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 4.05
Milk (kg) -85.00 -0.014 1.19
Fat (kg) -3.45 -0.375 1.29
Prot (kg) -3.56 -0.441 1.57
Fertility Sub Index 1.18
Calving Interval (days) -0.48 -1.459 0.70
Survival (%) 0.43 1.117 0.48
Calving Sub Index 2.84
Gestation Length (days) -3.09 -0.919 2.84
Beef Sub Index 2.74
Carcass Weight (kg) -2.80 -0.528 1.48
Age of Slaughter (days) -2.93 -0.432 1.26
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 17.32

* Based on an €80/tonne carbon price