الفهرس 
Materials and methodsOnly 14 pages are availabe for public view
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Abstract
This work was carried out in Department Of Physiology, Faculty of Veterinary Medicine, (Moshtohor), Benha University during period from March 2012- March 2013.
The aim of this work was to investigate the effect of supplementation of prebiotic (Bio-Mos®) to one day old chick Japanese quail till the end of experiment (56 days)on the following parameters:
1- body weight growth.
2- Daily Feed intake and feed conversion ratio.
3- Plasma levels of growth related hormones ( triiodothyroxine (T3), thyroxine (T4) and insulin hormone).
4- internal organ weights.
5- Molecular genetics.
A total number of 480 one day-old quail chicks were used. The chicks were randomly allocated into randomly and equally divided into 4groups (120 per each, three replicates per group). These Japanese quail chicks were fed as following:
Group 1(control group)fed on the basal diet that did not supplemented with prebiotic.
Group 2fed on basal diet with 0.5 gm Bio Mos/kg diet.
Group 3 fed on basal diet with 1gm Bio Mos /kg diet.
Group 4 fed on basal diet with 2 gm Bio Mos /kg diet.
The obtained results can be summarized as follows:
1- Mean body weights of males and females supplemented with the prebiotic were higher than those of control across the whole experimental periods.
2- The present study demonstrated that, dietary supplementation of Bio-Mos resulted in increased daily feed intake in some weeks and decreased feed intake in some other weeks when compared with control group.
3- Feed conversion ratio after 8weeks of age showed non-significant increase due to prebiotic supplementation. At the end of experiment, FCR of control was about 5.68, in 0.5 g BioMos supplemented group was about 6.2, in1g BioMos supplemented group was about 5.36 and in 2 g BioMos supplemented group was about 5.32 .
4- The results of our study demonstrated that, dietary supplementation of Bio-Mos resulted in non-significant decrease in plasma triiodothyronione (T3) during all experimental periods except in 1st week T3 concentration significantly (p<0.05) decreased as compared with control group. However, dietary supplementation of Bio-Mos resulted in non-significant differences in plasma thyroxine (T4) concentrations during all experimental periods.
5- This study demonstrated that dietary supplementation of Bio-Mos resulted in significant (p<0.05) increase in plasma Insulin during all experimental periods.
6- This study demonstrated that dietary supplementation of Bio-Mos resulted in non significant increase of internal organ weights during all experimental periods.
7- Results of PCR presented that, three monomorphic bands (HB8: 372, HB8: 273, HB8: 230) were observed for control with treated groups from 25 bands, one monomorphic band (HB10:388) from 22 bands and one monomorphic band (HB11:488) from 9 bands. from these results, the percentages of polymorphism were 88 %, 95.4 % and 88.8% with HB8, HB10 and HB11, respectively .
Finally, using of Bio-Mos® give increase in body weight and also breeding in cages is more benefit for increase of the body weight in Japanese quail if compared to deep litter system.