MILK INDEXES

INTRODUCTION

 

Since December 2020, dairy producers can select on two genetic indexes.

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PROD INDEX (milk production)

 

 

Index distribution traits to improve milk production without considering milk components performance.

 

  • For dairy producers who do not analyse the milk components ot their ewes on test day record.
  • Aim to increase the milk production.

The index integrates two traits. The EBV milk yield for the first parity weighs for 1/3 while the EBV milk yield for later parity represents 2/3.

COMP INDEX (milk components)

 

 

Index distribution traits to improve milk fat and protein yield  per lactation.

 

  • For dairy producers who do milk components analysis.
  • Aim to increase the milk fat and proteins.

This index integrates four traits. The fat and the protein weigh both half of the index. For each component, EBV for the first parity weighs for 1/6 of the index while EBV for later parity represents 1/3.