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Synthetic Rations for the Dairy Calf¹

Division of Animal Nutrition and the Department of Dairy Husbandry, University of Illinois, Urbana, Illinois

ABSTRACT

1. A synthetic milk has been developed for the young dairy calf. This ration will support good growth over a period of 12 weeks from birth. The animals raised on this diet were healthy and thrifty in appearance.
   
2. On rations containing liberal amounts of vitamin A, the young dairy calf does not require vitamin C.
   
3. Calves that received soybean oil in the diet grew poorly, scoured, and appeared unthrifty, whereas the animals that received the rations prepared with lard showed good gains in weight, did not scour, and appeared normal and healthy.
   
4. The calves did much better in all respects when fed the synthetic milk diet than when solid diets fed as a slurry were used.
   

¹ This investigation was supported by funds donated by Swift and Co. of Chicago, Illinois, and carried out with the advice of a committee appointed by the Director of the Agricultural Experiment Station and consisting of the following members: H. E. Carter, T. S. Hamilton, B. C. Johnson, W. B. Nevens, H. E. Robinson, H. Spector, A. C. Wiese, and H. H. Mitchell, Chairman. We are also indebted to Hoffmann-La Roche, Inc., Nutley, New Jersey, through the courtesy of Dr. J. C. Bauernfeind, for supplies of thiamin, riboflavin, nicotinic acid, pyridoxin, calcium pantothenate, ascorbic acid, and biotin; to Merck and Co., Rahway, New Jersey, for choline; to Corn Products Refining Co., New York, for inositol; to Lederle Laboratories, Inc., through the courtesy of Dr. E. R. L. Stokstad, for pteroyl-glutamic acid; and to Gelatin Products, Detroit, for vitamin A and D capsules.

² Present address: Department of Agricultural Chemistry, University of Idaho.