Admixture and breed traceability in European indigenous pig breeds and wild boar using genome‑wide SNP data
Authors
Dadousis, ChristosMunoz, Maria
Ovilo, Cristina
Fabbri, Maria Chiara
Araujo, Jose Pedro
Bovo, Samuele
Čandek Potokar, Marjeta

Charneca, Rui

Crovetti, Alessandro
Gallo, Maurizio
Garcia-Casco, Juan Maria
Karolyi, Danijel
Kušec, Goran
Martins, Jose Manuel
Mercat, Marie-Jose
Pugliese, Carolina
Quintanilla, Raquel
Radović, Čedomir

Razmaite, Violeta
Ribani, Anisa
Raquet, Juliet
Savić, Radomir
Schiavo, Giuseppina
Škrlep, Martin
Tinarelli, Silvia
Usai, Graziano
Zimmer, Christoph
Fontanesi, Luca
Bozzi, Riccardo

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Preserving diversity of indigenous pig (Sus scrofa) breeds is a key factor to (i) sustain the pork chain
(both at local and global scales) including the production of high-quality branded products, (ii) enrich
the animal biobanking and (iii) progress conservation policies. Single nucleotide polymorphism (SNP)
chips ofer the opportunity for whole-genome comparisons among individuals and breeds. Animals
from twenty European local pigs breeds, reared in nine countries (Croatia: Black Slavonian, Turopolje;
France: Basque, Gascon; Germany: Schwabisch-Hällisches Schwein; Italy: Apulo Calabrese, Casertana,
Cinta Senese, Mora Romagnola, Nero Siciliano, Sarda; Lithuania: Indigenous Wattle, White Old Type;
Portugal: Alentejana, Bísara; Serbia: Moravka, Swallow-Bellied Mangalitsa; Slovenia: Krškopolje pig;
Spain: Iberian, Majorcan Black), and three commercial breeds (Duroc, Landrace and Large White) were
sampled and genotyped with the GeneSeek Genomic Profler (GGP) 70 K HD porcine genoty...ping chip.
A dataset of 51 Wild Boars from nine countries was also added, summing up to 1186 pigs (~49 pigs/
breed). The aim was to: (i) investigate individual admixture ancestries and (ii) assess breed traceability
via discriminant analysis on principal components (DAPC). Albeit the mosaic of shared ancestries
found for Nero Siciliano, Sarda and Moravka, admixture analysis indicated independent evolvement
Source:
Scientifc Reports, 2022, 12, 7146Publisher:
- Nature Portfolio