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Effect of mannan oligosaccharide supplementation on carcass, cut up, and giblets yield in sexed broilers

Published: November 25, 2013
By: Faisal Hussnain, Muhammad Akram, Imran Zahoor, Muhammad Hayat Jaspal, Rabia Naeem, Urooj Khan, Muhammad Usman, Muhammad Zeeshan
Summary

Mannan oligosaccharides are being used as a replacement of antibiotic growth promoters worldwide now a day. The present trial focused on effect of different levels of mannan oligosaccharide (MOS) supplementation on meat yield and sensory properties. 96 broilers were randomly picked from a flock of 240 birds divided in two sexes fed diets supplemented with 4 levels (0 %, 4 %, 6 %, and 8 %) of Bio-MOS (Alltech Inc.) replicated three times with 10 birds in each replicate. The data were collected for carcass, cut up (Breast, Thigh, Drumstick, Fillet, wings, and ribs and back), and giblets yield (neck, liver, gizzard, heart). The data were analyzed with analysis of variance (ANOVA) in factorial arrangement using SAS 9.3. The means were compared using Duncan’s Multiple Range test. Results showed significant decrease in abdominal fat (%) and dressing (%) with increase in MOS levels. However, non-significant differences were observed for dressing (%) among different MOS levels. Females showed better dressing (%) and lower abdominal fat (%) than that of males. However, other parameters were neither affected by MOS nor by sex. Furthermore, dressing (%) was observed to be decreased with MOS supplementation only in males while abdominal fat (%) significantly decreased in both males and females. While, at different MOS levels neck, thigh, ribs and back, and abdominal fat (%) showed significant differences. Thus it can be concluded from the present study that MOS can be used in broiler diets to obtain lean meat with slight compromise in dressing (%).

Keywords: Cut-up, mannan oligosaccharide, sensory evaluation, and sex

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Authors:
Mr. Faisal Hussnain
UVAS, Lahore-Pakistan
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