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 9.07
Milk (kg) -143.00 -0.014 2.00
Fat (kg) -10.21 -0.375 3.82
Prot (kg) -7.36 -0.441 3.25
Fertility Sub Index -0.07
Calving Interval (days) 0.31 -1.459 -0.45
Survival (%) 0.34 1.117 0.38
Calving Sub Index 3.70
Gestation Length (days) -4.02 -0.919 3.70
Beef Sub Index 1.20
Carcass Weight (kg) -2.70 -0.528 1.42
Age of Slaughter (days) 0.51 -0.432 -0.22
Maintenance Sub Index Maint. Sub Index 4.66
Live WT (kg) -15.20 -0.307 4.66
Total Carbon Sub Index 18.55

* Based on an €80/tonne carbon price