There are more than 7 million sheep heads, and 4 million breeding ewes (http://www.onagri.tn/statistiques) that belong to 4 different breeds: Barbarin (60.3% of the total), Western Thin Tail (34.6%), Black Thibar (2.1%), and Sicilo Sarde (0.7%). Available information on genetic biodiversity and the origin of Tunisian sheep breeds is still very limited (15,16) and the Y-chromosome diversity has not been studied yet.…”

Section: Introductionmentioning

confidence: 99%

“…West Africa, the Djallonke and Maure from Senegal and Mali, respectively(23). The origin of the Tunisian Western Thin Tail is the Ouled Jellal breed from Algeria(16), and a possible genetic exchange could have occurred between Algerian sheep breeds and neighboring sub-Saharan breeds via the southern borders with Mali and Mauritania. The Barbarin breed's origin could be in the steppes of Central Asia(15).…”

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confidence: 99%

Y chromosome haplotype characterization of Tunisian sheep breeds

Kdidi¹,

Yahyaoui²,

Garcãa-Manrique³

et al. 2015

Turk J Vet Anim Sci

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This study aimed to investigate Y chromosomal haplotypes in the main Tunisian sheep breeds. For this purpose, we sequenced 2 regions of SRY (549-bp and 598-bp fragments) and 1 region in each of the AMELY and DBY genes in Barbarin, Western Thin Tail, Sicilo Sarde, and Black Thibar breeds. In addition, we analyzed the diversity at the SRYM18 microsatellite locus and detected 4 alleles of 139, 141, 143, and 145 bp. The sequencing analysis did not reveal any polymorphism in the AMELY or DBY regions; however, 2 samples carried the G allele in the 549-bp fragment of SRY. A total of 5 haplotypes, H4, H5, H6, H8, and H12, were found in the 4 breeds. The most common haplotype was H8 (55.5%), followed by H6 (34.5%), while other haplotypes were observed at low frequencies. H4 and H5 haplotypes were observed only in Western Thin Tail and Black Thibar breeds, respectively. In spite of the small area of Tunisia, a high Y chromosome diversity was observed. The results underlined the genetic relation of Tunisian sheep breeds with Middle Eastern, African, and European sheep breed

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“…Comparing the Barbarine breed with the Tunisian breed (Khaldi et al, 2011) and other fat-tailed breeds in West Africa (Parés-Casanova PM et al, 2010;Paracute Casanova , 2013) Barbarine studied has superior body measurements with a medium size. But this breed has semi-fat tail.…”

Section: Analysis Of Individualsmentioning

confidence: 98%

Barymetric Characterization of Algerian Sheep Breeds in Western Algeria

Belharfi

Djaout

Ameur

et al. 2017

GABJ

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To study of the biodiversity of the sheep genetic resources, our phenotypic approach consists on the barymetric parameters of Algerian sheep breeds in western Algeria using the body measurements in 166 sheep of six breeds: Ouled Djellal, Hamra, Barbarine, Srandi, Daraa and Tazegzawt. The body measurements studied are: WH, SIL, HG, CD, SW, RW, TW, PL, HL, HW, EL, EW and CP, they are respectively : 84.71±7.15 cm ; 84.08±7.96 cm 103.53±10.79 cm ; 30.21±4.18 cm ; 17.34±2.09 cm ; 21.63±2.90 cm ; 26.01±2.32 cm ; 24.40± 4.07 cm ; 25.58±1.99 cm ; 15.18±1.62 cm ; 16.22±2.60 cm ; 8.24±0.96cm et 9.09±1.21 cm. The barymetric characterization revealed clear barymetric diversity between the breeds studied and between males and females, with very highly significant differences (p<0.001) for the most of body measurements used. A principal component analysis (CPA) was performed on the barymetric characteristics, revealed two main principal components accounting for 55.63% and 18.02% of the inertia, being related to WH, HG, CD, TW and SIL. The results of the CPA allowed establishing 3 classes, which only one class presents the majority of the population.

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Caracterisation Phenotypique de la Population Ovine du Sud Ouest de la Tunisie

Cited by 15 publications

References 10 publications

Genetic structure of Tunisian sheep breeds as inferred from genome-wide SNP markers

Genetic structure of Tunisian sheep breeds as inferred from genome-wide SNP markers

Y chromosome haplotype characterization of Tunisian sheep breeds

Barymetric Characterization of Algerian Sheep Breeds in Western Algeria

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