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 2.88
Milk (kg) -72.00 -0.014 1.01
Fat (kg) -2.05 -0.375 0.77
Prot (kg) -2.51 -0.441 1.11
Fertility Sub Index -1.43
Calving Interval (days) 0.62 -1.459 -0.90
Survival (%) -0.47 1.117 -0.53
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.01
Carcass Weight (kg) -1.00 -0.528 0.53
Age of Slaughter (days) 1.21 -0.432 -0.52
Maintenance Sub Index Maint. Sub Index 1.20
Live WT (kg) -3.90 -0.307 1.20
Total Carbon Sub Index 2.18

* Based on an €80/tonne carbon price