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 4.31
Milk (kg) -57.00 -0.014 0.80
Fat (kg) -3.85 -0.375 1.44
Prot (kg) -4.69 -0.441 2.07
Fertility Sub Index -0.58
Calving Interval (days) 0.49 -1.459 -0.71
Survival (%) 0.12 1.117 0.13
Calving Sub Index 1.74
Gestation Length (days) -1.89 -0.919 1.74
Beef Sub Index 5.00
Carcass Weight (kg) -10.90 -0.528 5.75
Age of Slaughter (days) 1.74 -0.432 -0.75
Maintenance Sub Index Maint. Sub Index 6.04
Live WT (kg) -19.70 -0.307 6.04
Total Carbon Sub Index 16.50

* Based on an €80/tonne carbon price