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 4.80
Milk (kg) -138.00 -0.014 1.93
Fat (kg) -2.53 -0.375 0.95
Prot (kg) -4.35 -0.441 1.92
Fertility Sub Index 1.79
Calving Interval (days) -0.85 -1.459 1.24
Survival (%) 0.49 1.117 0.55
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.21
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) -2.42 -0.432 1.04
Maintenance Sub Index Maint. Sub Index 6.13
Live WT (kg) -20.00 -0.307 6.13
Total Carbon Sub Index 17.76

* Based on an €80/tonne carbon price