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 2.21
Milk (kg) -18.00 -0.014 0.25
Fat (kg) -3.90 -0.375 1.46
Prot (kg) -1.13 -0.441 0.50
Fertility Sub Index 0.53
Calving Interval (days) -0.15 -1.459 0.22
Survival (%) 0.28 1.117 0.31
Calving Sub Index -1.45
Gestation Length (days) 1.58 -0.919 -1.45
Beef Sub Index -1.27
Carcass Weight (kg) -2.30 -0.528 1.21
Age of Slaughter (days) 5.76 -0.432 -2.49
Maintenance Sub Index Maint. Sub Index 6.50
Live WT (kg) -21.20 -0.307 6.50
Total Carbon Sub Index 6.52

* Based on an €80/tonne carbon price