Effect of sun dry brewer spent yeast on chemical composition, in vitro digestibility, and ruminal degradation kinetics of wheat straw

Table 4 Ruminal dry matter degradation kinetics of wheat straw mixed with dry brewery spent yeast

Inclusion levels	a	b	c	PD	ED
DBSY0	7.65^f	26.29^f	0.024^bc	33.94^f	23.23^f
DBSY10	12.16^e	34.10^b	0.016^d	46.26^e	29.18^e
DBSY20	17.81^d	33.01^c	0.016^d	50.82^d	33.85^d
DBSY30	23.96^c	31.81^e	0.021^c	55.77^c	39.89^c
DBSY40	29.83^b	32.79^d	0.025^b	62.62^b	48.18^b
DBSY50	36.04^a	35.00^a	0.032^a	71.04^a	53.01^a
SEM	0.06	1.24	0.0001	2.45	3.21
P -value	0.05	0.001	0.01	0.05	0.001

Mean values in the rows without common superscripts are different at (p < 0.05)
DBSY0, DBSY10, DBSY20, DBSY30, DBSY40 and DBSY50 mixture ratios of DBSY:WS at 0:100, 10:90, 20:80, 30:70, 40:60 and 50:50 respectively, on dry matter basis
^aSoluble fraction
^binsoluble but slowly degradable fraction
^cDegradation rate constant of the b fraction
PD Potential degradability, ED Effective degradability (at 0.02), SEM Standard error of the mean

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