J. Anim Sci.
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J. Anim Sci. 1951. 10:1017-1021.
© 1951 American Society of Animal Science
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Vitamin B12 vs. Vitamin B12b for Cobalt Deficient Sheep

Berl A. Koch and Sedgwick E. Smith

Cornell University1

Abstract

It has been demonstrated that vitamin B12b is as effective as vitamin B12 in curing a cobalt deficiency in lambs. Cobalt deficient lambs injected with 100–125 mcg. per week of vitamin B12 made excellent gains in weight over a period of 12 weeks, a length of time comparable with the usual commercial fattening period.

Footnotes

1 Department of Animal Husbandry.






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