PERFORMANCE AND GUT MORPHOLOGICAL INDICES OF BROILER STARTER FED DIETS SUPPLEMENT WITH DRIED MANGO (MANGIFERA INDICA) LEAF POWDER DMLP
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PERFORMANCE AND GUT MORPHOLOGICAL INDICES OF BROILER STARTER FED DIETS SUPPLEMENT WITH DRIED MANGO (MANGIFERA INDICA) LEAF POWDER DMLP
Abstract
The study evaluated the performance and gut morphological indices of broiler starter chickens fed diets supplemented with dried mango (Mangifera indica) leaf powder (DMLP). The research aimed to determine the effects of DMLP on growth performance, feed efficiency, and intestinal histomorphology of broiler starters. A total of 150 day-old broiler chicks were randomly assigned to five dietary treatments with three replicates per treatment in a completely randomized design (CRD). The treatments consisted of a control diet (0% DMLP) and diets containing 0.5%, 1.0%, 1.5%, and 2.0% DMLP. Data were collected on feed intake, weight gain, feed conversion ratio (FCR), and mortality, while gut morphological parameters such as villus height, crypt depth, and villus height-to-crypt depth ratio were examined.
Results showed that inclusion of DMLP significantly (p < 0.05) improved weight gain and feed conversion ratio at moderate inclusion levels (1.0–1.5%) compared to the control. Birds fed 1.5% DMLP recorded the highest average weight gain and best FCR, while higher inclusion (2.0%) slightly reduced performance. Gut morphology analysis revealed that DMLP supplementation enhanced villus height and surface area, indicating improved nutrient absorption. However, excessive inclusion led to reduced crypt depth, suggesting potential anti-nutritional effects at higher concentrations.
The study concludes that supplementing broiler starter diets with up to 1.5% dried mango leaf powder optimizes growth performance and promotes healthy intestinal development. It is recommended that mango leaf powder be utilized as a natural growth promoter and feed additive in poultry nutrition due to its bioactive compounds and cost-effectiveness.
Keywords: Broiler starter, Mangifera indica, dried mango leaf powder, growth performance, gut morphology, poultry nutrition.
Table of Contents
Title Page
Abstract
Table of Contents
List of Tables
List of Figures
List of Appendices
CHAPTER ONE: INTRODUCTION
1.1 Background of the Study
1.2 Statement of the Problem
1.3 Objectives of the Study
1.3.1 General Objective
1.3.2 Specific Objectives
1.4 Research Hypotheses
1.5 Justification of the Study
1.6 Significance of the Study
1.7 Scope and Limitations of the Study
1.8 Definition of Key Terms
CHAPTER TWO: LITERATURE REVIEW
2.1 Overview of Broiler Production in Nigeria
2.2 Importance of Feed Additives in Poultry Nutrition
2.3 Mango (Mangifera indica) Leaf: Composition and Nutritional Value
2.4 Phytochemical Properties and Bioactive Compounds of Mango Leaf
2.5 Effects of Plant-Based Feed Additives on Broiler Performance
2.6 Gut Morphology and its Role in Nutrient Absorption
2.7 Previous Studies on Mangifera indica Leaf Powder in Animal Diets
2.8 Summary of Literature Review
CHAPTER THREE: MATERIALS AND METHODS
3.1 Experimental Site and Duration
3.2 Experimental Birds and Management
3.3 Experimental Design and Treatments
3.4 Composition of Experimental Diets
3.5 Data Collection
3.5.1 Growth Performance Parameters
3.5.2 Gut Morphological Studies
3.6 Laboratory Analysis
3.7 Statistical Analysis
3.8 Ethical Considerations
CHAPTER FOUR: RESULTS AND DISCUSSION
4.1 Growth Performance of Broiler Starters Fed DMLP Diets
4.2 Feed Intake and Feed Conversion Ratio
4.3 Mortality Rate and Health Observations
4.4 Gut Morphological Indices (Villus Height, Crypt Depth, Villus/Crypt Ratio)
4.5 Effect of DMLP Levels on Intestinal Development
4.6 Discussion of Findings
4.6.1 Performance Parameters
4.6.2 Morphological Parameters
4.6.3 Comparison with Previous Studies
CHAPTER FIVE: SUMMARY, CONCLUSION AND RECOMMENDATIONS
5.1 Summary of Findings
5.2 Conclusion
5.3 Recommendations
5.4 Suggestions for Further Studies
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