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Background: Tejpatta leaves are well known for their use as spice in food for taste and aromatic purposes. It is mainly used for flavoring food and widely used in pharmaceutical preparation because of its hypoglycemic, stimulant, carminative, antidiabetic, antibacterial, antioxidant, anti-ulcer and antimicrobial properties. Keeping the aforementioned properties in view, the present study was to evaluate the effect of dietary supplementation of Tejpatta leaf powder on growth performance and haemato-biochemical parameters of broilers for boosting poultry industry production. Methods: Two hundred and twenty five day-old chicks were randomly assigned into five dietary treatment groups (T1-T5) using CRD, each consisting of 45 chicks with roughly equal average body weights. Each group of 45 chicks was subdivided into three replicates (R1, R2 and R3) having 15 chicks per replicate. The T1 group fed basal diet only, while T2, T3, T4 and T5 groups were fed Tejpatta leaf powder @ 0.25%, 0.75%, 1.25% and 1.75%, respectively, along with basal diet. Result: Significant (P less than 0.01) effect on growth characteristics was noticed in broiler chicks due to dietary supplementation of Tejpatta leaf powder. Significantly (P less than 0.01) higher body weight, weekly body weight gain, average daily body weight gain and performance index was noticed in T4 group and lowest was observed in T1 group. Significantly (P less than 0.01) higher feed intake was observed in T5 group and lowest was in T1 group. Lowest feed conversion ratio was observed in T4 group and highest in T1 group. Non-significant effect on hemoglobin, packed cell volume, red blood corpuscle count, serum glucose, total protein and cholesterol and creatinine levels was observed in various treatment groups. It was concluded that supplementing broiler diet with Tejpatta leaf powder @ 1.25% could be beneficial for improving broiler chick growth performance and hemato-biochemical parameters while having no adverse effects on broiler chicks.
Chaudhary et al. (Mon,) studied this question.