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 5.63
Milk (kg) -121.00 -0.014 1.69
Fat (kg) -4.74 -0.375 1.78
Prot (kg) -4.90 -0.441 2.16
Fertility Sub Index 2.35
Calving Interval (days) -0.80 -1.459 1.17
Survival (%) 1.06 1.117 1.18
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 0.01
Carcass Weight (kg) -2.20 -0.528 1.16
Age of Slaughter (days) 2.66 -0.432 -1.15
Maintenance Sub Index Maint. Sub Index 4.23
Live WT (kg) -13.80 -0.307 4.23
Total Carbon Sub Index 15.92

* Based on an €80/tonne carbon price