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 6.76
Milk (kg) -140.00 -0.014 1.96
Fat (kg) -4.16 -0.375 1.56
Prot (kg) -7.35 -0.441 3.24
Fertility Sub Index 7.66
Calving Interval (days) -5.14 -1.459 7.50
Survival (%) 0.14 1.117 0.16
Calving Sub Index -0.48
Gestation Length (days) 0.52 -0.919 -0.48
Beef Sub Index 1.27
Carcass Weight (kg) -3.50 -0.528 1.85
Age of Slaughter (days) 1.33 -0.432 -0.57
Maintenance Sub Index Maint. Sub Index 2.12
Live WT (kg) -6.90 -0.307 2.12
Total Carbon Sub Index 17.33

* Based on an €80/tonne carbon price