highly significantp ≤ 0.01
In the first week of calves’ life, an upward trend in the urinary albumin excretion rate was observed, while in kids, a highly significant ( p ≤ 0.01) increase in the urinary albumin excretion rate was recorded only in the first 24–48 h of life (from 0.26 to 0.43 mg/min/m 2 BSA).