author(s)
Mpho Nametso Moilwa, Raj Kumar, Debashis Roy, Nazim Ali, SP Yadav, DS Sahu and Kartik Tomar

abstract
A study was conducted to evaluate the effect of prebiotics supplementation on carcass quality traits in the commercial broiler. One hundred and sixty day-old broiler chicks (Cobb 400) were randomly assigned to four dietary treatments. Each treatment was replicated four times with 10 birds/replicate. The different levels of MOS (Prebiotics) supplementation on carcass characteristic of broiler chickens as Control (T₁), 1.0 g/kg mannan oligosaccharide supplemented group (T₂), 2.5 g/kg mannan oligosaccharide supplemented group (T₃) and 5.0 g/kg mannan oligosaccharide supplemented group (T₄). The Carcass parameters are pre fasting & post fasting weight, dressing yield, ready to cook yield, Cut of parts & giblet percentage and developments of digestive organs. The results indicated that Pre fasting weight, post fasting weight, dressing yield and ready to cook yield were found to be (P<0.05) significantly different across all the treatment groups. Cut of parts percentage and giblet percentage were found variable among the groups. The following digestive organs, proventicular weight (%), cecal length (%), average cecal length (cm/100gm) and spleen weight (%) of the treatment groups were found to be (P<0.05) significantly different from each other but as for the small intestine weight, small intestine weight (%), the large intestine weight as well as the large intestine weight (%) it was found out that they are not (P<0.01) significantly different across the treatment groups. It was concluded that Supplementation of prebiotic (MOS) up to the level of 5g/kg improves the carcass quality traits without having any adverse effect on growth in commercial broiler.