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 5.16
Milk (kg) -136.00 -0.014 1.90
Fat (kg) -3.15 -0.375 1.18
Prot (kg) -4.70 -0.441 2.07
Fertility Sub Index 3.02
Calving Interval (days) -1.41 -1.459 2.06
Survival (%) 0.86 1.117 0.96
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.31
Carcass Weight (kg) -3.40 -0.528 1.79
Age of Slaughter (days) 1.11 -0.432 -0.48
Maintenance Sub Index Maint. Sub Index 5.73
Live WT (kg) -18.70 -0.307 5.73
Total Carbon Sub Index 18.91

* Based on an €80/tonne carbon price