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AN110: Colostrum Management in Newborn Calves

Figure 1. Effect of passive immune status (blood immunoglobulin concentrations) on newborn Holstein heifer survival - National Dairy Heifer Evaluation Project. USDA:APHIS:VS. Survey represents 1,811 farms in 28 states with 2,177 heifers sampled between 24 and 48 h after birth.