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 7.28
Milk (kg) -176.00 -0.014 2.46
Fat (kg) -5.57 -0.375 2.09
Prot (kg) -6.18 -0.441 2.73
Fertility Sub Index -1.33
Calving Interval (days) 1.07 -1.459 -1.56
Survival (%) 0.21 1.117 0.23
Calving Sub Index 0.75
Gestation Length (days) -0.82 -0.919 0.75
Beef Sub Index -1.46
Carcass Weight (kg) -4.30 -0.528 2.27
Age of Slaughter (days) 8.64 -0.432 -3.73
Maintenance Sub Index Maint. Sub Index 7.45
Live WT (kg) -24.30 -0.307 7.45
Total Carbon Sub Index 12.69

* Based on an €80/tonne carbon price