ASYQ - Brandsma,J.H.; Janss,L.L.G.; Visscher,A.H. - Association between PrP genotypes and performance traits in an experimental Dutch Texel herd - Livestock Production Science 2005 Aug 1; 95(1-2): 89-94
ASYR - Brandsma,J.H.; Janss,L.L.G.; Visscher,A.H. - Association between PrP genotypes and littersize and 135 days weight in Texel sheep - Livestock Production Science 2004 Jan; 85(1): 59-64