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 6.89
Milk (kg) -147.00 -0.014 2.06
Fat (kg) -5.98 -0.375 2.24
Prot (kg) -5.87 -0.441 2.59
Fertility Sub Index 2.55
Calving Interval (days) -1.01 -1.459 1.47
Survival (%) 0.96 1.117 1.07
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.65
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) 1.92 -0.432 -0.83
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 18.35

* Based on an €80/tonne carbon price