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Utilization of Blackstrap Molasses, Urea in Molasses, and Ammoniated Molasses by Dairy Heifers¹

South Carolina Agricultural Experiment Station, Clemson

ABSTRACT

Experimental results have shown that blackstrap molasses in the ration of cattle is worth 67% (13) to 100% (4) as much as corn. Davis et al. (5) have found that when molasses was fed to dairy heifers in amounts up to six pounds per day, the total digestible nutrients appeared to be as available as those furnished by corn. Bray et al. (3) showed that the most efficient amount of molasses to feed was three to four pounds per head daily.

Reid (15) has recently reviewed the use of urea as a protein replacement. Urea mixed in molasses and fed with low-protein basal rations was utilized well by steers (7, 20). Soybean meal (7) and cottonseed meal (20), however, were found to be somewhat superior to urea. Other research (2, 12) has shown that a better utilization of urea was obtained from rations containing starch, than from those containing sugars.

¹ Technical Contribution No. 262, South Carolina Agricultural Experiment Station.

² Dairy Department.

³ Dairy Department.

⁴ Agricultural Chemistry Research Division.