Genetic analysis for mastitis resistance and milk somatic cell score in French Lacaune dairy sheep Francis Barillet, Rachel Rupp, Sandrine Mignon-Grasteau, Jean-Michel Astruc and Michèle Jacquin Genet. Sel. Evol., 33 4 (2001) 397-415 DOI: 10.1051/gse:2001124