Buy a Chester White boar from Silver Bridge Farm. This 9-month-old, 320 lb CWSBA-registered all-white boar is prized for breed longevity and improving sow durability when used in dam-line programs. Ch…ester Whites are gaining momentum in heritage pork and organic swine programs for their docility and sustainable management profile. Good libido confirmed in handler assessment. Current on Erysipelas, Leptospirosis, and PCV2 vaccines. Parasite-free. Chilled nationwide semen shipping available. Papers and breed documentation included on purchase.