Table 1: Percentage of protein, fat/oil, crude fiber, carbohydrates, and ash, on a dry matter basis, reportedly found in SCR.

ProteinCrude fatCrude fiberCarbohydratesAshReference

24.0 (18.2–32.2) 15.2 (6.9–22.2)4.5 (9.1–18.6)Bourne et al., 1976 [58]
25.4–289.3–10.9 52.8–58.1 3.8–5.3 Van der Riet et al., 1989 [11]
Guermani et al., 1992 [59]
26.8 12.3 52.9 Ma et al., 1996 [44]
16.1 2.2 52.6 5.3 Hsieh and yang, 2004 [1]
29.3 0.8 53.6 4.0 Muroyama et al., 2006 [4]
33.419.8493.5Préstamo et al., 2007 [60]
25.0 20.0 33.0 Suruga et al., 2007 [61]
28.5 9.8 55.5 2.6 3.6 Redondo-Cuenca et al., 2008 [9]
Mateos-Aparicio et al., 2010c [49]
25.5 12.0 12.2 32.6 4.0 Rashad et al., 2011 [62]