J. Anim Sci.
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J. Anim Sci. 1962. 21:757-761.
© 1962 American Society of Animal Science
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Effect of Foliar Application of Urea, Glucose and Calcium Carbonate on Bloat in Lambs1

Donald Warner, Keith Smith and Walter Woods

Iowa Agricultural and Home Economics Experiment Station, Ames

Abstract

The foliar application of urea, glucose and calcium carbonate was studied in a series of trials with lambs grazing alfalfa. The compounds were applied in a solution by the aid of a knapsack sprayer from 24 to 48 hours prior to grazing the alfalfa. The foliar application of urea at the equivalent rate of 40 lb. per acre significantly increased the severity of bloat, but lower levels had no appreciable effect. The foliar application of glucose increased the degree of bloat in some comparisons but not in others. In trials in which the glucose increased bloat, the lambs reached a severe stage of bloat faster than the control or other treatment groups. Urea and glucose applied in combination did not increase the bloat to a greater degree than when either was added alone. Calcium carbonate applied at the rate of 20 lb. to the acre increased the severity of bloat in lambs. The total nitrogen and nitrogen soluble in 0.02 N sodium hydroxide in alfalfa tops were increased by the foliar application of urea; however, the TCA precipitable nitrogen was not increased by the urea treatment. Glucose or calcium carbonate application did not influence these measurements.

Footnotes

1 Journal Paper No. J-4329 of the Iowa Agricultural and Home Economics Experiment Station, Ames, Iowa. Project No. 1267. Supported in part through funds provided by Regional Project NC-27.






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Copyright © 1962 by the American Society of Animal Science.