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 3.45
Milk (kg) -60.00 -0.014 0.84
Fat (kg) -5.70 -0.375 2.13
Prot (kg) -1.08 -0.441 0.48
Fertility Sub Index -1.57
Calving Interval (days) 0.66 -1.459 -0.96
Survival (%) -0.54 1.117 -0.60
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.27
Carcass Weight (kg) -4.90 -0.528 2.58
Age of Slaughter (days) 3.04 -0.432 -1.31
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 12.99

* Based on an €80/tonne carbon price