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 4.31
Milk (kg) -40.00 -0.014 0.56
Fat (kg) -9.72 -0.375 3.64
Prot (kg) -0.25 -0.441 0.11
Fertility Sub Index 7.72
Calving Interval (days) -3.07 -1.459 4.48
Survival (%) 2.90 1.117 3.24
Calving Sub Index 3.85
Gestation Length (days) -4.19 -0.919 3.85
Beef Sub Index 0.34
Carcass Weight (kg) -7.40 -0.528 3.90
Age of Slaughter (days) 8.25 -0.432 -3.56
Maintenance Sub Index Maint. Sub Index 1.84
Live WT (kg) -6.00 -0.307 1.84
Total Carbon Sub Index 18.06

* Based on an €80/tonne carbon price