The hairless (hr) gene is involved in the congenital hypotrichosis of Valle del Belice sheep Raffaella Finocchiaro, Baldassare Portolano, Giuseppe Damiani, Anna Caroli, Elena Budelli, Patrizia Bolla and Giulio PagnaccoGenet. Sel. Evol., 35 Suppl. 1 (2003) S147-S156DOI: https://doi.org/10.1051/gse:2003023