PIETRAIN STRAIN. Black Mottle out of imports from Frank Scherens & Louis Vangramberen Pietrain strain. Middle to long distance family. Very beautiful birds . This bird is almost finished its molt and should stay black. Most babies from this strain are born black and molt out some times 85% white. This bird will throw black mottles. The solid blacks are needed or this strain will have to much white. Either color will race well.A copy of the parents pedigree will be included.