Comparison of effects of Echinacea purpurea juices and Nigella sativa seeds on performance, some blood parameters, carcass and meat quality of broilers [Elektronische Ressource] / presented by Zahid Nasir

Institute of Animal Breeding and HusbandryUniversity of HohenheimDepartment of Farm Animal Ethology and Poultry ScienceProf. Dr. Michael A. GrashornComparison of effects of Echinacea purpurea juicesand Nigella sativa seeds on performance, some bloodparameters, carcass and meat quality of broilersDissertationSubmitted in fulfilment of the requirements for the degree“Doktor der Agrarwissenschaften”(Dr.sc.agr. / Ph. D. in Agricultural Sciences)to theFaculty of Agricultural Sciencespresented byZahid Nasirborn in Sargodha (Pakistan)Stuttgart-Hohenheim, 2009This thesis was accepted on 22.04.2009 as a doctoral dissertation in fulfillment of the requirementsfor the degree ‘’Doktor der Agrawissenschaften’’ by Faculty of Agricultural Sciences, UniversitätHohenheim Stuttgart, Germany.Date of oral examination: 30.07. 2009Examination committeeDean Prof. Dr. Werner BesseiSupervisor and reviewer: Prof. Dr. M. A. GrashornCo-Reviewer: Prof. Dr. Dr. R. MosenthinAdditional examiners: Prof. Dr. R. BöhmiiTABLE OF CONTENTS1 Introduction 11.1 Background and research objectives 11.2 Design of the study 41.2.1 Preliminary experiments using Echinacea purpurea 51.2.2 Preliminary experiment using Nigella sativa 61.2.3 Experiment to study the comparative and synergistic effects of Echinacea purpureaand Nigella sativa 61.2.4 Statistical analysis 71.3 Structure of thesis 82 General discussion 92.