Colour variants in dutch Heathsheep (Heideschaap) ; Variants colorés chez le Mouton Néerlandais des Landes de bruyère (Heideschaap)

National audience ; A preliminary study in two Heathsheep flocks shows a biallelism at the following coat colour loci : Agouti A (Awh, a), Brown B (B, b), Extension E (E+, Ed) and Spotting S (S+, Sb). There is perhaps another variant in Agouti and another piebald allele. Compared to other so called "primitive" breeds (Icelandic, Old Norvegian or Corsican), the colour variability in Heathsheep is moderate. The basic variability may have been reduced in a first stage of evolution then the reduction process stopped for a still unknown reason. ; Une première étude dans 2 troupeaux de moutons des L... Mehr ...