Table 1. Ingredient and determined nutrient composition (%, as fed basis) of the experimental diets (n=4)

	PM	S	WBGS	C	p-value
Moisture (%)	19.40±0.13^b	18.82±0.08^c	79.07±0.07^a	11.71±0.32^d	0.000^***
Crude ash (%)	09.10±0.07^a	07.90±0.09^b	06.14±0.09^c	02.42±0.28^d	0.000^***
Crude protein (%)	31.37±0.03^b	22.49±0.03^c	35.26±0.06^a	10.45±0.25^d	0.000^***
Crude fat (%)	05.04±0.07^b	03.71±0.02^c	10.36±0.03^a	02.45±0.12^d	0.000^***
Crude fiber (%)	11.74±0.76^b	04.82±0.22^c	49.11±0.12^a	02.92±0.56^d	0.000^***
Polyphenols (mg Eq gallic acid/g DM)	1,525.23±104.2^a	263.38±18.5^c	457.55±27.4^b	199.23±0.07^c	0.000^***
Vitamin E (mg/100 g)	10.02±0.07^b	03.31±0.02^c	13.20±0.03^a	01.83±0.04^d	0.000^***
C6:0	0^c	0.23±0.01^b	0.52±0.05a	0.18±0.07^b	0.000^***
C8:0	0^d	0.15±0.02^b	0.22±0.04^a	0.11±0.01^c	0.000^***
C10:0	0^b	0.25±0.02^a	0^b	0^b	0.000^***
C12:0	0.10±0^b	0.40±0.03^a	0.10±0.0^b	0.01±0^c	0.000^***
C14:0	0.51±0.01^c	01.66±0.07^a	0±0^d	01.28±0.12^b	0.000^***
C14:1	0^b	0.06±0.03^a	0^b	0^b	0.002^**
C15:0	0.06±0^c	0.17±0.01^ab	0.21±0.03^a	0.11±0.06^bc	0.001^**
C16:0	08.23±0.03^d	20.73±0.16^c	43.75±0.07^a	26.06±0.04^b	0.000^***
C16:1	0.12±0.01^b	0.61±0.02^a	0.15±0.07^b	0.24±0.06^b	0.000^***
C17:0	0.07±0^b	0.18±0.04^a	0.13±0.01^ab	0.13±0.03^b	0.009^**
C18:0	01.76±0.02^d	04.11±0.02^a	03.79±0.03^b	02.61±0.09^c	0.000^***
C18:1 n-9t	0^b	0.08±0.02^ab	0^b	0.06±0.03^a	0.011^**
C18:1 n-9c	02.95±0.08^d	28.50±0.07^b	21.40±0.18^c	34.21±0.16^a	0.000^***
C18:2c n-6	15.90±0.03^d	33.37±0.14^a	17.40±0.12^c	29.44±0.19^b	0.000^***
C18:3 n-3	47.74±1.37^a	02.56±0.07^b	01.25±0.07^b	01.30±0.08^b	0.000^***
C18:3 n-6	0^c	0.01±0^b	0.03±0.01^a	0^c	0.000^***
C20:0	0.47±0.01^b	0.52±0.02^a	0.50±0.02^a	0.43±0^c	0.000^***
C20:1 n-9	0.07±0.01^b	0.52±0.07^a	0.92±0^b	0.82±0^b	0.000^***
C21:0	0^b	0.12±0.05^b	03.50±0.39^a	0.09±0^b	0.000^***
C22:0	0.25±0.01^a	0.24±0.91^a	0.25±0.03^a	0.23±0.03^a	0.153^NS
C22:1 n-9	0^b	0.91±0.02^a	0^b	0.06±0.04^b	0.000^***
C22:5 n-3	12.40±0.10^a	0^c	0^c	0.44±0.11^b	0.000^***
C23:0	0^b	0.01±0^b	0^b	0.06±0.02^a	0.004^**
C24:0	0.22±0.01^bc	0.33±0.02^a	0.30±0.04^ab	0.23±0.04^c	0.005^**
SFA	11.50±0.27^c	28.98±0.74^b	52.87±11.56^a	31.53±0.08^b	0.000^***
MUFA	03.02±0.30^d	30.62±0.41^b	22.32±0.11^c	35.15±0.02^a	0.000^***
PUFA	76.04±0.43^a	35.94±0.16^b	18.68±3.55^d	31.18±0.04^c	0.000^***

Values are presented as mean±SD.
Superscripts indicate statistically significant differences (p<0.05).
p<0.01,
p<0.001.
PM, pasture Mazouna; S, silage; WBSG, wet brewer’s spent grain; C, concentrate; DM, dry matter; NS, no significant differences; SFA, saturated fatty acid; MUFA, monounsaturated fatty acid; PUFA, polyunsaturated fatty acid.