Abstract
In two experiments two prilled urea products coated with sulphur and wax were given to either adult cows or sheep. In the first experiment administration per rumen fistula of the sulphur and wax-coated urea products resulted in lower concentrations of ammonia in the rumen liquor and blood of cows than did equivalent amounts of nitrogen given as crystalline feed-grade urea. Crystalline urea produced the largest and most rapid increase in the concentration of urea in the blood. In the second experiment with sheep, the addition of either of the sulphur and wax-coated urea products or crystalline feed-grade urea to a basal concentrate diet did not increase the amounts of nitrogen excreted in the faeces, indicating that each supplement was apparently fully digested. This was in contrast with the observation that some partially intact sulphur and wax-coated urea prills were present in the faeces.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callDisclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
