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 5.61
Milk (kg) -114.00 -0.014 1.60
Fat (kg) -4.92 -0.375 1.84
Prot (kg) -4.91 -0.441 2.17
Fertility Sub Index 1.73
Calving Interval (days) -0.69 -1.459 1.01
Survival (%) 0.65 1.117 0.73
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 2.31
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) -1.20 -0.432 0.52
Maintenance Sub Index Maint. Sub Index 6.41
Live WT (kg) -20.90 -0.307 6.41
Total Carbon Sub Index 19.75

* Based on an €80/tonne carbon price