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Holstein Friesian - Wikipedia
Holstein-Friesian | Dairy Cattle, Milk Production & Breeding
Friesian Cattle: Facts, Uses, Origins & Characteristics (With Pictures)
Holstein Friesian Cattle: Guide, Info & Facts - CowCaretaker
Holstein Friesian Cattle: Origin, Characteristics, Uses, Photo
Holstein - The Cattle Site
Holstein-Friesian cattle - Encyclopedia.com
Holstein Friesian Cattle - Farmow
Holstein Cows: Guide, Info & Facts - CowCaretaker
Holstein Cows – Breed Profile, Facts and Care - YouTube