HIGHLIGHTS
SUMMARY
The postruminal urea (PRU) protein supplement contained 12.7% post-ruminal urea (NPN equivalent/conventional urea) with 50% CP, and the combination (U + PRU)-protein supplement 4 of 23 contained 11.3% of conventional urea and 8% of post-ruminal urea, increasing the level of NNP with the inclusion of post-ruminal getting with 70% CP. Item Ingredients (%) Soybean meal Kaolin * Ground corn Urea Post-ruminal urea Minerals Composition (% dry-matter) Crude Protein Dry matter Mineral matter Ether extract NDF Non-protein nitrogen CONT PRU U + PRU NDF: Neutral detergent fiber. CONT: Conventional urea . . .
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