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Fermented Colostrum or Milk Replacer for Growing Calves¹

Department of Animal Science University, St. Paul 55108
and West Central Experiment Station, Morris 56267

ABSTRACT

Holstein calves were assigned to experimental diets of milk replacer or fermented colostrum to measure the effects of these diets on growth, health, and feed intake. Calves were fed .32 kg dry milk replacer reconstituted with warm water or 2.27 kg fermented colostrum once daily. Calf starter (17% crude protein) was offered ad libitum beginning at 4 days of age. Calves were weaned at 28 days of age or continued on liquid feed until they consumed .45 kg starter/day. Weight gains during 0 to 4 wk were less for calves fed replacer (2.8 versus 6.3 kg), but weight gains during 4 to 6 wk (5.1 versus 5.1 kg) and the 0 to 12 wk gains (22.5 versus 25.5) did not differ. Calves fed sour colostrum were weaned at 29.8 days whereas those fed milk replacer were weaned at 33.2 days. Starter intake for calves fed colostrum was greater during 0 to 6 wk. The incidence of diarrhea did not differ between treatments.

¹ Scientific Journal Series Paper No. 9561, Minnesota Agricultural Experiment Station, St. Paul 55108.

² Milk Specialities Company, Box 228, Dundee, IL 60118.