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 4.49
Milk (kg) -105.00 -0.014 1.47
Fat (kg) -4.64 -0.375 1.74
Prot (kg) -2.90 -0.441 1.28
Fertility Sub Index 2.35
Calving Interval (days) -1.07 -1.459 1.56
Survival (%) 0.71 1.117 0.79
Calving Sub Index -2.14
Gestation Length (days) 2.33 -0.919 -2.14
Beef Sub Index -6.90
Carcass Weight (kg) 13.60 -0.528 -7.17
Age of Slaughter (days) -0.64 -0.432 0.28
Maintenance Sub Index Maint. Sub Index -7.94
Live WT (kg) 25.90 -0.307 -7.94
Total Carbon Sub Index -10.13

* Based on an €80/tonne carbon price