Many Molossers, including Mastiffs, have difficulty maintaining pregnancy. Low progesterone may be the culprit.
Here's a concept: Working dogs that actually can work! Read all about the the basics for drafting, or cart work.
They say Mastiffs are like Fritos: You can’t have just one. Here's how to manage a crop of them.
Not only are Mastiffs addictive ... breed collectibles are, too! Gabrielle Simmonds of Australia shares her collection.
Meet "Gunner," the Mastiff star of this 1993 family-movie classic.

Mastiff in plaster, sculpted by Bolté more than 40 years ago.
Damara Bolté immortalized Mastiffs on her lead, and in her art.
Modern Molosser asked six Mastiff breeders from around the world for their opinions on the state of the breed today. Here are their responses. */
A 19th-Century account of the Mastiff captures a new English breed just as its roots are set in American soil.

Betty Baxter at Farnaby in 1975.
Janine Morffew interviews the long-time Mastiff breeder-judge and author. */
A point-by-point visual guide to the AKC Mastiff standard. */ */