Section 14
Chapter 13,842

Studies on aureomycin and vitamin B12 supplementations for dairy cows. 2. Effect on production, composition, and vitamin B12 content of the milk

Rusoff, L.L.; Haq, M.O.

J. Dairy Sci 37: 677-683


Accession: 013841580

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Three groups of 5 lactating Holstein cows were given a protein and grain ration with or without an aureomycin supplement supplying 130 mg. per head daily, or a vitamin B12 supplement giving 0.83 mg. daily. Neither supplement had any effect on milk production or on the fat, total solids, solidsnot-fat, total protein, casein, ash, Ca or P of the milk. Addition of vitamin B12 did not increase the amount of the vitamin in the milk.

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