Revised Meat Reporting

Monday 28th January 2019

Revised Meat Reporting

SIL Reminder: Revised Meat reporting and inclusion of Meat processor information will be implemented from Friday 1st February.

The revised Meat module replaces the current Meat module in the NZGE and bureau evaluations.

Revised Meat reporting

  1. Carcass Weight breeding value in the Growth sub-index will reflect growth information, similar to the previous CW BV.
  2. In the Meat sub-index, a new BV – Carcass Weight Yield (CWY) – will reflect the change in the carcass weight prediction when live weight and all available meat information are used to predict carcass weight.

These changes restore the balance between the sub-indexes, enabling breeders to assess merit for growth and meat using the sub-index approach.

Inclusion of processor meat data

Processor information, often available from progeny test flocks, will be included in the estimation of meat merit when available.

For example;

Viascan - another processor measurement has been included in the evaluation since 2006.

There is a large amount of carcass weight information from the hub and other progeny test flocks in SIL. Direct measures of carcass weight increass accuracy compared to indirect predictors such as ultra-sound and will result in significant change for animals with progeny records and their close relatives.


These changes will be implemented during the SIL maintenance day (30/31st Jan).
NZGE runs from 1st February will have revised reporting of meat merit and include processor information. Ramfinder will be updated from 8th February.

More detailed information

  1. Video: Dr Neville Jopson (AbacusBio) explains the Meat module revisions.
    Watch video
  2. SIL Technical Note: “Inclusion of meat processor information in the Meat module” covers how carcass weights and measurements are now included in the estimation of Meat merit. Download
  3. SIL Technical Note: “Revised Meat reporting” outlines how the new Meat module (introduced in September 2018) has been revised to separate growth and meat data.

If you have questions in relation to any of the above information, please contact either your bureau or email