Growth Performance, Carcass Characteristics, Lipid Profiles And Hematological Responses Of Broiler Finishers Fed With Leaf Meals Derived From ‘Ntong’ (Ocimumgratissimum) And ‘Utasi’ (Gongronemalatifolium)”
Journal Title: IOSR Journal of Pharmacy (IOSRPHR) - Year 2013, Vol 3, Issue 8
Abstract
There is a need to identify new sources of poultry fodder in order to meet the growing demand for animal protein in the developing world. To this end, experiments were conducted to determine how the inclusion of Ocimumgratissimum (“Ntong”) and Gongronemalatifolium (“Utasi”) leaf meals in the diets of broiler finishers affect the birds’ growth performance, carcass characteristics, hematological indices and lipid profiles.Fresh leaves of the two plant species were dried and pulverized and then mixed with conventional feeds in various proportions to produce seven experimental diets that were fed to groups of broiler finishers. The chemical composition of each diet was determined by proximate analysis. Diet 1 (the control) contained no leaf meal (0%); diets 2, 3 and 4 contained 1%, 6% and 11% Ocimum Leaf Meal (OLM), respectively; and diets 5, 6 and 7 contained 1%, 6%, and 11% Gongronema leaf Meal (GLM), respectively The feed intakes of the control and treatment groups (120.3g, 120.8g, 120.43g, 114.2g, 120.1g, 119.0g and 117.2g/day) did not differ significantly (p>0.05). However, the body weights of the birds in different treatment groups did (p<0.05). Notably, birds consuming the 1% OLM (1683.0g) and 11% GLM (1716.6g) diets had lower final weights than did birds in the control group. In addition, there were significant differences (p<0.05) between the treatment groups with respect to carcass characteristics.The blood indices and lipid profiles of the studied birds were significantly (p<0.05) affected by the inclusion of the leaf meals, although the values of the hematological indices were generally low. These results suggest that Ocimumgratissimum and Gongronemalatifolium leaf meals have considerable potential as supplementary components of broiler finisher diets in developing countries but further investigations will be required to determine the optimal level of inclusion for these meals, to identify the bioactive compounds they contain, and to develop appropriate detoxification procedures to mitigate their potential adverse effects on growth performance.
Authors and Affiliations
Essiet, Akanimo Gordon, Solomon Isongesit P.
Keywords
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