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 1.51
Milk (kg) -50.00 -0.014 0.70
Fat (kg) 1.11 -0.375 -0.42
Prot (kg) -2.78 -0.441 1.23
Fertility Sub Index 0.62
Calving Interval (days) -0.45 -1.459 0.66
Survival (%) -0.03 1.117 -0.03
Calving Sub Index -0.47
Gestation Length (days) 0.51 -0.919 -0.47
Beef Sub Index 0.16
Carcass Weight (kg) -1.70 -0.528 0.90
Age of Slaughter (days) 1.71 -0.432 -0.74
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 4.00

* Based on an €80/tonne carbon price