The Ds gene causes lightening of the coat when it is (Dsds+) on a black based it will cause a Dark Grulla Cow, and when on a wild type cow it will cause a medium grulla cow, and when on red it will cause a light red cow. When (DsDs) it will cause a black cow to be a light grulla and a red cow to be a light golden cow.
(Light red and Golden on diff. Page)
Top Left- Dark Grulla- EdEd/Dsds or Ede/Dsds
Top Right- Medium Grulla- E+E+/Dsds or E+e/Dsds
Bottom Left- Light Grulla- EdEd/DsDs or Ede/DsDs
(Light red and Golden on diff. Page)
Top Left- Dark Grulla- EdEd/Dsds or Ede/Dsds
Top Right- Medium Grulla- E+E+/Dsds or E+e/Dsds
Bottom Left- Light Grulla- EdEd/DsDs or Ede/DsDs





