A feeding trial was recently conducted at the Cairo University in Egypt (2013 Abdfattah) to evaluate the impact of dietary fortification of non-antibiotic growth promoter feed additives on performance, immune status and gut integrity of broiler chicks
The feeding trial was carried out using 180, one day-old Cobb broiler chicks into three groups (3 replicates x 20 animals): control group, essential oils (EO = carvacrol, cinnamladehyde and capsicum) with 100 g/MT and GUSTOR BP70 with 750 g/MT. The influence of dietary supplementation of EO and GUSTOR BP70 resulted in significant improvements (p
Results of the histopathological examination of jejunum at the end of the experiment indicated that birds from the control group showed signs of enteritis, however the microscopical appearance of small intestine in diets supplemented with EO or GUSTOR BP70 revealed a marked increase in villus surface area with intact epithelium and increase in globet cell numbers (GUSTOR BP70 group) compared to control. We conclude that dietary supplementation of EO or GUSTOR BP70 has a positive effect on broiler performance, immunity and gut integrity
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