Feeding Acidified or Sweet Milk Replacer to Dairy Calves

¹ Department of Animal Sciences, university of Illinois, Urbana 61801

The objective of this study was to compare performance of calves fed acidified milk replacer or regular (sweet) milk replacer twice daily at 10% of BW. Thirty-seven female Holstein calves were fed replacers reconstituted to 12.5% DM for 4 wk At 28 d, half of the amounts of milk replacer consumed during wk 4 were fed during wk 5 and calves weaned from replacer at d 35 of age. A pelleted starter feed was offered for ad libitum access throughout the 42-d trial. Body weight was recorded at birth, d 3 of age, and weekly thereafter. Fecal consistency scores were recorded. Other parameters were measured on d 3 and 42. Average daily gains (d 3 to 42) for calves fed sweet and acidified milk replacers were .33 and .38 kg/d. Starter consumption was similar for both treatments. Calves fed acidified milk replacer (d 3 to 28) had a lower (1.4 vs. 1.6) fecal consistency score than those fed sweet milk replacer (scale of 1 to 4, 1 = normal and 4 = watery). Benefits of feeding acidified milk replacer at 10% of BW per day may be in reducing the incidence of some infectious scours, although further experiments are needed to verify this.

Key Words: dairy calves • acidified milk replacer • sweet milk replacer

Submitted on March 9, 1990
Accepted on May 18, 1990

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