THE EFFECT OF DIFFERENT ENZYME SUBSTRATES ON THE PERFORMANCE OF BROILERS FED PEELED CASSAVA ROOT MEAL (PCRM) BASED DIET | Blazingprojects Postgraduate Thesis
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THE EFFECT OF DIFFERENT ENZYME SUBSTRATES ON THE PERFORMANCE OF BROILERS FED PEELED CASSAVA ROOT MEAL (PCRM) BASED DIET

 

Table Of Contents


Chapter ONE

INTRODUCTION

  • 1.1Introduction
  • 1.2Background of Study
  • 1.3Problem Statement
  • 1.4Objective of Study
  • 1.5Limitation of Study
  • 1.6Scope of Study
  • 1.7Significance of Study
  • 1.8Structure of the Research
  • 1.9Definition of Terms

Chapter TWO

LITERATURE REVIEW

  • 2.1Enzyme Substrates and their Role in Broiler Nutrition
  • 2.2Performance Evaluation in Broilers
  • 2.3Effects of Enzyme Substrates on Broiler Growth
  • 2.4Enzyme Substrates and Nutrient Utilization
  • 2.5Enzyme Substrates and Digestibility in Broilers
  • 2.6Enzyme Substrates and Gut Health in Broilers
  • 2.7Enzyme Substrates and Feed Conversion Ratio
  • 2.8Enzyme Substrates and Immunity in Broilers
  • 2.9Enzyme Substrates and Antioxidant Capacity
  • 2.10Enzyme Substrates and Broiler Meat Quality

Chapter THREE

RESEARCH METHODOLOGY

  • 3.1Research Methodology Overview
  • 3.2Selection of Experimental Design
  • 3.3Broiler Management Practices
  • 3.4Enzyme Substrate Application Techniques
  • 3.5Data Collection Methods
  • 3.6Statistical Analysis Procedures
  • 3.7Ethical Considerations
  • 3.8Sampling Techniques and Sample Size Determination

Chapter FOUR

DATA PRESENTATION AND ANALYSIS

  • 4.1Analysis of Broiler Performance Data
  • 4.2Evaluation of Nutrient Utilization Parameters
  • 4.3Assessment of Digestibility in Broilers
  • 4.4Examination of Gut Health Indicators
  • 4.5Interpretation of Feed Conversion Ratios
  • 4.6Investigation of Immune Response in Broilers
  • 4.7Measurement of Antioxidant Capacity in Broilers
  • 4.8Examination of Broiler Meat Quality

Chapter FIVE

SUMMARY, CONCLUSION AND RECOMMENDATIONS

  • 5.1Conclusion and Summary of Findings
  • 5.2Implications of the Research
  • 5.3Recommendations for Future Studies
  • 5.4Practical Applications in Broiler Nutrition
  • 5.5Contribution to the Scientific Community

Thesis Abstract

An experiment was conducted to investigate the effects of using two different enzyme substrates on the performance of broilers fed peeled cassava root meal (PCRM), in a 3 x 3 factorial arrangement in a completely randomised design experiment. One hundred and eighty-nine broiler chicks aged 14 days were assigned to nine experimental diets where PCRM replaced maize at 0, 50 and 75 percent levels. The diets were formulated to be roughly isonitrogenous and isoenergetic containing starter (15-36 days; 24% CP, 2800 Kcal/kg-1 ME) and finisher (37-58 days; 21% CP, 2800 Kcal/kg-1 ME) and 200ppm of enzyme (Nutrase xyla and Roxazyme G) were added to the diets. Results indicated that Nutrase xyla and Roxazyme G supplementation increased ADFI in the starter and finisher phases at all levels of PCRM inclusion (P<0.05). The effect of nutrase xyla and roxazyme G supplementation on FCR was positvely significant in the finisher phase (P<0.05). Roxazyme G spupplemented diet at 50% PCRM had the best least cost value in terms of feed cost per kg weight gain. There was an increase in dressed weight percentage in nutrase xyla and roxazyme G supplemented diets at 50% PCRM (P<0.05). Nutrase xyla supplemented diet had increase significant effect (P<0.05) on dry matter and metabolizable energy retention. Nutrase xyla and roxazyme G supplemented diets had no significant effect (P>0.05) on edible organs (heart and gizzard). It is concluded that enzyme supplementation on PCRM-based diet had tremendous beneficial effect on production parameters.

Thesis Overview

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