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 12.15
Milk (kg) -226.00 -0.014 3.16
Fat (kg) -13.99 -0.375 5.24
Prot (kg) -8.49 -0.441 3.75
Fertility Sub Index 1.16
Calving Interval (days) 0.14 -1.459 -0.20
Survival (%) 1.22 1.117 1.36
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.25
Carcass Weight (kg) -4.40 -0.528 2.32
Age of Slaughter (days) 2.48 -0.432 -1.07
Maintenance Sub Index Maint. Sub Index 4.29
Live WT (kg) -14.00 -0.307 4.29
Total Carbon Sub Index 22.55

* Based on an €80/tonne carbon price