mitch the chocolate patterdale at 8 months

can anyone answer one of my yellow labs keeps changing colour with black stripes.

Georgia Lab Puppies For Sale – 458-488-5919

MEET YOUR FAVORITE BOOKS in : http://educenter.clickheres.com/?book=B077WXP3KG

MORE THAN 4.5 MILLION E_BOOKS READY TO D.O.W.N.L.O.A.D NOW
FIND THE IMPORTANT BOOK FOR ALL AGES – TO READ THIS MONTH AND HAPPY.
READ ANYWHERE, ANYWHERE.
HAPPY READING

White Arabian Mare – Silver Shadow