Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
May 2025 Milk Sub Index 0.08
Milk (kg) 18.00 -0.014 -0.25
Fat (kg) -0.23 -0.375 0.09
Prot (kg) -0.56 -0.441 0.25
Fertility Sub Index -0.08
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.11 1.117 -0.12
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index -0.04
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 2.17 -0.432 -0.94
Maintenance Sub Index Maint. Sub Index 0.28
Live WT (kg) -0.90 -0.307 0.28
Total Carbon Sub Index -0.23

* Based on an €80/tonne carbon price