The biological and immune systems of mongrel dogs are not overwhelmed by generations of preventative health care. (thedogplace.org)
Padgett said that his files include information on 102 genetic defects identified in mongrel dogs, more than double the number identified in the Cocker Spaniel, one of the country's most popular breeds. (canismajor.com)
Rush doesn't even qualify as a pesky little mongrel dog nipping at the Pope's heels. (religion.blogs.cnn.com)