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Effects of two urea levels on chemical composition and digestibility of whole-crop barley silage and on feedlot performance of lambs


, : Effects of two urea levels on chemical composition and digestibility of whole-crop barley silage and on feedlot performance of lambs. Journal of Science and Technology of Agriculture and Natural Resources 6(4): 127-139

The effect of adding two urea levels (0.5 and 0.75% on fresh basis) to whole-crop barley (WCB) on chemical composition and digestibility in Ghezel rams was studied. The effect of including these silages in the ration of fattening Ghezel and Mehraban rams was also investigated. Urea supplementation of WCB silage resulted in an increase in pH, total nitrogen level, and ammonia-nitrogen concentrations (P<0.05).

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