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 1.00
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -0.49 -0.375 0.18
Prot (kg) -1.29 -0.441 0.57
Fertility Sub Index -0.03
Calving Interval (days) -0.04 -1.459 0.06
Survival (%) -0.08 1.117 -0.09
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.20
Carcass Weight (kg) -2.00 -0.528 1.06
Age of Slaughter (days) 1.99 -0.432 -0.86
Maintenance Sub Index Maint. Sub Index 0.18
Live WT (kg) -0.60 -0.307 0.18
Total Carbon Sub Index 0.88

* Based on an €80/tonne carbon price