May, 2016 | NAV - Nordic Cattle Genetic Evaluation

RDC has adjusted weights in NTM

01/09/202004/05/2016 by Terhi Vahlsten

At the same time as including youngstock survival in NTM, RDC is changing the weights for some other indices in NTM. Weight on yield and udder conformation is increased slightly. This is done to secure that genetic progress for these traits are maintained when introducing youngstock survival in NTM.

The change has only limited effect on ranking of bulls.

All the current weights for different sub-indices in NTM and the correlations between NTM and sub-indices can be found on NAV web page (www.nordicebv.info) under NTM and breeding values/NTM.

NAV evaluation

01/09/202003/05/2016 by Terhi Vahlsten

This year’s second NAV routine evaluation took place as scheduled. The NAV Bull Search has been updated with the new EBV’s and GEBV’s. In this evaluation youngstock survival was introduced to NTM for all breeds. This had only minor effects of ranking of bulls for Holstein and Jersey. For RDC there were more effects because the weights of yield and udder were changed a bit as well.

The updated weights of NTM and correlations between NTM and sub-indices can be found under NTM and breeding values/NTM.