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A BRIEF INTRODUCTION TO THE WUFFDA PROGRAM

A BRIEF INTRODUCTION TO THE WUFFDA PROGRAM. LECTURE AND TURORIAL FOR CHAPTER 25. FEED FORMULATION : MULTIBLENDING. POULTRY NUTRITION FUNDAMENTALS. Chapter 25. Section I. INTRODUCTION. FORMULATION PROBLEM: HOW TO USE A LIMITED AMOUNT OF ONE INGREDIENT?.

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A BRIEF INTRODUCTION TO THE WUFFDA PROGRAM

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  1. A BRIEF INTRODUCTION TO THEWUFFDAPROGRAM LECTURE AND TURORIAL FOR CHAPTER 25 FEED FORMULATION : MULTIBLENDING POULTRY NUTRITION FUNDAMENTALS

  2. Chapter 25 Section I. INTRODUCTION

  3. FORMULATION PROBLEM: HOW TO USE A LIMITED AMOUNT OF ONE INGREDIENT? • FORMULATE ALL POSSIBLE DIETS WITH THE INGREDIENT AND COMPARE COSTS? • MULTI-BLEND, ONE PROBLEM WITH ALL THE FEEDS, SOLVING FOR THE LEAST-COST SOLUTION?

  4. Chapter 25 Section I I. CHOOSE THE FEEDS AND COSTS TO WORK WITH

  5. CHOOSE TWO DIETS, PREFERABLY ONES NOT SIMILAR IN PROTEIN AND ENEGRY X X

  6. CHOOSE A COST SERIES TO USE X

  7. ENTER THE INGREDIENT COMPOSITION FOR YOUR FEEDS

  8. ENTER THE NUTRIENT MINIMUMS AND MAXIMUMS FOR THE FEED

  9. SOLVE THE PROBLEM

  10. CHOOSE THE SENSITIVITY REPORT BEFORE CHOOSING “OK”

  11. CALCULATE THE SHADOW PRICE OF POULTRY MEAL AS IN CHAPTER 24 =F10-H10

  12. PRINT THE “FEED SPEC” SPREADSHEET & WRITE DOWN THE SHADOW PRICE OF POULTRY MEAL

  13. ENTER THE RESULTS IN THE C25 GRAPHING.XLS SPREADSHEET

  14. CONTINUE THE PARAMETRIC ANALYSIS AS IN CHAPTER 24, ENTERING DATA IN THE GRAPHING SPREADSHEET AS YOU GO

  15. REPEAT THE ANALYSIS FOR THE OTHER FEED, WHEN FINISHED, YOUR CHART SHOULD BE SIMILAR TO THIS. PRINT IT.

  16. Chapter 25 Section III. MULTI-BLENDING: ONE INGRERDIENT INTO TWO FEEDS

  17. FOR THE MULTI-BLENDING PROBLEM, START WITH THE INGREDIENT MATRIX FROM ONE OF YOUR FEEDS & ADD ROWS AND COLUMNS FOR THE OTHER FEED BROILER FEED LAYER FEED

  18. USE TABLE 25-5 AS A GUIDE BROILER FEED LAYER FEED

  19. GIVE DIFFERENT SUBSCRIPTS FOR EACH DIET. IN THIS EXAMPLE (B) WAS USED FOR THE BROILER DIET AND (L) FOR THE LAYER DIET

  20. IN THE ‘WEIGHT COLUMN’ (FOR THE ENTIRE MIXTURE) ENTER ‘0.5’ FOR EACH NUTRIENT

  21. THE VALUE FOR WEIGHT (A) SHOULD BE ‘1’IN FEED (A) INGREDIENTS AND WEIGHT (B) SHOULD BE ‘1’IN FEED (B) INGREDIENTS

  22. ADD A COLUMN NAMED ‘POULTRY MEAL ACTIVITY’ WITH VALUES OF ‘1’ FOR THE POULTRY MEALS, BUT ‘0’ FOR THE OTHER INGREDIENTS

  23. ADD THE NUTRIENT RESTRICIONS FOR EACH FEED. ENTERING THESE LIMITS FOR POULTRY MEAL ACTIVITY FIXES IT AT A TOTAL OF 5% IN THE FEEDS

  24. SOLVE THE PROBLEM & PRINT YOUR RESULTS

  25. ALL THE POULTRY MEAL SHOULD APPEAR IN THE FEEDS, AND ADD UP TO 5%

  26. ADD CALCULATIONS TO TOTAL THE COST OF EACH FEED IN ADDITION TO THE TOTAL FORMULA COST. =SUMPRODUCT(C8:C14,E8:E14)/100 =SUMPRODUCT(C15:C21,E15:E21)/100

  27. NEXT, FORCE 5% POULTRY MEAL INTO THE FEED IT WAS NOT USED IN BEFORE, AND RESOLVE THE PROBLEM.

  28. SOLVE THE PROBLEM • PRINT YOUR RESULTS • WRITE A SHORT EXPLAINATION OF YOUR RESULTS • ANSWER THE QUESTIONS IN THE LABORATORY EXERCISES SECTION

  29. FEED FORMULATION : PARAMETRIC PROGRAMMING • WRITE A SHORT EXPLAINATION OF YOUR RESULTS AND TURN IT IN WITH YOUR PRINT OUTS. • ANSWER THE QUESTIONS IN THE LABORATORY EXERCISES SECTION.

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