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 24.07
Milk (kg) -421.00 -0.014 5.89
Fat (kg) -24.87 -0.375 9.32
Prot (kg) -20.07 -0.441 8.86
Fertility Sub Index -0.04
Calving Interval (days) 0.24 -1.459 -0.35
Survival (%) 0.28 1.117 0.31
Calving Sub Index -1.49
Gestation Length (days) 1.62 -0.919 -1.49
Beef Sub Index -2.09
Carcass Weight (kg) 1.10 -0.528 -0.58
Age of Slaughter (days) 3.50 -0.432 -1.51
Maintenance Sub Index Maint. Sub Index 2.18
Live WT (kg) -7.10 -0.307 2.18
Total Carbon Sub Index 22.63

* Based on an €80/tonne carbon price