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Table 1 Ingredients and chemical composition of the diets (DM basis)

From: Effects of urea plus nitrate pretreated rice straw and corn oil supplementation on fiber digestibility, nitrogen balance, rumen fermentation, microbiota and methane emissions in goats

Items Treatment1
Control UN UNCO
Ingredients, g/kg
 Untreated rice straw2 500
 Urea plus nitrate pretreated rice straw3 500 500
 Soybean meal4 80.0 80.0 65.0
 Corn grain 292 292 277
 Wheat bran 98.0 98.0 98.0
 CaCO3 1.00 1.00 1.00
 CaH2PO4 4.00 4.00 4.00
 NaCl 5.00 5.00 5.00
 Premix 20.0 20.0 20.0
 Corn oil5 30.0
Chemical composition, g/kg
 OM 910 910 921
 CP 105 121 119
 NDF 468 458 440
 ADF 271 266 257
 GE, MJ/kg 16.2 16.3 16.3
 EE 10.2 10.2 40.2
 Nitrate 2.33 2.33
  1. 1UN urea plus nitrate pretreated rice straw, UNCO combination of UN and corn oil
  2. 2Rice straw contained 898 g OM, 34.4 g CP, 766 g NDF and 470 g ADF per kg DM
  3. 3Urea plus nitrate pretreated rice straw contained 898 g OM, 68.1 g CP, 744 g NDF and 458 g ADF per kg DM
  4. 4Contained 442 g CP per kg DM
  5. 5The corn oil was supplied by Wilmar International Ltd., Wuhan, China. Composed of 15% saturated fatty acids, 32% monounsaturated fatty acids and 53% polyunsaturated fatty acids