SNP rs in exon of the MTNRA gene is associated with reproductive seasonality in the Rasa aragonesa sheep breed. 병인학. httpsdoi.org.j.theriogenology... Calvo JH, Chantepie L, Serrano M, Sarto MP, Iguacel LP, Jimnez M, Alabart JL, Folch J, Fabre S, Lahoz B,.