We Health Test & Certify Our Sires & Dams

(OFA Hips, OFA Elbows, OFA Patella, OFA Thyroid, OFA Heart, & CERF)
PLUS the Following New DNA Tests: OFA CMR, & OFA PRA


The Mastiffs Tested World-wide as of March 24, 2012 Have the Following Statistics Related to Their OFA Testing:
OFA Hips 19.3% failed - OFA Elbows 14.6% failed - OFA Thyroid 14.4% failed - OFA Heart 0.9% failed - OFA Knees 0.3% failed

Canine Health Information Center (CHIC)

Database jointly sponsored by the AKC/Canine Health Foundation (AKC/CHF)
and the Orthopedic Foundation for Animals (OFA).
REQUIRED CHIC TESTS: Elbow; Hips; Cardiac; and Eyes
OTHER OFA TESTS: Patella; Thyroid; CMR; and PRA

Johnson Farms Mastiffs – Four Generations of CHIC Certified Dogs

From CHIC No. 4949 (1996) to CHIC No, 79520 (2012)

Health Testing Results

Our Dogs' Annual Health/Feed Plans Include:

2 Annual Vet Check-ups with Blood Work & Urine Analysis
Interceptor Heart Worm & Front Line Tick Preventatives
Annual: Chest X-rays, EKGs, & Teeth Cleanings
Comprehensive Immunization Protection
Purina Pro Plan & Purina ONE Feed

Mastiffs: Loyal, Obedient, and Affectionate