Abstract
Aim:The present study was conducted to explore the effect of supplementation of Withania somnifera and synbiotics alone or in combination on the composition of broiler breast meat under heat stress conditions.Materials and Methods:A 42-day feeding trial was conducted on 360 broiler chicks randomly allotted into eight treatment groups with three replicates each under completely randomized design. The T1 group was kept as control whereas T2-T4 were supplemented with 0.5%, 1%, and 1.5% W. somnifera root powder; T5 and T6 were supplemented with 0.025% and 0.050% synbiotic and T7 and T8 were fed on diet containing 0.25% W. somnifera+0.025% synbiotic and 0.50% W. somnifera+0.05% synbiotic, respectively. Three broilers from each replicate were sacrificed at the end of the trial to estimate crude protein (CP), ether extract and ash content of the breast muscle on dry matter basis.Results:Significantly higher CP values and lower ether extract values were observed in 1.5% W. somnifera supplemented group (T4) or in group supplemented with 0.50% W. somnifera and 0.05% synbiotic (T8). The ash content of breast meat was observed non-significant in T1-T4 groups however the inclusion of synbiotics in T5-T8 groups significantly raised the ash contents.Conclusion:The study concluded that inclusion of 0.5% W. somnifera with 0.05% synbiotic substance enriches the total protein content and reduces the total lipids content of broiler breast meat under heat stress conditions.
Highlights
Poultry meat is an excellent source of high-quality protein, vitamins and minerals for human nutrition
Significantly higher crude protein (CP) values and lower ether extract values were observed in 1.5% W. somnifera supplemented group (T4) or in group supplemented with 0.50% W. somnifera and 0.05% synbiotic (T8)
The study concluded that inclusion of 0.5% W. somnifera with 0.05% synbiotic substance enriches the total protein content and reduces the total lipids content of broiler breast meat under heat stress conditions
Summary
Poultry meat is an excellent source of high-quality protein, vitamins and minerals for human nutrition. India ranks 5th in broiler meat production and contributes nearly 2.53% of world’s chicken meat production [1]. The poultry sector contributes 1% of gross domestic product (GDP) and 11% of livestock GDP in India. Huge economic losses often occur in broiler industries through decreased consumer acceptance, transportation and storage losses caused by deterioration in meat quality under higher ambient temperature and erratic climatic pattern. The impact of global warming has further worsened the situation. The semiarid region of Bikaner (Rajasthan) is known for its harsh, extreme climate with scanty and erratic rainfall
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