Carbon Sub Index breakdown

Date of Evaluation Date of Eval. Index Trait PTA *Carbon Cost (€) Contribution Contrib.
PTA * Carbon Cost
Sep 2025 Milk Sub Index 4.02
Milk (kg) -131.00 -0.014 1.83
Fat (kg) -2.10 -0.375 0.79
Prot (kg) -3.17 -0.441 1.40
Fertility Sub Index -12.50
Calving Interval (days) 6.38 -1.459 -9.31
Survival (%) -2.86 1.117 -3.20
Calving Sub Index 1.13
Gestation Length (days) -1.23 -0.919 1.13
Beef Sub Index 1.14
Carcass Weight (kg) -5.00 -0.528 2.64
Age of Slaughter (days) 3.47 -0.432 -1.50
Maintenance Sub Index Maint. Sub Index 3.43
Live WT (kg) -11.20 -0.307 3.43
Total Carbon Sub Index -2.78

* Based on an €80/tonne carbon price