River Bottom Mastiffs

River Bottom Mastiffs is a mastiff breeder in Columbia, MS, serving Marion County and the Pine Belt near Hattiesburg. Haleigh Reid participates in national mastiff clubs and follows breed club guidelines for hip and elbow clearance and cardiac screening.

Puppies are raised in a home setting with careful handling to encourage early socialization alongside children and household pets. Adults live in a rural environment with daily family interaction and ample outdoor space for exercise. Many graduates of River Bottom Mastiffs find roles as family companions and therapy dogs, reflecting their breed’s steady nature.

River Bottom Mastiffs maintains a small number of litters each year to ensure personalized care for each puppy. Prospective owners receive guidance on feeding, training, and ongoing health maintenance. Each puppy spends its first eight weeks in the main house before transitioning to a secure outdoor paddock to learn independence.

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