Abstract

Many herbal supplements are tested for theirs efficacy in poultry to replace the antibiotic growth promoter. Hence this study was carried out to find the effect of a blend herbal preparation (Ocimum sanctum, Zingiber officinale, Allium sativum, Trigonella foenum graceum and Curcuma longa) on the vital parameters in layers. An experimental trial for three weeks was carried out on 80 layers aged 11 weeks. Birds were randomly divided to 4 groups with 2 replicate for each group and supplemented by herbal preparation @ 0.1 percent, 0.25 percent and 0.5 percent in feed. The results indicated a significant increase in the red blood cells count, white blood cell count, total protein, albumin, globulin, calcium, phosphorus and reduction in the enzyme aspartate aminotransferase and alkaline phosphatase with alanine aminotransferase in the normal range. The significant increase in the vital parameters, decrease in hepatic enzymes inside the clinically healthy condition denote that the birds were in good health. Birds increased nutrient utilization, improved oxygen carrying capacity and caused active immune system. The better absorption of minerals like calcium and phosphorus signifies the role of herbs in enhancing digestion performance. Oral feeding caused a normal activity of hepatic enzymes which can prove safety and hepatoprotective nature of these herbs. Therefore, it can be concluded that supplementation of these herbs in the layer feed could be important in prevention of diseases in birds. However further studies are recommended to indicate the toxic levels of these herbs and optimize the beneficial dosage in diet of layer birds.