Abstract
The study included 300 unsexed broiler chicks (Hubbard) were used to evaluate (Roselle Flower) as a feed additives on the productive performance of broiler. The chicks were divided into five groups with three replicates (20 birds in each) and fed on five diets. Diet 1 (control group) dried Roselle flower powder were supplemented to the diet 2, 3, 4 and 5 as 0.25, 0.5, 0.75 and 1% respectively. The result revealed that a significant (P<0.05) increase in body weight, body weight gain, feed consumption and improvement in feed conversion ratio. Although the differences between groups for edible parts percent were not significant (Heart, Liver and Gizzard). The hematological values PCV%, RBC, WBC and H/L ratio were increased significantly (P<0.05) and cholesterol values decreased significantly as compared with control group. It can conclude that Roselle as other herbal plants may be considered as a feed additive in broiler diet would improve the productive performance, hematological and biochemical values of broiler. Diet Roselle flower supplementation of (1g/kg) might be acceptable for achieving optimum broilers performance.
Highlights
Body weight gain, feed consumption and conversion ratio were significantly (P
Authors (18) reported that there was a positive correlation between vitamin C, which increase the metabolism of phenylalanine and tyrosine, that main amino acid in thyroid hormones synthesis and maintain growth hormone secretion as a result of the increase in basal metabolism
Table,[3] shown the hematological and biological values, there were significant (P
Summary
The experiment involved three hundred many properties corresponding to biological one-day old mixed sixes chicks (Hubbard). They were obtained from local hatchery and placed in closed house. Chicks were fed on the starter diet (3000 Kcal ME/Kg, 21.3% CP as dry matter basis) for the first three weeks of the experiment. They were fed on grower period (3086 Kcal ME/Kg, 19.5% CP as dry matter basis) during 3-6 weeks of the experiment. Chemical composition of the basal diet is presented in (table, 1). 1: Chemical composition of the basal chick diet in different periods of the experiment
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