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 12.13
Milk (kg) -243.00 -0.014 3.40
Fat (kg) -8.76 -0.375 3.28
Prot (kg) -12.35 -0.441 5.45
Fertility Sub Index -8.28
Calving Interval (days) 4.58 -1.459 -6.68
Survival (%) -1.43 1.117 -1.60
Calving Sub Index -0.16
Gestation Length (days) 0.17 -0.919 -0.16
Beef Sub Index -1.15
Carcass Weight (kg) 0.60 -0.528 -0.32
Age of Slaughter (days) 1.93 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 1.66
Live WT (kg) -5.40 -0.307 1.66
Total Carbon Sub Index 4.20

* Based on an €80/tonne carbon price