Abstract:
:The current study designed to evaluate the effect of oligosaccharide supplemented diets on growth performance, histomorphometric changes, economic efficiency and genetic expression of some growth and immunity-relative genes. One hundred and twenty weaned male rabbits, six weeks of age of two breeds (NZW and APPRI) were randomly allocated into six equal groups; the first supplemented with 0.3% Mannan-oligosaccharide (MOS), the second supplemented with 0.05% Isomalto-oligosaccharide (IMO) and the third considered a control group. Each group contained ten equal replicates. The highest Final body weight and feed consumption were recorded in MOS and IMO groups compared with control. Fortified feed diet with IMO significantly increased duodenal villi area and length than MOS and control groups. At the same time, Spleen white bulb area and length were significantly higher in MOS and IMO than control. Supplementation of MOS and IMO significantly improved carcass traits, economic efficiency and induced certain modifications in some major key genes involved in the regulation of nutrients metabolism, immunity and growth in different tissues. In conclusion, dietary supplementation of MOS and IMO had a desirable positive impact on productive and economic efficiency in the rabbit.
journal_name
Anim Biotechnoljournal_title
Animal biotechnologyauthors
Abd El-Aziz AH,El-Kasrawy NI,Abd El-Hack ME,Kamel SZ,Mahrous UE,El-Deeb EM,Atta MS,Amer MS,Naiel MAE,Khafaga AF,Metwally AE,Abo Ghanima MMdoi
10.1080/10495398.2020.1800485subject
Has Abstractpub_date
2020-07-31 00:00:00pages
1-12eissn
1049-5398issn
1532-2378pub_type
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