Our foundation stock comes from, Mill Creek Mastiffs.
We at Ducky's & Mammoth Mastiffs, breed for quality, health, longevity, sound temperament, and conformationally breed to the; Old English Mastiff Club Standard.
WE DO NOT SHIP!!!
You will not find a pedigree anywhere in the world with old time known dogs like what we have.
We will be there for our puppy buyers as long as you need us.....
We thank our puppy buyers for being wonderful puppy owners and giving us that opportunity to get to know you as family... We wish you all the best and we will be there for you and with you as long as you need us... Again, Thank you!!!
We reserve the right to refuse sale at anytime without further explanation.
No graphics, pictures, or content on any of the pages contained with in this site maybe copied, modified, distributed, produced, published, or posted without the express written consent of, "Mammoth Mastiffs".
Established in Mastiffs since 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016
All rights reserved.
To Whom It May Concern: There has never been a dog bred by or sold by Mill Creek Mastiffs or Mammoth Mastiffs or Duckys Mastiffs that tested positive for cystinuria to my knowledge. If anyone knows of one contact me as soon as possible.