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 10.25
Milk (kg) -204.00 -0.014 2.86
Fat (kg) -9.62 -0.375 3.60
Prot (kg) -8.60 -0.441 3.80
Fertility Sub Index 2.47
Calving Interval (days) -1.25 -1.459 1.82
Survival (%) 0.58 1.117 0.65
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.23
Carcass Weight (kg) -3.10 -0.528 1.64
Age of Slaughter (days) 3.25 -0.432 -1.40
Maintenance Sub Index Maint. Sub Index 4.57
Live WT (kg) -14.90 -0.307 4.57
Total Carbon Sub Index 21.22

* Based on an €80/tonne carbon price