3.3

Estimation of dry matter intake for various breeds/ age categories of dairy cattle in the tropics

Level 2 - Lead Farmers

Introduction

1. You will learn about...

2. Background

3. Dry matter intake (DMI)

4.Components of Dry matter

5. Relation between rumen fill and DMI

6. Dry matter (DM) contents fed to cows

7. Calculating Dry Matter Intake

8. Dry Matter content in different feeds & forage

9. Example of DMI Calculation

10. Estimate dairy DMI of feed (kg)

11. Estimate dairy DMI of feed (kg) Cont'd...

12. Factors affecting Dry matter intake in cows

13. Factors affecting Dry matter intake of the cows Cont'd...

14. Different DM requirements for various breeds of cows

15. Different DM requirements for various breeds of cows Cont'd...

16. How Neutral detergent fibre (NDF) affects DMI

17. Using Neutral Detergent Fibre (NDF) to predict DMI

18. Using NDF to predict DMI Cont'd...

19. Age factor in estimation of DMI

20. Age factor in estimation of DMI Cont'd...

21. Stage of lactation and level of production in DMI

22. Health of the cow in determining DMI

23. Feed & farm management factors affecting DMI

24. Feed & farm management factors affecting DMI Cont'd...

25. Other environmental factors affecting DMI

26. Water intake affecting DMI

27. Importance of meeting the cow's DMI requirement

28. Take home messages: Summary