UNIVERSITY PARK, Pa. — Bovine respiratory disease (BRD) — a type of pneumonia — is the leading cause of death for dairy calves after they become accustomed to food other than their mothers’ milk, resulting in economic losses at over $1…

UNIVERSITY PARK, Pa. — Bovine respiratory disease (BRD) — a type of pneumonia — is the leading cause of death for dairy calves after they become accustomed to food other than their mothers’ milk, resulting in economic losses at over $1…