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Table 1 Chemical composition of hay and casein

From: Intake, digestibility and nitrogen utilization in cattle fed tropical forage and supplemented with protein in the rumen, abomasum, or both

Item Hayb Casein
Dry matter (DM), g/kg as fed 907 ± 8.2 892
Organic matter, g/kg DM 933 ± 0.6 973
Crude protein, g/kg DM 78 ± 0.3 899
NDFapa, g/kg DM 730 ± 7.8 -
NDIPa, g/kg crude protein 360 ± 78 -
Lignin, g/kg DM 58 ± 0.7 -
iNDFa, g/kg DM 391 ± 5.2 -
  1. a NDFap NDF assayed with a heat-stable alpha-amylase and corrected for contaminant ash and protein; NDIP neutral detergent insoluble protein; iNDF indigestible neutral detergent fiber
  2. bMean ± standard error