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This research aims to evaluate how feeding colostrum once or twice affects growth and passive transfer immunity in Holstein calves.

May 21, 2026Applied Animal ScienceOpen Access

Effects of colostrum feeding frequency on passive transfer immunity and growth in Holstein calves

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This research aims to evaluate how feeding colostrum once or twice affects growth and passive transfer immunity in Holstein calves.
70 Holstein calves were assigned randomly to 1-feeding (n=34) or 2-feeding (n=36) groups.
Both groups received 4 L of colostrum after birth; the 2-feeding group received an additional 2 L later.
Body weight, withers height, and serum measurements were taken at various time points.
No significant differences in body weight, withers height, or average daily gain between the feeding groups.
On day 3, mean STP was higher in the 2-feeding group (7.4 g/dL) compared to the 1-feeding group (7.1 g/dL).
All immunological measures remained above critical thresholds, indicating successful passive immunity transfer.

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Randomized trial examines colostrum feeding frequency effects on immunity and growth in Holstein calves, indicating feeding once is sufficient.

Lund et al. (2026) studied this question.

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Randomized trial examines colostrum feeding frequency effects on immunity and growth in Holstein calves, indicating feeding once is sufficient.