Title page – – – – – – – – – i Certification – – – – – – – – – ii Dedication – – – – – – – – – iii Acknowledgement – – – – – – – – iv Abstract – – – – – – – – – vi Table of Contents – – – – – – – – vii List of Tables – – – – – – – – – x

Chapter ONE

: INTRODUCTION 1.1 Background of the Study – – – – – – – 1 1.2 Statement of Problem – – – – – – – 2 1.3 Objectives of the Study – – – – – – – 3 1.4 Justification of the Study – – – – – – – 3

Chapter TWO

: LITERATURE REVIEW 2.1 General Description of Sheep – – – – – – 4 2.2 Taxonomy of Sheep – – – – – – – 5 2.3 Sheep Production Statistics – – – – – – 5 2.4 Characteristics/Importance of Sheep – – – – – 7 2.4.1 Small Size – – – – – – – – 7 2.4.2 Reproductive efficiency – – – – – – – 8 2.4.3 Feeding behavior – – – – – – – 8 2.4.4 Feed Utilization Efficiency – – – – – – 9 2.4.5 Fitness – – – – – – – – – 10 2.4.6 Socio-economic – – – – – – – – 10 2.5 Nutrient Requirements of Sheep – – – – – – 11 2.6 Factors Affecting Nutrient Requirements- – – – 14 2.7 Constraints and Possible Remedies to Sheep Production- – – 16 2.7.1 Major constraints to ruminant production (Sheep Production) – – 16 2.7.2 Remedies to Sheep production constraints – – – – 17 2.8 Digestibility- – – – – – – – – 17 2.8.1 Digestibility of mixed forages with BSG – – – – 18 2.8.2 Digestibility of grasses mixed with Gliricidia sepium – – -19 2.9 Estimating Digestibility of Fibre – – – – – – 19 2.9.1 Factors affecting fibre digestibility – – – – – – 20 2.10 Forages – – – – – – – – – 22 2.10.1 Grass forage – – – – – – – – 23 2.10.1.1 Guinea grass – – – – – – – – 23 2.10.1.2 Nutritional qualities of guinea grass- – – – – 24 2.10.2 Forage legumes – – – – – – – 25 2.10.2.1 Gliricidia sepium – – – – – – -27 2.11 Brewer’ Spent Grains (BSG) – – – – – – 28 2.11.1 Future Perspective of Brewers Spent Grains – – – – 29 2.11.2 Chemical Composition of Brewers’ Spent Grain – – – 29

Chapter THREE

: MATERIALS AND METHODS 3.1 Experimental site – – – – – – – – 32 3.2 Experimental animals – – – – – – – 32 3.3 Experimental treatments – – – – – – – 32 3.4 Data collection – – – – – – – – 33 3.5 Experimental design – – – – – – – 34

Chapter FOUR

: RESULTS AND DISCUSSION 4.1 Proximate Composition (% DM) of Forages and BSG – – 35 4.2 Proximate Composition (% DM) of Faeces – – – – 37 4.3Voluntary and Nutrient Intake of WAD sheep Fed P. maximum, Gliricidia and BSG- – – – – – 38 4.4 Digestibility of WAD Rams fed P. maximum, Gliricidia sepium and BSG – – – – – – – 41 4.5Nitrogen Balance of WAD rams fed P. maximum, Gliricidia sepium and Brewers’ Spent Grains. – – – 42

Chapter FIVE

: CONCLUSION AND RECOMMENDATION 5.1 Conclusion – – – – – – – – 44 5.3 Recommendation – – – – – – – 44 References Appendix LIST OF TABLES Table 1 Experimental Layout – – – – – 34 Table 2Proximate Composition (% DM) of Forages and BSG- 36 Table 3 Proximate Composition (% DM) of Faeces – – 38 Table 4Voluntary and Nutrient Intake of WAD Sheep Fed P. maximum, Gliricidia and BSG – – – 39 Table 5Digestibility of WAD Rams Fed P. maximum, Gliricidia sepium and BSG – – – – 42 Table 6 Nitrogen Balance of WAD Rams fed P. maximum, Gliricidia sepium and Brewers’ Spent Grains – – – – – – 43