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 2.37
Milk (kg) -97.00 -0.014 1.36
Fat (kg) -0.18 -0.375 0.07
Prot (kg) -2.13 -0.441 0.94
Fertility Sub Index -0.05
Calving Interval (days) -0.03 -1.459 0.04
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.64
Gestation Length (days) 0.70 -0.919 -0.64
Beef Sub Index 0.38
Carcass Weight (kg) -2.55 -0.528 1.35
Age of Slaughter (days) 2.23 -0.432 -0.96
Maintenance Sub Index Maint. Sub Index 2.16
Live WT (kg) -7.05 -0.307 2.16
Total Carbon Sub Index 4.22

* Based on an €80/tonne carbon price