Effects of graded levels of microbial fermented or enzymatically treated dried brewer’s grains on growth, digestive and nutrient transporter genes expression and cost effectiveness in broiler chickens

Table 4 Effects of different level of fermented or enzymatically treated dried brewers’ grains on the economic indices

Treatments¹	Feed cost²	Total expenses	Total revenue	Gross margin	benefit cost ratio	Cost/ kg BW gain
NC	1.61^b	2.71^b	3.79^c	1.07^g	0.66^e	0.69^a
PC	1.70^a	2.80^a	4.01^b	1.21^e	0.70^d	0.68^a
FDBG5%	1.57^c	2.67^c	4.05^b	1.38^c	0.87^b	0.61^bc
FDBG10%	1.52^d	2.62^d	4.21^a	1.58^a	1.04^a	0.58^d
FDBG15%	1.44^f	2.53^f	3.80^c	1.28^d	0.89^b	0.60^c
DBG5%+Enz	1.46^e	2.56^e	4.06^b	1.50^b	1.02^a	0.56^d
DBG10%+Enz	1.42^g	2.56^e	3.66^d	1.14^f	0.80^c	0.62^b
DBG15%+Enz	1.46^e	2.52^g	3.44^e	0.88^h	0.60^f	0.68^a
SEM	2.59	2.59	0.003	0.006	0.006	1.15
P-value	<0.001	<0.001	<0.001	<0.001	<0.001	<0.001

^a-hMeans within the same column carrying different superscripts are significantly different at P < 0.05. ¹Treatments include: NC (negative control), PC (positive control), FDBG5% (5% fermented dried brewers grains), FDBG10% (10% fermented dried brewer grain), FDBG15% (15% fermented dried brewers grains), DBG5%+Enz (5%dried brewers grains mixed with enzymes), DBG10%+ Enz (10% dried brewers grains mixed with enzymes), DBG15%+Enz (15% dried brewers grains mixed with enzymes).²Cost/kg diet$ = NC (0.411) , PC (0.415), FDBG5% (0.388), FDBG10% (0.381), FDBG15% (0.370), DBG5%+Enz (0.367), DBG10%+Enz (0.362), DBG15% +Enz (0.359). price/kg meat = $ 1.52. fixed costs = $ 1.1

ISSN: 1746-6148