About the Authors

Daniela Piras

Contributed equally to this work with: Daniela Piras, Maria Grazia Doro

Affiliation Institute of Population Genetics, National Research Council, Sassari, Italy

Maria Grazia Doro

Contributed equally to this work with: Daniela Piras, Maria Grazia Doro

Affiliation Institute of Population Genetics, National Research Council, Sassari, Italy

Giuseppina Casu

Affiliation Institute of Population Genetics, National Research Council, Sassari, Italy

Paola Maria Melis

Affiliation Institute of Population Genetics, National Research Council, Sassari, Italy

Simona Vaccargiu

Affiliation Institute of Population Genetics, National Research Council, Sassari, Italy

Ignazio Piras

Affiliation Shardna Life Sciences, Cagliari, Italy

Debora Parracciani

Affiliation Genetic Park of Ogliastra, Perdasdefogu, Italy

Roberta Stradoni

Affiliation Genetic Park of Ogliastra, Perdasdefogu, Italy

Bruno Frongia

Affiliation Genetic Park of Ogliastra, Perdasdefogu, Italy

Graziano Lai

Affiliation Genetic Park of Ogliastra, Perdasdefogu, Italy

Salvatore Sale

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Walter Cattari

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Roberto Piras

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Ombretta Querci

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Piergiorgio Demuro

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Sandro Cui

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Franco Atzori

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Marco Mancosu

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Francesca Marchiori

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Rossana Cammelli

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Alessandra Spiga

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Pier Paolo Loddo

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Gianfranco Pili

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Roberto Boi

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Giuseppe Argiolas

Affiliation ARAS, Regional Association of Sardinian Farmers, Cagliari, Italy

Paolo Mereu

Affiliation Department of Physiological, Biochemical and Cell Sciences, University of Sassari, Sassari, Italy

Giovanni Giuseppe Leoni

Affiliation Faculty of Veterinary Sciences, University of Sassari, Sassari, Italy

Salvatore Naitana

Affiliation Faculty of Veterinary Sciences, University of Sassari, Sassari, Italy

Mario Pirastu

Affiliations Institute of Population Genetics, National Research Council, Sassari, Italy, Genetic Park of Ogliastra, Perdasdefogu, Italy

Andrea Novelletto

novelletto@bio.uniroma2.it

Affiliation Department of Biology, University “Tor Vergata”, Rome, Italy

Competing Interests

IP was affiliated with the commercial company Shardna Life Sciences (see details at http://www.shardna.com/page.php?l=1&id_page=32) as a temporary collaborator and declares that this does not alter his adherence to all the PLoS ONE policies on sharing data and materials. D. Parracciani, RS, BF and GL were employees of Genetic Park of Ogliastra, a non-profit Consortium (see http://www.parcogenos.it/ for a description of statutory mission) and declare that this does not alter their adherence to all the PLoS ONE policies on sharing data and materials. MP was the Scientific coordinator of Genetic Park of Ogliastra, and declares that this does not alter his adherence to all the PLoS ONE policies on sharing data and materials.

Author Contributions

Conceived and designed the experiments: D. Piras MGD MP. Performed the experiments: D. Piras MGD GC SV. Analyzed the data: AN. Contributed reagents/materials/analysis tools: IP D. Parracciani RS BF SS WC RP OQ PD SC FA MM FM RC AS PPL GP RB GA PM GGL SN. Wrote the paper: AN. Phenotype data collection and database design: GL PMM.